UILabel :
UIView <NSCoding>
1.创建一个UILabel对象
UILabel *label = [[UILabel
alloc]initWithFrame:CGRectMake(30,
30, 280,
60)];
2.backgroundColor
背景颜色
3.text
显示的文本信息
eg:label.text =
@"显示的文本信息";
4.textColor
文本颜色
eg:label.textColor = [UIColor
yellowColor];
5.shadowColor
文本阴影颜色
eg:label.shadowColor = [UIColor
blueColor];
6.shadowOffset
文本阴影偏移量
eg:label.shadowOffset =
CGSizeMake(3, 3);
7.textAlignment
文本格式处理(对齐方式)
eg:label.textAlignment =
NSTextAlignmentCenter;
8.lineBreakMode
当文本过长时, label显示的断行方式
eg:label.lineBreakMode =
NSLineBreakByTruncatingHead;
9.numberOfLines
控制label显示的行数
eg:label.numberOfLines =
0;
10.font
字体大小 系统默认字体大小17
eg:label.font = [UIFont
systemFontOfSize:20];
UITextField :
UIControl <UITextInput,
NSCoding>
1.创建一个UITextField对象
UITextField *name = [[UITextFieldalloc]initWithFrame:CGRectMake(30,100,
280, 30)];
2.placeholder
默认的占位字符串 一旦输入
自己主动隐藏
eg:name.placeholder =
@"请在这里输入";
3.secureTextEntry
输入转换为黑点
eg:name.secureTextEntry =
YES;
4.keyboardType
更改键盘类型
name.keyboardType =
UIKeyboardTypeASCIICapable;
5.borderStyle
外观控制
name.borderStyle =
UITextBorderStyleRoundedRect;
6.clearButtonMode
清除button
name.clearButtonMode =
UITextFieldViewModeWhileEditing;
7.backgroundColor
背景颜色
8.回收键盘操作
[textField resignFirstResponder];
9.- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField;
//是否同意输入
10.- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString
*)string;
//限制输入字符
eg: if ([string
isEqualToString:@"a"]) {
return
NO;
}
NSLog(@"%@",string);
return
YES;
11.- (BOOL)textFieldShouldReturn:(UITextField *)textField;
//返回button调用方法