本文实例为大家分享了ios自定义选择框的具体代码，供大家参考，具体内容如下
效果图：
工程图：
代码：
rootviewcontroller.h
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#import <uikit/uikit.h>
#import "cycustommultiselectpickerview.h"
@interface rootviewcontroller : uiviewcontroller
<cycustommultiselectpickerviewdelegate>
{
cycustommultiselectpickerview *multipickerview;
uilabel *picklabel;
}
@end
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rootviewcontroller.m
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#import "rootviewcontroller.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)viewdidload
{
[super viewdidload];
// do any additional setup after loading the view.
self.title=@"alpickerview";
picklabel=[[uilabel alloc]initwithframe:cgrectmake(10, 100, 100, 50)];
picklabel.backgroundcolor=[uicolor orangecolor];
picklabel.textalignment=nstextalignmentcenter;
[self.view addsubview:picklabel];
}
//随意点击任意处，弹出选择框
-(void)touchesbegan:(nsset *)touches withevent:(uievent *)event
{
[self initpickerview];
}
-(void)initpickerview
{
for (uiview *view in self.view.subviews) {
if ([view iskindofclass:[cycustommultiselectpickerview class]]) {
[view removefromsuperview];
}
}
multipickerview = [[cycustommultiselectpickerview alloc] initwithframe:cgrectmake(0,[uiscreen mainscreen].bounds.size.height - 260-20, 320, 260+44)];
multipickerview.backgroundcolor = [uicolor clearcolor];
multipickerview.entriesarray = [nsmutablearray arraywithobjects:@"one",@"two",@"three",@"four",@"five",@"six",@"seven", nil];
multipickerview.entriesselectedarray = [nsmutablearray arraywithobject:@"one"];
multipickerview.multipickerdelegate = self;
[self.view addsubview:multipickerview];
[multipickerview pickershow];
}
#pragma -mark -picker delegate
//点击确定要执行的操作
-(void)returnchoosedpickerstring:(nsmutablearray *)selectedentriesarr
{
nslog(@"returnchoosedpickerstring");
nsmutablearray* newarray = [nsmutablearray array];
for (nsstring* str in selectedentriesarr) {
[newarray addobject:str];
}
nsstring *endstr = [newarray componentsjoinedbystring:@","];
picklabel.text=endstr;
}
- (void)didreceivememorywarning
{
[super didreceivememorywarning];
// dispose of any resources that can be recreated.
}
@end
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。