IOS 开发-- 常用-- 核心代码

时间:2021-10-08 14:44:44

网络请求 (包含block 和 delegate)

数据持久化技术

手势处理’

XML数据解析

多线程实现

核心动画编程

地图定位功能

CoreData数据持久化技术

本地通知和推送通知

常用宏定义

网络封装

#import <Foundation/Foundation.h>

@class NetWorkRequest;

//  网络请求成功block

typedef void(^NetworkRequestSuccessedHandler)(void);

//  网络请求失败block

typedef void(^NetworkRequestFailedHandler)(NSError *error);

//  网络请求进度block

typedef void(^NetworkRequestProgressHandler)(NSInteger progress);

@protocol NetWorkRequestDelegate <NSObject>

@optional

//network请求成功

- (void)netWorkRequest:(NetWorkRequest *)request SuccessfulReceiveData:(NSData *)data;

//network请求失败

- (void)netWorkRequest:(NetWorkRequest *)request didFailed:(NSError *)error;

//获取network下载进度

- (void)netWorkRequest:(NetWorkRequest *)request withProgress:(CGFloat)progress;

@end

@interface NetWorkRequest : NSObject<NSURLConnectionDataDelegate>

@property (nonatomic,assign) id<NetWorkRequestDelegate> delegate;

//声明两个方法,对外提供接口,分别实现GET请求方式和POST请求方式

//实现GET请求

- (void)requestForGETWithUrl:(NSString *)urlString;

//实现POST请求

- (void)requestForPOSTWithUrl:(NSString *)urlString postData:(NSData *)postData;

//取消网络请求

- (void)cancelRequest;

//  使用block实现网络请求结果回调

- (void)networdRquestSuccessedHandler:(NetworkRequestSuccessedHandler)successedHandler failedHandler:(NetworkRequestFailedHandler)failedHandler progressHandler:(NetworkRequestProgressHandler)progressHandler;

@end

.mmmmmmmmmmmm

#import "NetWorkRequest.h"

@interface NetWorkRequest ()

{

CGFloat _totalLength;

}

@property (nonatomic,retain) NSMutableData * receiveData;

@property (nonatomic,retain) NSURLConnection * connection;

@end

@implementation NetWorkRequest

- (void)dealloc

{

self.receiveData = nil;

self.connection = nil;

//    [super dealloc];

}

//实现GET请求

- (void)requestForGETWithUrl:(NSString *)urlString

{

//封装URL对象

NSURL * url = [NSURL URLWithString:urlString];

//创建网络请求

NSMutableURLRequest * request = [[NSMutableURLRequest alloc] initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10.0];

//设置GET请求

[request setHTTPMethod:@"GET"];

//建立异步连接,使用设置delegate方式实现

self.connection = [NSURLConnection connectionWithRequest:request delegate:self];

}

//实现POST请求

- (void)requestForPOSTWithUrl:(NSString *)urlString postData:(NSData *)postData

{

//封装URL对象

NSURL * url = [NSURL URLWithString:urlString];

//创建网络请求

NSMutableURLRequest * request = [[NSMutableURLRequest alloc] initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60.0];

//设置POST请求

[request setHTTPMethod:@"POST"];

[request setHTTPBody:postData];

[request setValue:@"" forHTTPHeaderField:@"Accept-Encoding"];

//建立异步连接,使用设置delegate方式实现

self.connection = [NSURLConnection connectionWithRequest:request delegate:self];

//    NSURLConnection sendAsynchronousRequest:request queue:<#(NSOperationQueue *)#> completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

//    }

}

//取消网络请求

- (void)cancelRequest

{

[_connection cancel];

self.connection = nil;

self.delegate = nil;

}

- (void)networdRquestSuccessedHandler:(NetworkRequestSuccessedHandler)successedHandler failedHandler:(NetworkRequestFailedHandler)failedHandler progressHandler:(NetworkRequestProgressHandler)progressHandler

{

}

#pragma mark ------------------ 异步连接代理方法 网络连接状态 -------------------

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error

{

NSLog(@"error = %@",error);

if ([_delegate respondsToSelector:@selector(netWorkRequest:didFailed:)]) {

[_delegate netWorkRequest:self didFailed:error];

}

self.receiveData = nil;

}

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response

{

NSHTTPURLResponse *httpURLResponse = (NSHTTPURLResponse *)response;

NSLog(@"response = %@",httpURLResponse.allHeaderFields);

//    _totalLength = [httpURLResponse.allHeaderFields ];

NSLog(@"response header = %lu",(unsigned long)[httpURLResponse description].length );

self.receiveData = [NSMutableData data];

_totalLength = [response expectedContentLength];

}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data

{

[_receiveData appendData:data];

//计算当前的下载进度

CGFloat progress = _receiveData.length/_totalLength;

//通知代理,执行代理方法,获取当前的下载进度

if ([_delegate respondsToSelector:@selector(netWorkRequest:withProgress:)]) {

[_delegate netWorkRequest:self withProgress:progress];

}

}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection

{

if ([_delegate respondsToSelector:@selector(netWorkRequest:SuccessfulReceiveData:)]) {

[_delegate netWorkRequest:self SuccessfulReceiveData:_receiveData];

}

self.receiveData = nil;

}

@end

数据持久化

文件读写

//    //1.获取沙盒文件的主路径  方法名:

//    NSLog(@"home = %@",NSHomeDirectory());

//

//    //1.获取Documents的路径,  //主路径 拼接 子文件夹

//    NSLog(@"documents = %@",[NSHomeDirectory() stringByAppendingString:@"/Documents"]);

//    //拼接文件夹名字

//    NSLog(@"documents = %@",[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"]);

//

//    //获取沙盒中文件的路径

//    NSArray * files = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);

//    NSLog(@"-------files-----%@",files.lastObject);

//

//

//    //获取tmp 文件夹的路径

//    NSLog(@"------tem = ----- %@",NSTemporaryDirectory());

//

//

//    //获取文件包(.app)的路径             ---------NSBundle  获取的应用程序包文件及其子文件夹 只能读取 不能修改  其他的文件可以修改

//    NSString * filePath = [[NSBundle mainBundle] bundlePath];

//    NSLog(@"---------------filePath = %@",filePath);

//    //获取包里的可执行文件,

//    NSString * executablePath = [[NSBundle mainBundle] executablePath];

//    NSLog(@"----------- executablePath = %@",executablePath);

//存储一个字符串

//数据持久化过程:

//1.获取存储文件的上一级路径

NSString * documents = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)objectAtIndex:0];

//2.拼接完整的文件夹存储路径

NSString * filePath = [documents stringByAppendingPathComponent:@"text.text"];

//3.存储数据

NSString * saveString = @"lanou";

[saveString writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];

//从文件中,读取字符串对象

NSString * readString = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil];

NSLog(@"readString = %@",readString);

//    //获取存储文件的上级路径

//    NSString * documents2 = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

//    //拼接文件的完整了路径

//    NSString * filePath2 = [documents2 stringByAppendingString:@"xiaoke.text"];

//    // 创建数据 并存储

//    NSString * saveString2 = @"xioake";

//数组对象,存入文件

NSArray * nameArray = @[@"左友东",@"许珍珍",@"吴凯"];

//

NSString * caches = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex:0];

//拼接完整字符串路径

NSString * filePathOfCaches = [caches stringByAppendingString:@"names.plist"];

//写入  给要写入的对象发送写入消息, 给出完整路径,

[nameArray writeToFile:filePathOfCaches atomically:YES];

//读取数组

NSArray * readArray = [NSArray arrayWithContentsOfFile:filePathOfCaches];

NSLog(@"read array = %@",readArray);

//字典对象,存入文件

NSDictionary * personDic = @{@"name": @"xiaoke",

@"sex":@"nan"};

NSString * tmp = NSTemporaryDirectory();

NSString * tmpFilePath = [tmp stringByAppendingPathComponent:@"dic.plist"];

[personDic writeToFile:tmpFilePath atomically:YES];

//字典读取

NSDictionary * readPersonDic = [NSDictionary dictionaryWithContentsOfFile:tmpFilePath];

NSLog(@"read person dic = %@",readPersonDic);

//将字典从dic.plist中读取出来,修改其中某个value,然后从新写入dic.plist文件

NSMutableDictionary * personM_Dic = [NSMutableDictionary dictionaryWithContentsOfFile:tmpFilePath];

[personM_Dic setValue:@"小可" forKey:@"name"];

[personM_Dic writeToFile:tmpFilePath atomically:YES];

//NSData数据读写

UIImage * image = [UIImage imageNamed:@"cellImage"];

NSData * saveData = UIImagePNGRepresentation(image);

NSString * imageFilePath = [documents stringByAppendingPathComponent:@"newCellImage.array"];

[saveData writeToFile:imageFilePath atomically:YES];

NSData * readData = [NSData dataWithContentsOfFile:imageFilePath];

UIImage * readImage = [UIImage imageWithData:readData];

UIImage * readImage2 = [UIImage imageWithContentsOfFile:imageFilePath];

UIImageView * ima = [[UIImageView alloc] initWithImage:readImage2];

[self.window addSubview:ima];

[ima release];

//读取应用程序包(工程)中得图像,有两种方式

//第一种, 读取后就存放在内存中, 二次读取速度快 享元设计模式

[UIImage imageNamed:@"cellImage"];

//第二种, 没次都从 包(.app)中读取, 速度稍微慢,但不持续占内存

[UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"cellImage" ofType:@"png"]];

归档反归档

//序列化,编码

- (void)encodeWithCoder:(NSCoder *)aCoder

{

[aCoder encodeObject:_name forKey:@"NameKey"];

[aCoder encodeInt:_age forKey:@"AgeKey"];

}

//反序列化, 解码

- (id)initWithCoder:(NSCoder *)aDecoder

{

self = [super init];

if (self) {

self.name = [aDecoder decodeObjectForKey:@"NameKey"];

self.age = [aDecoder decodeIntForKey:@"AgeKey"];

}

return self;

}

- (void)didClickArchiverPersonButtonAction

{

ABPerson * person_xiaoke = [[ABPerson alloc]init];

person_xiaoke.name = @"Pack";

person_xiaoke.age = 24;

ABPerson * person_jiaozhu = [[ABPerson alloc] init];

person_jiaozhu.name = @"Siri";

person_jiaozhu.age = 23;

NSArray * archiverArray = @[person_xiaoke,person_jiaozhu];

[person_jiaozhu release];

[person_xiaoke release];

NSMutableData * archiverData = [NSMutableData data];

NSKeyedArchiver * archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:archiverData];

[archiver encodeObject:archiverArray forKey:@"personArray"];

[archiver finishEncoding];

NSString * file = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES).lastObject;

NSString * filePath = [file stringByAppendingPathComponent:@"archiverArray.arr"];

[archiverData writeToFile:filePath atomically:YES];

[archiver release];

}

- (void)didClickUnarchiverPersonButtonAction

{

NSString * file = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES).lastObject;

NSString * filePath = [file stringByAppendingPathComponent:@"archiverArray.arr"];

NSData * unarchiverData = [NSData dataWithContentsOfFile:filePath];

NSKeyedUnarchiver * unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:unarchiverData];

NSArray * unarchiverArray = [unarchiver decodeObjectForKey:@"personArray"];

[unarchiver finishDecoding];

for (ABPerson * person in unarchiverArray) {

NSLog(@"name = %@,age = %d",person.name,person.age);

}

}

//数组序列化Button 响应方法

- (void)didClickArchiverArrayButtonAction

{

ABPerson * person_x = [[ABPerson alloc]init];

person_x.name = @"船长";

person_x.age = 24;

ABPerson * person_jiaozhu = [[ABPerson alloc]init];

person_jiaozhu.name = @"教主";

person_jiaozhu.age = 24;

NSArray * personArray = @[person_xiaoke,person_jiaozhu];

[person_jiaozhu release];

[person_x release];

NSMutableData * archiveM_Data = [[NSMutableData alloc]init];

NSKeyedArchiver * keyedArchiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:archiveM_Data];

[keyedArchiver encodeObject:personArray forKey:@"personArray"];

[keyedArchiver finishEncoding];

NSString * file = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES).lastObject;

NSString * filePath = [file stringByAppendingPathComponent:@"personArray.array"];

[archiveM_Data writeToFile:filePath atomically:YES];

[archiveM_Data release];

[keyedArchiver release];

}

//数组反序列化Button 响应方法

- (void)didClickUnarchiverArrayButtonAction

{

NSString * file = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex:0];

NSString * filePath = [file stringByAppendingPathComponent:@"personArray.array"];

NSData * unarchiverData = [NSData dataWithContentsOfFile:filePath];

NSKeyedUnarchiver * keyedUnarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:unarchiverData];

NSArray * personArray = [keyedUnarchiver decodeObjectForKey:@"personArray"];

[keyedUnarchiver finishDecoding];

[keyedUnarchiver release];

for (ABPerson * person in personArray) {

NSLog(@"name = %@, age = %d",person.name,person.age);

}

}

- (void)didClickArchiverButtonAction

{

//对复杂的数据对象进行写入资料,原理:复杂的数据对象序列化为NSData,将NSData写入文件,实现数据持久化

/*********************************

*  1.自定义复杂的数据类型,例如:ABPerson, (

*      (1)ABPerson 必须实现NSCoding协议的方法

*      (2)ABPerson 中得实例变量或属性(对象类型),也必须实现NSCoding协议的方法

(3)ABPerson 中得基本数据类型没有过多限制

2. 创建一个序列化工具对象

3. 对复杂对象进行序列化

4. 结束序列化

5. 写入Data

***************************************/

NSMutableData * archiverM_Data = [NSMutableData data];

NSKeyedArchiver * keyedArchiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:archiverM_Data];

//3, 对复杂对象进行序列化

ABPerson * person = [[ABPerson alloc] init];

person.name = @"xiaohei";

person.age = 24;

[keyedArchiver encodeObject:person forKey:@"PersonKey"];

//4.结束序列化

[keyedArchiver finishEncoding];

//NSData写入

NSString * file_person = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

NSString * filePath_person = [file_person stringByAppendingPathComponent:@"person.data"];

[archiverM_Data writeToFile:filePath_person atomically:YES];

[keyedArchiver release];

[person release];

}

- (void)didClickUnarchiverButtonAction

{

/************************

//通过读取文件,实例化复杂数据对象 // NSData

1.创建一个反序列化工具对象

2.

********************/

//1.

NSString * file_person = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

NSString * filePath_person = [file_person stringByAppendingPathComponent:@"person.data"];

NSData * unarchiverData = [NSData dataWithContentsOfFile:filePath_person];

NSKeyedUnarchiver * keyUnarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:unarchiverData];

ABPerson * person = [keyUnarchiver decodeObjectForKey:@"PersonKey"];

[keyUnarchiver finishDecoding];

NSLog(@"name = %@, age = %d",person.name,person.age);

[keyUnarchiver release];

}

SQLite数据库

DataBase

#import <Foundation/Foundation.h>

#import <sqlite3.h>

@interface DataBase : NSObject

//打开数据库

+ (sqlite3 *)openDataBase;

//关闭数据库

+ (BOOL)closeDataBase;

@end

.mmmmmmmmmmmmmmmmmmm

#import "DataBase.h"

static sqlite3 * db = nil;

@implementation DataBase

+ (NSString *)document

{

NSString * file = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

return file;

}

//打开数据库

+ (sqlite3 *)openDataBase

{

//判断数据库是否打开,如果打开直接返回

if (db) {

return db;

}

//找到文件完整路径

NSString * filePath = [[DataBase document] stringByAppendingPathComponent:@"Contacts.sqlite"];

//创建NSFileManager对象

NSFileManager * fileManager = [NSFileManager defaultManager];

//判断沙盒中是否有Contacts.sqlite

if (![fileManager fileExistsAtPath:filePath]) {

//如果没有Contacts.sqlite文件,则创建数据库文件

int result = sqlite3_open([filePath UTF8String], &db);

//

if (result == SQLITE_OK) {

//如果创建数据库成功,先创建一个 表的 SQL语法,

NSString * sql = @"CREATE TABLE 'Contacts'('name' TEXT NOT NULL,'sex' TEXT DEFAULT 不男不女,'age' INTEGER DEFAULT 18,'number' INTEGER PRIMARY KEY  AUTOINCREMENT NOT NULL,'icon' BLOB)";

//给数据库添加表

int resultSQL = sqlite3_exec(db, [sql UTF8String], NULL, NULL, NULL);

if (resultSQL == SQLITE_OK) {

return db;

}

}

}

//如果沙盒中有数据库文件,则打开数据库

int result = sqlite3_open([filePath UTF8String], &db);

if (result == SQLITE_OK) {

return db;

}

return nil;

}

//关闭数据库

+ (BOOL)closeDataBase

{

int result = sqlite3_close(db);

if (result == SQLITE_OK) {

return YES;

}

return NO;

}

@end

DataManager

#import <Foundation/Foundation.h>

@interface DataManager : NSObject

+ (DataManager *)shareInstance;

//插入数据

- (void)insertWithName:(NSString *)name sex:(NSString *)sex age:(NSInteger)age number:(NSInteger)number image:(UIImage *)image;

//删除数据

- (void)deleteDataWithNumber:(NSInteger)number;

//修改数据

- (void)updataWithNumber:(NSInteger)number name:(NSString *)name;

//查找数据

- (NSMutableArray *)selectAllDataWithName;

//查找某个Number 的所有数据

- (NSDictionary *)selectOneContactsDicWithNumber:(NSInteger)number;

@end

.mmmmmmmmmmmmmmmmmmmmmmmm

#import "DataManager.h"

#import "DataBase.h"

@implementation DataManager

+ (DataManager *)shareInstance

{

static DataManager * _dataManager = nil;

@synchronized(self){

if (!_dataManager) {

_dataManager = [[DataManager alloc]init];

}

}

return _dataManager;

}

//插入数据

- (void)insertWithName:(NSString *)name sex:(NSString *)sex age:(NSInteger)age number:(NSInteger)number image:(UIImage *)image

{

//获取数据库

sqlite3 * db = [DataBase openDataBase];

//创建跟随指针stmt

sqlite3_stmt * stmt = nil;

//创建需要执行的SQL语法

NSString * sql = @"INSERT INTO Contacts (name,sex,age,number,icon) values(?,?,?,?,?)";

//验证SQL语句

int result = sqlite3_prepare(db, [sql UTF8String], -1, &stmt, NULL);

NSLog(@"result ========= %d",result);

if (result == SQLITE_OK) {

//绑定数据

sqlite3_bind_text(stmt, 1, [name UTF8String], -1, NULL);

sqlite3_bind_text(stmt, 2, [sex UTF8String], -1, NULL);

sqlite3_bind_int(stmt, 3, (int)age);

sqlite3_bind_int(stmt, 4, (int)number);

NSData * imageData = UIImagePNGRepresentation(image);

const void * bytes = [imageData bytes];

int length = (int)[imageData length];

sqlite3_bind_blob(stmt, 5, bytes, length, NULL);

//单步执行SQL语句

sqlite3_step(stmt);

//释放stmt

sqlite3_finalize(stmt);

}

}

//删除数据

- (void)deleteDataWithNumber:(NSInteger)number

{

//获取数据库

sqlite3 * db = [DataBase openDataBase];

//创建跟随指针,

sqlite3_stmt * stmt = nil;

//创建需要执行的SQL语句

NSString * deleteSQL = @"DELETE FROM Contacts WHERE number = ?";

//验证SQL语句

int result = sqlite3_prepare(db, [deleteSQL UTF8String], -1, &stmt, NULL);

NSLog(@"result ========= %d",result);

if (result == SQLITE_OK) {

//绑定数据

sqlite3_bind_int(stmt, 1, (int)number);

//删除数据 单步执行SQL语句

sqlite3_step(stmt);

//释放跟随指针,stmt

sqlite3_finalize(stmt);

}

}

//修改数据

- (void)updataWithNumber:(NSInteger)number name:(NSString *)name

{

//获取数据库

sqlite3 * db = [DataBase openDataBase];

//创建跟随指针 stmt

sqlite3_stmt * stmt = nil;

//创建需要执行的SQL语句

NSString * updataSQL = @"UPDATE Contacts SET name = ? WHERE number = ?";

//验证SQL语句

int result = sqlite3_prepare(db, [updataSQL UTF8String], -1, &stmt, NULL);

NSLog(@"result ======== %d",result);

if (result == SQLITE_OK) {

//绑定数据

sqlite3_bind_text(stmt, 1, [name UTF8String], -1, NULL);

sqlite3_bind_int(stmt, 2, (int)number);

//单步执行SQL语句 修改数据

sqlite3_step(stmt);

//释放跟随指针,stmt

sqlite3_finalize(stmt);

}

}

//查找数据

- (NSMutableArray *)selectAllDataWithName

{

//获取数据库

sqlite3 * db = [DataBase openDataBase];

//创建跟随指针 stmt

sqlite3_stmt * stmt = nil;

//创建需要执行的SQL语句

NSString * selectSQL = @"SELECT name FROM Contacts";

//验证SQL语句

int result = sqlite3_prepare(db, [selectSQL UTF8String], -1, &stmt, NULL);

NSLog(@"result ===========%d",result);

if (result == SQLITE_OK) {

//创建数据 ,用来保存查找到得name

NSMutableArray * allNameArray = [NSMutableArray array];

//循环执行单步SQL语句,step

while (sqlite3_step(stmt) == SQLITE_ROW) {

NSString * name = [NSString stringWithUTF8String:(const char *)sqlite3_column_text(stmt, 0)];

[allNameArray addObject:name];

}

return allNameArray;

}

return nil;

}

//查找某个Number 的所有数据

- (NSDictionary *)selectOneContactsDicWithNumber:(NSInteger)number

{

//获取数据库

sqlite3 * db = [DataBase openDataBase];

//创建跟随指针 stmt

sqlite3_stmt * stmt = nil;

//创建需要执行的SQL语句

NSString * selectSQL = @"SELECT name,sex,age,number,icon FROM Contacts WHERE number = ?";

//验证SQL语句

int result = sqlite3_prepare(db, [selectSQL UTF8String], -1, &stmt, NULL);

NSLog(@"result ====== %d",result);

if (result == SQLITE_OK) {

//绑定数据, number

sqlite3_bind_int(stmt, 1, (int)number);

//单步执行SQL语句 step

while (sqlite3_step(stmt) == SQLITE_ROW) {

NSString * name = [NSString stringWithUTF8String:(const char *)sqlite3_column_text(stmt, 0)];

NSString * sex = [NSString stringWithUTF8String:(const char *)sqlite3_column_text(stmt, 1)];

int age = sqlite3_column_int(stmt, 2);

int number = sqlite3_column_int(stmt, 3);

const void * bytes =sqlite3_column_blob(stmt, 4);

int length = sqlite3_column_bytes(stmt, 4);

NSData * imageData = [NSData dataWithBytes:bytes length:length];

UIImage * image = [UIImage imageWithData:imageData];

//释放跟随指针,stmt

sqlite3_finalize(stmt);

NSDictionary * dic = @{@"name": name,

@"sex":sex,

@"age":[NSNumber numberWithInt:age],

@"number":[NSNumber numberWithInt:number],

@"image":image};

return dic;

}

}

return nil;

}

@end

手势处理

- (void)viewDidLoad

{

[super viewDidLoad];

// Do any additional setup after loading the view.

ImageView * imageView = [[ImageView alloc] initWithFrame:CGRectMake(20, 20, 100, 100)];

[self.view addSubview:imageView];

[imageView release];

UIPanGestureRecognizer * panGesture = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(imageViewPanGesture:)];

[imageView addGestureRecognizer:panGesture];

[panGesture release];

//  实例变量

point = imageView.center;

}

//imageVie平移触发事件

- (void)imageViewPanGesture:(UIPanGestureRecognizer *)gesture

{

ImageView * imageView = (ImageView *)gesture.view;

CGFloat const f1 = point.x;

CGFloat const f2 = point.y;

CGPoint newPoint;

newPoint.x = f1+[gesture translationInView:imageView].x;

newPoint.y = f2+[gesture translationInView:imageView].y;

imageView.center = newPoint;

if (gesture.state == UIGestureRecognizerStateEnded) {

point = imageView.center;

}

}

XML解析

XML DOM解析(GDataXMLNode)

NSString * studentPath =
[[NSBundle mainBundle] pathForResource:@"Students" ofType:@"xml"];

NSData * studentData =
[NSData dataWithContentsOfFile:studentPath];

//从文档中读出完整的XML数据,在内存中形成完整的属性结构

NSError * error = nil;

GDataXMLDocument * document = [[GDataXMLDocument alloc] initWithData:studentData options:0 error:&error];

//读取XML文档数的根节点

GDataXMLElement * root = [document rootElement];

NSLog(@" root ==========
%@",root);

//获取根节点students下的所有子节点

NSArray * studentArray = [root elementsForName:@"student"];

for (GDataXMLElement * student in studentArray) {

GDataXMLElement * nameElement = [student elementsForName:@"name"].lastObject;

NSString * nameString = [nameElement
stringValue];

GDataXMLElement * numberElement = [student elementsForName:@"number"].lastObject;

NSString * numberString =
[numberElement stringValue];

GDataXMLElement * sexElement = [student elementsForName:@"sex"].lastObject;

NSString * sexString = [sexElement stringValue];

GDataXMLElement * ageElement = [student elementsForName:@"sex"].lastObject;

NSString * ageString = [ageElement stringValue];

NSLog(@"name = %@, number =
%@, sex = %@, age = %@",
nameString,numberString,sexString,ageString);

}

//xpath 
相对路径,(//name) 获取XML中所有name字段的 值  绝对路径 (student/name) 获取所有student下name的值

NSArray * nameArray = [root nodesForXPath:@"student/name" error:nil];

NSLog(@"name Array =
%@",nameArray);

XML SAX解析

系统解析

- (void)requestWithUrlString:(NSString *)urlStr

{

NSURL *url = [NSURL URLWithString:urlStr];

NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];

[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

NSXMLParser *xmlParser = [[NSXMLParser alloc] initWithData:data];

xmlParser.delegate = self;

[xmlParser parse];

}];

}

#pragma mark - XMLParserDelegate

- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI
qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict

{

NSLog(@"%s,%d,xxxxx = %@, qName = %@, attributes =
%@",__FUNCTION__, __LINE__, elementName,qName,attributeDict);

}

- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI
qualifiedName:(NSString *)qName

{

NSLog(@"%s, %d,xxxx = %@", __FUNCTION__, __LINE__, elementName);

}

- (void)parser:(NSXMLParser *)parser didStartMappingPrefix:(NSString *)prefix toURI:(NSString *)namespaceURI

{

NSLog(@"%s,%d,xxxxx = %@",__FUNCTION__, __LINE__,prefix);

}

- (void)parser:(NSXMLParser *)parser foundComment:(NSString *)comment

{

NSLog(@"%s,%d,xxxxx = %@",__FUNCTION__, __LINE__, comment);

}

- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string

{

NSLog(@"%s,%d,xxxxx = %@",__FUNCTION__, __LINE__, string);

}

多线程

@implementation
ViewController

- (void)viewDidLoad

{

[super viewDidLoad];

// Do any additional setup after loading the view,
typically from a nib.

//获取主线程对象

NSLog(@"main thread =
%@",[NSThread mainThread]);

UIButton * button = [UIButton buttonWithType:UIButtonTypeSystem];

button.frame = CGRectMake(130, 420, 80, 30);

[self.view addSubview:button];

self.view.backgroundColor = [UIColor lightGrayColor];

[button setTitle:@"输出" forState:UIControlStateNormal];

[button addTarget:self action:@selector(didClickButtonAction) forControlEvents:UIControlEventTouchUpInside];

UIButton * threadButton = [UIButton buttonWithType:UIButtonTypeSystem];

threadButton.frame = CGRectMake(50, 100, 200, 30);

[self.view addSubview:threadButton];

[threadButton setTitle:@"NSThread(detach)" forState:UIControlStateNormal];

[threadButton addTarget:self action:@selector(didClickThreadButtonAction)
forControlEvents:UIControlEventTouchUpInside];

UIButton * invocationOperationButton
= [UIButton buttonWithType:UIButtonTypeSystem];

invocationOperationButton.frame = CGRectMake(10, 150, 200, 30);

[self.view addSubview:invocationOperationButton];

[invocationOperationButton setTitle:@"invocationOperation" forState:UIControlStateNormal];

[invocationOperationButton addTarget:self action:@selector(didClickInvocationOperationButtonAction)
forControlEvents:UIControlEventTouchUpInside];

UIButton * blockOperationButton = [UIButton buttonWithType:UIButtonTypeSystem];

blockOperationButton.frame = CGRectMake(10 , 190, 200, 30);

[self.view addSubview:blockOperationButton];

[blockOperationButton setTitle:@"blockOperation" forState:UIControlStateNormal];

[blockOperationButton addTarget:self action:@selector(didClickBlockOperationButtonAction)
forControlEvents:UIControlEventTouchUpInside];

UIButton * operationQueueButton = [UIButton buttonWithType:UIButtonTypeSystem];

operationQueueButton.frame = CGRectMake(50, 330, 200, 30);

[self.view addSubview:operationQueueButton];

[operationQueueButton setTitle:@"operationQueue" forState:UIControlStateNormal];

[operationQueueButton addTarget:self action:@selector(didClickOperationQueueButtonAction)
forControlEvents:UIControlEventTouchUpInside];

UIButton * nsobjectButton = [UIButton buttonWithType:UIButtonTypeSystem];

nsobjectButton.frame = CGRectMake(50, 370, 200, 30);

[self.view addSubview:nsobjectButton];

[nsobjectButton setTitle:@"NSObject" forState:UIControlStateNormal];

[nsobjectButton addTarget:self action:@selector(didClickNSObjectButtonAction)
forControlEvents:UIControlEventTouchUpInside];

nsobjectButton.backgroundColor = [UIColor greenColor];

//定时器,自动循环执行,  自动添加到主线程的RunLoop中循环(因为viewDidLoad是在主线程中执行,因此timer对象是添加到主线程的runloop中,主线程的runloop一直处于运动状态

//    [NSTimer scheduledTimerWithTimeInterval:0.5
target:self selector:@selector(didClickTimerAcion) userInfo:nil repeats:YES];

//    //创建一个NSTimer对象,手动添加到runloop中

//    NSTimer * timer = [NSTimer
timerWithTimeInterval:0.5 target:self selector:@selector(didClickTimerAcion)
userInfo:nil repeats:YES];

//    [timer fire];

//    [[NSRunLoop mainRunLoop] addTimer:timer
forMode:NSDefaultRunLoopMode];

}

- (void)didClickNSObjectButtonAction

{

NSString * urlString = @"http://d.hiphotos.baidu.com/image/w%3D2048/sign=232a6514be315c6043956cefb989ca13/c83d70cf3bc79f3d3b082d31b8a1cd11738b29c2.jpg";

[self performSelectorInBackground:@selector(downloadImage:) withObject:urlString];

}

//在子线程中实现同步连接下载图片

- (void)downloadImage:(NSString *)urlString

{

@autoreleasepool {

//同步执行

NSData * data = [NSData dataWithContentsOfURL:[NSURL URLWithString:urlString]];

NSLog(@"data = %@",data);

//从子线程发出消息,在主线程执行某些操作

[self performSelectorOnMainThread:@selector(showImage:) withObject:data waitUntilDone:YES];

}

}

//在主线程中,将子线程中下载得到的图像,显示在UIImageView上

- (void)showImage:(NSData *)data

{

UIImage * image = [UIImage imageWithData:data];

UIImageView * imageView = [[UIImageView alloc] initWithImage:image];

[self.view addSubview:imageView];

[imageView release];

}

- (void)didClickInvocationOperationButtonAction

{

//封装好哪个对象要执行哪个方法,//

NSInvocationOperation * operation = [[NSInvocationOperation alloc] initWithTarget:self selector:@selector(didClickButtonAction) object:nil];

//创建操作队列   //操作队列可以暂停,暂时挂起,

NSOperationQueue * queue = [[NSOperationQueue alloc] init];

//操作对象添加到操作队列中 // 队列特点 先进先出

[queue addOperation:operation];

[operation release];

[queue release];

}

- (void)didClickBlockOperationButtonAction

{

//在子线程中需要执行的任务,当子线程开启运行状态时,才会执行

NSBlockOperation * blockOperation = [NSBlockOperation blockOperationWithBlock:^{

[self didClickButtonAction];

}];

//创建操作队列,

NSOperationQueue * queue = [[NSOperationQueue alloc] init];

//    [queue addOperation:blockOperation];

[queue addOperationWithBlock:^{

[self didClickButtonAction];

}];

//操作队列的最大并发数 //同时执行的操作对象,最多同时执行3个,

[queue setMaxConcurrentOperationCount:3];

}

- (void)didClickOperationQueueButtonAction

{

}

- (void)didClickTimerAcion

{

NSLog(@"-------");

}

//创建另一个线程(子线程),帮助主线程完成某个任务

- (void)didClickThreadButtonAction

{

//创建子线程,子线程自动进入等待启动状态

//给子线程分配任务

//    [NSThread
detachNewThreadSelector:@selector(didClickButtonAction) toTarget:self
withObject:nil];

//实例方法创建子线程,需要手动开启子线程

NSThread * thread = [[NSThread alloc] initWithTarget:self selector:@selector(didClickButtonAction) object:nil];

[thread start];

}

//任务 按顺序输出从 0
~ 6553500000 的所有值

- (void)didClickButtonAction

{

//在多线程方法中需要添加自动释放池,否则会造成内存泄露,因为子线程管理的任务执行完成后,子线程会被弃用//主线程默认添加自动释放池,

@autoreleasepool {

//        //主线程的runloop默认是开启的,子线程的runloop默认是关闭的,如果有需要,需要手动开启

//        //如果子线程的runloop开启,子线程不会被销毁,

//        [NSTimer
scheduledTimerWithTimeInterval:0.5 target:self
selector:@selector(didClickTimerAcion) userInfo:nil repeats:YES];

//        [[NSRunLoop currentRunLoop] run];

//

//        //是子线程还是主线程执行

//        NSLog(@"%d",[NSThread
isMainThread]);

//        //获取执行管理方法的线程对象

//        NSThread * thread = [NSThread
currentThread];

//        NSLog(@"thread = %@",thread);

//

//

//        //当前线程休眠10秒

//        [NSThread sleepForTimeInterval:10.0f];

for (NSInteger i = 0; i < 6553500000; i++) {

NSLog(@"i = %ld",i);

}

}

}

GCD 队列

@implementation
ViewController

- (void)viewDidLoad

{

[super viewDidLoad];

// Do any additional setup after loading the view,
typically from a nib.

UIButton * globalButton =
[UIButton buttonWithType:UIButtonTypeSystem];

globalButton.frame = CGRectMake(10, 100, 100, 30);

[self.view addSubview:globalButton];

[globalButton setTitle:@"Global" forState:UIControlStateNormal];

[globalButton addTarget:self action:@selector(didClickGlobalButtonAction)
forControlEvents:UIControlEventTouchUpInside];

UIButton * customButton =
[UIButton buttonWithType:UIButtonTypeSystem];

customButton.frame = CGRectMake(150, 100, 100, 30);

[self.view addSubview:customButton];

[customButton setTitle:@"Custom" forState:UIControlStateNormal];

[customButton addTarget:self action:@selector(didClickCustomButtonButtonAction)
forControlEvents:UIControlEventTouchUpInside];

}

- (void)didClickGlobalButtonAction

{

//获取全局队列,添加任务,这个任务由全局队列创建子线程,开启执行

dispatch_queue_t globalQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);

dispatch_async(globalQueue, ^{

NSLog(@"%d",[NSThread isMainThread]);

//这个block执行时,是在子线程中

//建立同步连接,获取图片

NSString * urlString = @"http://d.hiphotos.baidu.com/image/w%3D2048/sign=232a6514be315c6043956cefb989ca13/c83d70cf3bc79f3d3b082d31b8a1cd11738b29c2.jpg";

NSData * data = [NSData dataWithContentsOfURL:[NSURL URLWithString:urlString]];

NSLog(@"data = %@",data);

//图像获取成功后,将图片显示在UI上(这个任务必须在主线程完成)

//找主队列,添加任务

dispatch_async(dispatch_get_main_queue(), ^{

UIImage * image = [UIImage imageWithData:data];

UIImageView * imageView = [[UIImageView alloc] initWithImage:image];

[self.view addSubview:imageView];

[imageView release];

});

});

}

- (void)didClickCustomButtonButtonAction

{

//自定义队列/ 创建queue,
参数1.
名字, 参数2.
并行

dispatch_queue_t myConcurrentQueue = dispatch_queue_create("xiaoke_queue", DISPATCH_QUEUE_CONCURRENT);

//添加任务

dispatch_async(myConcurrentQueue, ^{

NSString * urlString = @"http://d.hiphotos.baidu.com/image/w%3D2048/sign=232a6514be315c6043956cefb989ca13/c83d70cf3bc79f3d3b082d31b8a1cd11738b29c2.jpg";

//子线程获取数据

NSData * data = [NSData dataWithContentsOfURL:[NSURL URLWithString:urlString]];

//主线程显示imageVIew

dispatch_async(dispatch_get_main_queue(), ^{

UIImage * image = [UIImage imageWithData:data];

UIImageView * imageView = [[UIImageView alloc] initWithImage:image];

imageView.frame = self.view.frame;

[self.view addSubview:imageView];

[imageView release];

});

});

dispatch_release(myConcurrentQueue);

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be
recreated.

}

@end

核心动画

View层动画

@implementation
FirstViewController

- (void)viewDidLoad

{

[super viewDidLoad];

_showImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"小白"]];

_showImageView.frame = CGRectMake(60, 30, 200, 200);

[self.view addSubview:_showImageView];

[_showImageView release];

_fromView = [[UIView alloc] initWithFrame:_showImageView.bounds];

_fromView.backgroundColor = [UIColor redColor];

[_showImageView addSubview:_fromView];

_toView = [[UIView alloc] initWithFrame:_showImageView.bounds];

_toView.backgroundColor = [UIColor greenColor];

//    [_showImageView addSubview:_toView];

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be
recreated.

}

// 使用Context实现视图的基本属性的动画效果

- (IBAction)didClickUIViewAttributeButtonAction:(id)sender {

//imageView以动画效果展示位置移动,修改center

//1. 开始设置动画   参数1:动画名字  参数2:类型空指针,给代理方法传值

[UIView beginAnimations:@"center" context:_showImageView];

//2. 动画设置

//设置动画时间

[UIView setAnimationDuration:1];

//设置动画的重复次数

//    [UIView setAnimationRepeatCount:2];

//设置往返    //获取view动画开始之前的属性

[UIView setAnimationWillStartSelector:@selector(animationWillStart:context:)];

//获取view动画结束时候的属性

[UIView setAnimationDidStopSelector:@selector(animationDidStop:finished:context:)];

//view动画设置代理

[UIView setAnimationDelegate:self];

//设置图片中心点

_showImageView.center = CGPointMake(200, 200);

//设置动画过程中透明度

_showImageView.alpha = 0.3;

//3. 提交动画设置,开始执行动画

[UIView commitAnimations];

}

- (void)animationWillStart:(NSString *)animationID context:(void *)context

{

NSLog(@"animationID =
%@",animationID);

NSLog(@"context = %@",context);

}

- (void)animationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context

{

NSLog(@"animationID = %@",animationID);

NSLog(@"context = %@",context);

//动画结束时候,让图片回到原始位置

[UIView beginAnimations:@"return" context:_showImageView];

[UIView setAnimationDuration:1.0];

_showImageView.center = CGPointMake(160, 130);

_showImageView.alpha = 1;

[UIView commitAnimations];

}

- (IBAction)didClickTranslationButtonAction:(id)sender {

//使用block实现动画

[UIView animateWithDuration:1.5 animations:^{

//通过设置UIView的transform属性,实现视图的移动

if (_mySwitch.isOn == YES) {

//这个方法基于上次的transform进行设置

_showImageView.transform = CGAffineTransformTranslate(_showImageView.transform, 50, 0);

}else{

//基于原始的transform进行设置

_showImageView.transform = CGAffineTransformMakeTranslation(-50, 0);

}

}];

}

- (void)dealloc {

[_mySwitch release];

[_fromView release];

[_toView release];

[super dealloc];

}

- (IBAction)didClickRotationButtonAction:(id)sender {

[UIView animateWithDuration:1.0 animations:^{

if (_mySwitch.isOn == YES) {

//  设置动画重复两次

[UIView setAnimationRepeatCount:2];

//            [UIView setAnimationsEnabled:NO];

_showImageView.transform = CGAffineTransformRotate(_showImageView.transform, M_PI/2);

}else{

_showImageView.transform = CGAffineTransformMakeRotation(M_PI);

}

} completion:^(BOOL finished) {

NSLog(@"动画完成");

}];

}

- (IBAction)didClickScaleButtonAction:(id)sender {

[UIView animateWithDuration:1.0 delay:0.0 options:UIViewAnimationOptionAutoreverse animations:^{

if (_mySwitch.isOn == YES) {

_showImageView.transform = CGAffineTransformScale(_showImageView.transform, -1.0, 1.0);

}else{

_showImageView.transform = CGAffineTransformMakeScale(0.5, 0.5);

}

} completion:^(BOOL finished) {

}];

}

- (IBAction)didClickTransitonButtonAction:(id)sender {

//    if (_fromView.superview != nil) {

//        [UIView
transitionWithView:_showImageView duration:1.0
options:UIViewAnimationOptionTransitionCrossDissolve animations:^{

//

//            [_fromView removeFromSuperview];

//            [_showImageView
addSubview:_toView];

//

//        } completion:^(BOOL finished) {

//

//        }];

//

//    }else{

//        [UIView transitionWithView:_showImageView
duration:1.0 options:UIViewAnimationOptionTransitionFlipFromBottom
animations:^{

//            [_toView removeFromSuperview];

//            [_showImageView
addSubview:_fromView];

//

//        } completion:nil];

//

//

//    }

//    [UIView transitionWithView:_showImageView
duration:1.0 bbbvb animations:^{

//

//        [_showImageView
exchangeSubviewAtIndex:0 withSubviewAtIndex:1];

//

//    } completion:nil];

//

if (_fromView.superview != nil) {

[UIView transitionFromView:_fromView toView:_toView duration:1.0 options:UIViewAnimationOptionTransitionFlipFromTop completion:^(BOOL finished) {

NSLog(@"???");

}];

}else{

[UIView transitionFromView:_toView toView:_fromView duration:1.0 options:UIViewAnimationOptionTransitionFlipFromTop completion:^(BOOL finished) {

NSLog(@"ooo");

}];

}

}

@end

CoreAnimation layer层核心动画

#import "SecondViewController.h"

@interface SecondViewController ()

{

UIImageView *
_showImageView;

}

@end

@implementation
SecondViewController

- (void)viewDidLoad

{

[super viewDidLoad];

_showImageView = [[UIImageView alloc] initWithFrame:CGRectMake(50, 50, 200, 200)];

_showImageView.backgroundColor = [UIColor purpleColor];

[self.view addSubview:_showImageView];

[_showImageView release];

//

////   
_showImageView.layer.masksToBounds = YES;

//   
_showImageView.layer.cornerRadius = 100.0;//圆角

_showImageView.layer.borderWidth = 2.0;//边框宽度

////    _showImageView.layer.borderColor = [UIColor
greenColor].CGColor;//边框颜色

//

//    _showImageView.labyer.shadowColor =
[UIColor lightGrayColor].CGColor;//阴影颜色

//    _showImageView.layer.shadowOffset = CGSizeMake(50,
50);//阴影偏移量

//    _showImageView.layer.shadowRadius = 15;// 阴影半径

//    _showImageView.layer.shadowOpacity = 1.0;//
阴影不透明度

//

//

//    //锚点默认是视图的中心点,视图的旋转,缩放等操作是基于锚点操作  //position,是锚点到父视图原点的距离

//    NSLog(@"anchorPoint = %@",NSStringFromCGPoint(_showImageView.layer.anchorPoint));

//    NSLog(@"position =
%@",NSStringFromCGPoint(_showImageView.layer.position));

//

//

//

//    //给showImageView添加一个子图层

//    CALayer * layer = [CALayer layer];

//    layer.backgroundColor = [UIColor
cyanColor].CGColor;

//    [_showImageView.layer addSublayer:layer];

//    layer.frame = CGRectMake(50, 50, 100, 100);

//    layer.cornerRadius = 50;

//

//

//

NSLog(@"anchroPoint =
%@",NSStringFromCGPoint(_showImageView.layer.anchorPoint));

NSLog(@"position = %@", NSStringFromCGPoint(_showImageView.layer.position));

_showImageView.layer.cornerRadius = 10.0f;

_showImageView.layer.borderColor = [UIColor redColor].CGColor;

_showImageView.layer.borderWidth = 10.0f;

_showImageView.layer.shadowColor = [UIColor blueColor].CGColor;

_showImageView.layer.shadowOffset = CGSizeMake(20, 20);

_showImageView.layer.shadowOpacity = 1.0f;

NSLog(@"anchorPoint =
%@", NSStringFromCGPoint(_showImageView.layer.anchorPoint));

NSLog(@"position = %@",NSStringFromCGPoint(_showImageView.layer.position));

//    CABasicAnimation *animation =
[CABasicAnimation animationWithKeyPath:@"backgroundColor"];

//    CABasicAnimation *animation2 = [CABasicAnimation
animationWithKeyPath:@"transform.scale.y"];

//    CABasicAnimation *animation3 =
[CABasicAnimation animationWithKeyPath:@"opacity"];

//

//    CAKeyframeAnimation *animation =
[CAKeyframeAnimation animationWithKeyPath:@"position"];

//

//    animation.values = @[

//                         [NSValue
valueWithCGPoint:CGPointMake(100, 100)],

//                         [NSValue
valueWithCGPoint:CGPointMake(200, 150)],

//                         [NSValue
valueWithCGPoint:CGPointMake(100, 200)],

//                         [NSValue
valueWithCGPoint:CGPointMake(200, 250)]

//                         ];

//    [_showImageView.layer
addAnimation:animation forKey:@"position"];

//    CATransition *animation = [CATransition
animation];

//    [animation setDuration:1.0];

//

//    //  动画过渡类型

//    animation.type = kCATransitionMoveIn;

//

//    //  动画过渡方向

//    animation.subtype = kCATransitionFromRight;

//

//    [_showImageView.layer
addAnimation:animation forKey:@"transition"];

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

}

- (IBAction)didClickCABasicButtonAction:(id)sender {

//    //创建一个CABasic动画对象,参数为 需要进行动画设置的
layer的属性 名字

//    CABasicAnimation * animation =
[CABasicAnimation animationWithKeyPath:@"backgroundColor"];

//    [animation setDuration:1.5];

//    //CABasicAnimation 提供了两个属性,fromValue

toValue ,设置动画过程的起始值和结束值

//    animation.fromValue = (id)[UIColor
yellowColor].CGColor;

//    animation.toValue = (id)[UIColor
blackColor].CGColor;

//

//    //把创建好的动画对象添加给 layer

//    [_showImageView.layer
addAnimation:animation forKey:@"背景颜色"];

//    CABasicAnimation * animation =
[CABasicAnimation animationWithKeyPath:@"opacity"];

//    [animation setDuration:3.0];

//    [animation setAutoreverses:YES];

//

//    animation.fromValue = [NSNumber
numberWithInt:1];

//    animation.toValue = [NSNumber
numberWithFloat:0.0];

//

//    [_showImageView.layer
addAnimation:animation forKey:@"不透明度"];

//

CABasicAnimation * animation = [CABasicAnimation animationWithKeyPath:@"transform.scale.y"];

[animation setDuration:2.0];

[animation setAutoreverses:YES];

animation.fromValue = [NSNumber numberWithFloat:1.0];

animation.toValue = [NSNumber numberWithFloat:0.5];

[_showImageView.layer addAnimation:animation forKey:@"scale.y"];

}

- (IBAction)didClickCAKeyFromeValueButtonAction:(id)sender {

CAKeyframeAnimation * animation = [CAKeyframeAnimation animationWithKeyPath:@"position"];//layer的属性

animation.duration = 7.0;

//设置动画关键帧

animation.values = @[

[NSValue valueWithCGPoint:CGPointMake(100, 50)],

[NSValue valueWithCGPoint:CGPointMake(200, 100)],

[NSValue valueWithCGPoint:CGPointMake(100, 150)],

[NSValue valueWithCGPoint:CGPointMake(200, 100)],

[NSValue valueWithCGPoint:CGPointMake(100, 50)]

];

[_showImageView.layer addAnimation:animation forKey:@"position"];

}

- (IBAction)didClickCAKeyFromePathButtonAction:(id)sender {

CAKeyframeAnimation * animation = [CAKeyframeAnimation animationWithKeyPath:@"position"];

//创建一个空的路径对象 path

CGMutablePathRef path = CGPathCreateMutable(); //create  之后要 release

//设置路径初始点

CGPathMoveToPoint(path, NULL, 50, 50);

//设置路径经过的点

CGPathAddLineToPoint(path, NULL, 200, 50);

CGPathAddLineToPoint(path, NULL, 200, 250);

//将路径赋给动画对象的path

animation.path = path;

//设置动画时间

[animation setDuration:2.5];

//给_showImageView的layer层添加动画

[_showImageView.layer addAnimation:animation forKey:@"position"];

//释放路径对象

CGPathRelease(path);

}

- (IBAction)didClickCAGroupButtonAction:(id)sender {

//group动画对象

//    CAAnimationGroup * group =
[CAAnimationGroup animation];

CAKeyframeAnimation * animation1 = [CAKeyframeAnimation animationWithKeyPath:@"position"];

animation1.values = @[[NSValue valueWithCGPoint:CGPointMake(200, 200)],

[NSValue valueWithCGPoint:CGPointMake(80, 120)],

[NSValue valueWithCGPoint:CGPointMake(100, 300)],

[NSValue valueWithCGPoint:CGPointMake(60, 70)],

[NSValue valueWithCGPoint:CGPointMake(160, 50)]];

[_showImageView.layer addAnimation:animation1 forKey:@"position"];

CABasicAnimation *animation2 = [CABasicAnimation animationWithKeyPath:@"transform.scale.y"];

animation2.fromValue = [NSNumber numberWithFloat:1.0];

animation2.toValue = [NSNumber numberWithFloat:0.5];

[_showImageView.layer addAnimation:animation2 forKey:@"scale"];

CAAnimationGroup * group = [CAAnimationGroup animation];

[group setDuration:4.0];

group.animations = @[animation1,animation2];

[_showImageView.layer addAnimation:group forKey:@"组"];

}

- (IBAction)didClickCATransitionButtonAction:(id)sender {

CATransition * animation = [CATransition animation];

animation.duration = 1.0;

// animation.type = kCATransitionPush;

//    animation.type =
@"cameraIrisHollowOpen";

//  动画过渡类型

animation.type = @"cameraIrisHollowClose";

//  动画过渡方向

animation.subtype = kCATransitionFromRight;

//    animation.startProgresss = 0.0;

//    animation.endProgress = 0.3; //动画实现位置,

[_showImageView.layer addAnimation:animation forKey:@""];

}

地图定位

#import <UIKit/UIKit.h>

#import <UIKit/UIKit.h>

#import <MapKit/MapKit.h>

#import "YellowViewController.h"

@interface
RootViewController : UIViewController<MKMapViewDelegate>

@property(nonatomic,retain) MKMapView *mapView;

@property(nonatomic,retain) NSString *placrStr;

@property(nonatomic,retain) MKPinAnnotationView *annotationView;

@property(nonatomic,retain) YellowViewController *yellowVc;

@end

.mmmmmmmmmmmmmmmmmmm

#import "RootViewController.h"

#import "MyAnnotation.h"

#import "MyOverlayRenderer.h"

@interface RootViewController ()

@end

@implementation
RootViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

self = [super initWithNibName:nibNameOrNil
bundle:nibBundleOrNil];

if (self) {

// Custom initialization

}

return self;

}

- (void)viewWillAppear:(BOOL)animated

{

self.navigationController.navigationBar.hidden = YES;

}

- (void)viewDidLoad

{

[super viewDidLoad];

self.yellowVc = [[YellowViewController alloc] init];

// Do any additional setup after loading the view.

self.mapView = [[MKMapView alloc] initWithFrame:self.view.frame];

[self.view addSubview:_mapView];

self.mapView.delegate = self;

//我的位置button

UIButton *abutton = [UIButton buttonWithType:UIButtonTypeRoundedRect];

abutton.frame = CGRectMake(0, 538, 60, 30);

abutton.backgroundColor = [UIColor redColor];

[abutton setTitle:@"我的位置" forState:UIControlStateNormal];

[abutton addTarget:self action:@selector(myLocation) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:abutton];

//1号位置button

UIButton *button1 = [UIButton buttonWithType:UIButtonTypeRoundedRect];

button1.frame = CGRectMake(65, 538, 60, 30);

button1.backgroundColor = [UIColor redColor];

[button1 setTitle:@"1号位置" forState:UIControlStateNormal];

[button1 addTarget:self action:@selector(one) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:button1];

//2号位置

UIButton *button2 = [UIButton buttonWithType:UIButtonTypeRoundedRect];

button2.frame = CGRectMake(130, 538, 60, 30);

button2.backgroundColor = [UIColor redColor];

[button2 setTitle:@"2号位置" forState:UIControlStateNormal];

[button2 addTarget:self action:@selector(two) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:button2];

//连线的button

UIButton *button3 = [UIButton buttonWithType:UIButtonTypeRoundedRect];

button3.frame = CGRectMake(200, 538, 90, 30);

button3.backgroundColor = [UIColor redColor];

[button3 setTitle:@"1和2导航" forState:UIControlStateNormal];

[button3 addTarget:self action:@selector(three) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:button3];

}

- (void)three

{

CLLocationCoordinate2D fromCoordinate = CLLocationCoordinate2DMake(23.134844,113.317290);

CLLocationCoordinate2D toCoordinate = CLLocationCoordinate2DMake(23.114844,113.317290);

MKPlacemark *fromPlacemark = [[MKPlacemark alloc] initWithCoordinate:fromCoordinate addressDictionary:nil];

MKPlacemark *toPlacemark = [[MKPlacemark alloc] initWithCoordinate:toCoordinate addressDictionary:nil];

MKMapItem *fromItem = [[MKMapItem alloc] initWithPlacemark:fromPlacemark];

MKMapItem *toItem = [[MKMapItem alloc] initWithPlacemark:toPlacemark];

MKDirectionsRequest *request = [[MKDirectionsRequest alloc] init];

request.source = fromItem;

request.destination = toItem;

request.requestsAlternateRoutes = YES;

MKDirections *directions = [[MKDirections alloc] initWithRequest:request];

[directions calculateDirectionsWithCompletionHandler:

^(MKDirectionsResponse *response, NSError *error) {

if (error) {

NSLog(@"error:%@", error);

}

else {

MKRoute *route = response.routes[0];

[self.mapView addOverlay:route.polyline];

}

}];

}

//---------------------------------------------------------------------

- (void)myLocation

{

self.mapView.showsUserLocation = YES;

}

- (void)one

{

//self.mapView
removeAnnotations:<#(NSArray *)#>

//设置地图中心

CLLocationCoordinate2D coordinate;

coordinate.latitude = 23.134844;

coordinate.longitude = 113.317290;

MyAnnotation *ann = [[MyAnnotation alloc] init];

ann.coordinate = coordinate;

ann.myTitle = @"吴品无品五品五品茶";

ann.mySubtitle = @"meipin";

//触发viewForAnnotation

[_mapView addAnnotation:ann];

//添加多个

//[mapView addAnnotations]

//设置显示范围

MKCoordinateRegion region;

region.span.latitudeDelta = 0.001;

region.span.longitudeDelta = 0.001;

region.center = coordinate;

// 设置显示位置(动画)

[_mapView setRegion:region animated:YES];

// 设置地图显示的类型及根据范围进行显示

[_mapView regionThatFits:region];

self.mapView.showsUserLocation = NO;

}

- (void)two

{

//解析

CLLocation *locNow = [[CLLocation alloc]initWithLatitude:23.114844 longitude:113.317290];

CLGeocoder *geocoder=[[CLGeocoder alloc] init];

[geocoder reverseGeocodeLocation:locNow completionHandler:^(NSArray *placemarks,NSError *error)

{

CLPlacemark *placemark=[placemarks objectAtIndex:0];

NSLog(@"name:%@\n
country:%@\n postalCode:%@\n ISOcountryCode:%@\n ocean:%@\n inlandWater:%@\n
locality:%@\n subLocality:%@\n administrativeArea:%@\n
subAdministrativeArea:%@\n thoroughfare:%@\n subThoroughfare:%@\n",placemark.name,placemark.country,placemark.postalCode,placemark.ISOcountryCode,placemark.ocean,placemark.inlandWater,placemark.administrativeArea,placemark.subAdministrativeArea,placemark.locality,placemark.subLocality,placemark.thoroughfare,placemark.subThoroughfare);

CLLocationCoordinate2D coordinate;

coordinate.latitude = 23.114844;

coordinate.longitude = 113.317290;

MyAnnotation *annotation = [[MyAnnotation alloc] init];

//设置中心

annotation.coordinate = coordinate;

//触发viewForAnnotation

[self.mapView addAnnotation:annotation];

//设置显示范围

MKCoordinateRegion region;

region.span.latitudeDelta = 0.001;

region.span.longitudeDelta = 0.001;

region.center = coordinate;

// 设置显示位置(动画)

[_mapView setRegion:region animated:YES];

// 设置地图显示的类型及根据范围进行显示

[_mapView regionThatFits:region];

self.mapView.showsUserLocation = NO;

annotation.myTitle =placemark.name;

//annotation.mySubtitle =
[placemark.locality stringByAppendingString:placemark.subLocality];

//[placemark.locality
stringByAppendingString:placemark.subAdministrativeArea];

}];

}

//当前位置location代理方法

- (void)mapView:(MKMapView *)mapView
didUpdateUserLocation:(MKUserLocation *)userLocation

{

CLLocationCoordinate2D loc = [userLocation coordinate];

NSLog(@"%f,%f",loc.latitude,loc.longitude);

//放大地图到自身的经纬度位置。

MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(loc, 0.1, 0.1);

[self.mapView setRegion:region animated:YES];

}

- (void)mapViewDidStopLocatingUser:(MKMapView *)mapView

{

}

//map代理方法

- (MKAnnotationView *)mapView:(MKMapView *)mapView
viewForAnnotation:(id <MKAnnotation>)annotation

{

//如果是当前位置,无需更改

if ([annotation isKindOfClass:[MKUserLocation class]])

{

return nil;

}

if ([annotation isKindOfClass:[MyAnnotation class]])

{

NSString *annotationViewId=@"meipinAnnotationView";

_annotationView = (MKPinAnnotationView *)

[mapView dequeueReusableAnnotationViewWithIdentifier:annotationViewId];

if (_annotationView==nil){

//MKAnnotationView是使用自定义的图片.MKPinAnnotationView是定义系统默认的大头针

_annotationView = [[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:annotationViewId];

_annotationView.canShowCallout = YES;

UIImageView *leftView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"2.png"]];

_annotationView.leftCalloutAccessoryView = leftView;

_annotationView.animatesDrop = YES;

//设置右按钮

UIButton *rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];

[rightButton addTarget:nil action:nil forControlEvents:UIControlEventTouchUpInside];

_annotationView.rightCalloutAccessoryView = rightButton;

}

}

return _annotationView;

}

// user tapped the
disclosure button in the callout

//

- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view
calloutAccessoryControlTapped:(UIControl *)control

{

// here we illustrate how to detect which
annotation type was clicked on for its callout

id <MKAnnotation> annotation = [view annotation];

if ([annotation isKindOfClass:[MyAnnotation class]])

{

[self.navigationController pushViewController:self.yellowVc animated:YES];

NSLog(@"123456789");

}

}

- (MKOverlayRenderer *)mapView:(MKMapView *)mapView

rendererForOverlay:(id<MKOverlay>)overlay

{

MKPolylineRenderer *renderer = [[MKPolylineRenderer alloc] initWithOverlay:overlay];

renderer.lineWidth = 5.0;

renderer.strokeColor = [UIColor purpleColor];

return renderer;

}

- (void)mapView:(MKMapView *)mapView
didAddOverlayRenderers:(NSArray *)renderers

{

}

- (void)mapView:(MKMapView *)mapView
didAddAnnotationViews:(NSArray *)views

{

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be
recreated.

}

@end

CoreData

CoreDataManager 单例封装

@interface CoreDataManager
: NSObject

@property (nonatomic, strong) NSManagedObjectContext *managedObjectContext; //  托管对象上下文

/**


CoreDataManager 单例对象

*

*  @return

*/

+ (CoreDataManager *)defaultManager;

@end

.mmmmmmmmmmmm

#import "CoreDataManager.h"

@interface CoreDataManager ()

@property (nonatomic, strong) NSPersistentStoreCoordinator *persistentStoreCoordinator; //  持久化存储协调器

@property (nonatomic, strong) NSManagedObjectModel *managedObjectModel; //  托管对象模型

@end

@implementation CoreDataManager

+ (CoreDataManager *)defaultManager

{

static CoreDataManager *manager = nil;

@synchronized(self){

if (manager == nil) {

manager = [[self alloc] init];

}

}

return manager;

}

- (NSManagedObjectContext *)managedObjectContext

{

//  如果托管对象上下文不为空的话  直接返回

if (_managedObjectContext != nil) {

return _managedObjectContext;

}

//  不为空创建一个新的对象

_managedObjectContext = [[NSManagedObjectContext alloc] init];

//  为脱光对象上下文添加持久化存储协调器

[_managedObjectContext setPersistentStoreCoordinator:self.persistentStoreCoordinator];;

return _managedObjectContext;

}

- (NSPersistentStoreCoordinator
*)persistentStoreCoordinator

{

if (_persistentStoreCoordinator != nil) {

return _persistentStoreCoordinator;

}

//  获取我们想要创建数据库的路径

NSURL *documentURL = [[NSFileManager defaultManager] URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask].lastObject;

NSURL *fileURL = [documentURL URLByAppendingPathComponent:@"LOClass.sqlite"];

//  根据托管对象模型创建数据持久化存储协调器

_persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:self.managedObjectModel];

//  数据持久化存储协调器添加存储类型和存储路径

// 
options参数 如果做数据库版本迁移, options必须要填写

//  字典key值含义 1: 持久化存储数据自动迁移

// 
2: 自动推断数据模型映射关系

NSError *error = nil;

[_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:fileURL options: @{NSMigratePersistentStoresAutomaticallyOption:@YES, NSInferMappingModelAutomaticallyOption:@YES} error:&error];

if (error != nil) {

NSLog(@"%s, %d error =
%@",__FUNCTION__, __LINE__, [error description]);

abort();

}

return _persistentStoreCoordinator;

}

- (NSManagedObjectModel *)managedObjectModel

{

if (_managedObjectModel != nil) {

return _managedObjectModel;

}

//  获取实体在工程包中的路径

NSURL *momdURL = [[NSBundle mainBundle] URLForResource:@"LOClassModel" withExtension:@"momd"];

//  根据可视化数据模型 创建 托管对象模型

_managedObjectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:momdURL];

return _managedObjectModel;

}

@end

数据增删改

增:

//  创建实体描述对象

NSEntityDescription *entityDescription = [NSEntityDescription entityForName:@"LOClassEntity" inManagedObjectContext:[CoreDataManager defaultManager].managedObjectContext];

//  根据实体描述对象 创建LOClass
实例对象

LOClass *loclass = [[LOClass alloc] initWithEntity:entityDescription insertIntoManagedObjectContext:[CoreDataManager defaultManager].managedObjectContext];

[[CoreDataManager defaultManager].managedObjectContext save:nil];

[[CoreDataManager defaultManager].managedObjectContext deleteObject:loclass];

NSError *error = nil;

[[CoreDataManager defaultManager].managedObjectContext save:&error];

loclass.name = [NSString stringWithFormat:@"第%d班",arc4random()%10];

NSError *error = nil;

//  保存数据 数据持久化

[[CoreDataManager defaultManager].managedObjectContext save:&error];

NSFetchRequest
*fetchRequest = [NSFetchRequest fetchRequestWithEntityName:@"LOStudentEntity"];

NSPredicate *predicate = [NSPredicate predicateWithFormat:@"loclass.name = %@",self.loclass.name];

fetchRequest.predicate = predicate;

NSError *error = nil;

NSArray *loStudentArray = [[CoreDataManager defaultManager].managedObjectContext executeFetchRequest:fetchRequest error:&error];

推送

UILocalNotification *localNotification = [[UILocalNotification alloc] init];

//五秒钟之后执行

localNotification.fireDate = [NSDate dateWithTimeIntervalSinceNow:5];

//提示内容

localNotification.alertBody = @"该起床了";

//设置音效

localNotification.soundName = @"管钟琴.caf";

//设置启动图片

localNotification.alertLaunchImage = @"link_page_2";

//设置确认按钮的标题

localNotification.alertAction = @"啦啦啦";

//

localNotification.applicationIconBadgeNumber = 10;

//调用本地通知

[[UIApplication sharedApplication] scheduleLocalNotification:localNotification];

 

常用宏定义

log输出

#define
NEED_OUTPUT_LOG                     0

#if
NEED_OUTPUT_LOG

#define SLog(xx, ...)   NSLog(xx, ##__VA_ARGS__)

#define SLLog(xx, ...)  NSLog(@"%s(%d): " xx,
__PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)

#define SLLogRect(rect) \

SLLog(@"%s x=%f, y=%f, w=%f,
h=%f", #rect, rect.origin.x, rect.origin.y, \

rect.size.width, rect.size.height)

#define SLLogPoint(pt) \

SLLog(@"%s x=%f, y=%f", #pt,
pt.x, pt.y)

#define SLLogSize(size) \

SLLog(@"%s w=%f, h=%f", #size,
size.width, size.height)

#define SLLogRange(range) \

SLLog(@"%s loc=%ld,
len=%ld",#range,range.location,range.length)

#define SLLogColor(_COLOR) \

SLLog(@"%s h=%f, s=%f, v=%f",
#_COLOR, _COLOR.hue, _COLOR.saturation, _COLOR.value)

#define SLLogSuperViews(_VIEW) \

{ for (UIView* view = _VIEW; view; view =
view.superview) { SLLog(@"%@", view); } }

#define SLLogSubViews(_VIEW) \

{ for (UIView* view in [_VIEW subviews]) {
SLLog(@"%@", view); } }

#else

#define SLog(xx, ...)  ((void)0)

#define SLLog(xx, ...)  ((void)0)

#endif

//———————————————————————颜色类———————————————————————————-----—————————————

// rgb颜色转换(16进制->10进制)

#define
UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue &
0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >>
8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]

//带有RGBA的颜色设置

#define COLOR(R,
G, B, A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A]

// 获取RGB颜色

#define RGBA(r,g,b,a)
[UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:a]

#define RGB(r,g,b)
RGBA(r,g,b,1.0f)

//背景色

#define
BACKGROUND_COLOR [UIColor colorWithRed:242.0/255.0 green:236.0/255.0
blue:231.0/255.0 alpha:1.0]

//清除背景色

#define CLEARCOLOR
[UIColor clearColor]

#pragma mark -
color functions

#define
RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f
blue:(b)/255.0f alpha:1]

#define
RGBACOLOR(r,g,b,a) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f
alpha:(a)]

// 安全释放

#define RELEASE_SAFELY(__Pointer)
do{[__Pointer release],__Pointer = nil;} while(0)

// 屏幕的物理高度

#define 
ScreenHeight  [UIScreen
mainScreen].bounds.size.height

// 屏幕的物理宽度

#define 
ScreenWidth   [UIScreen mainScreen].bounds.size.width

// 调试

#define NSLOG_FUNCTION
NSLog(@"%s,%d",__FUNCTION__,__LINE__)

系统设备

1//----------------------系统----------------------------

2

3//获取系统版本

4#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]

5#define CurrentSystemVersion [[UIDevice currentDevice] systemVersion]

6

7//获取当前语言

8#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])

9

10   
//判断是否 Retina屏、设备是否%fhone 5、是否是iPad

11   
#define isRetina ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) : NO)

12   
#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)

13   
#define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

14

15

16   
//判断是真机还是模拟器

17   
#if TARGET_OS_IPHONE

18   
//iPhone Device

19   
#endif

20

21   
#if TARGET_IPHONE_SIMULATOR

22   
//iPhone Simulator

23   
#endif

24

25   
//检查系统版本

26   
#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)

27   
#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)

28   
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)

29   
#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)

30   
#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

图片

31   
//读取本地图片

32   
#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:ext]]

33

34   
//定义UIImage对象

35   
#define IMAGE(A) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:A ofType:nil]]

36

37   
//定义UIImage对象

38   
#define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer]]

39

//建议使用前两种宏定义,性能高于后者

40   
//设置View的tag属性

41   
#define VIEWWITHTAG(_OBJECT, _TAG)    [_OBJECT viewWithTag : _TAG]

42   
//程序的本地化,引用国际化的文件

43   
#define MyLocal(x, ...) NSLocalizedString(x, nil)

44

45   
//G-C-D

46   
#define BACK(block) dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), block)

47   
#define MAIN(block) dispatch_async(dispatch_get_main_queue(),block)

48

49   
//NSUserDefaults 实例化

50   
#define USER_DEFAULT [NSUserDefaults standardUserDefaults]

51

52

53   
//由角度获取弧度 有弧度获取角度

54   
#define degreesToRadian(x) (M_PI * (x) / 180.0)

55   
#define radianToDegrees(radian) (radian*180.0)/(M_PI)

56

POST上传时,将汉字进行编码

//点击搜索按钮获取搜索列表url

NSString *urlString = [NSString stringWithFormat:@"%@", @"http://iphonenew.ecartoon.net/book_list.php?type=3&sub="];

IOSExcept.listTitleString = self.searchTextFiled.text;

//将文字 进行编码

// NSString *contentString = [IOSExcept.listTitleString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

/* POST 上传是汉字格式为%AE ,可以用下方法 替换  */

NSString *contentString = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)

IOSExcept.listTitleString

, NULL, NULL, kCFStringEncodingUTF8);

IOSExcept.listURLString = [NSString stringWithFormat:@"%@%@",urlString,contentString];

NSLog(@"url : %@",IOSExcept.listURLString );

//重新搜

[IOSExcept.categoryListObjectArray removeAllObjects];

IOSExcept.requestData = nil;

[self.navigationController pushViewController:IOS.comicListViewController animated:YES];