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 |
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 |
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。
