前言
封装了一个日期选择器，解决两个问题：
1、点击textfield，键盘弹出和日期选择器弹出的逻辑处理；
2、同一个界面需要多次用到日期选择器时，判断点击的textfield;
一、封装日期选择器类ycdatepickerview
1、新建一个类，基于uiview，取名ycdatepickerview。
2、ycdatepickerview类中.h文件代码如下：
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typedef void (^mybasicblock)(id result);#import <uikit/uikit.h>@interface ycdatepickerview : uiview@property (nonatomic, strong) uibutton *btnconfirm;@property (nonatomic, strong) uibutton *btncancel;@property (nonatomic, strong) uidatepicker *datepicker;@property (nonatomic, copy) mybasicblock selectblock;+ (ycdatepickerview *)datepickerviewwithmode:(uidatepickermode) datepickermode bolck:(mybasicblock)block;@end |
3、ycdatepickerview类中.m文件代码如下：
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#define screen_width [[uiscreen mainscreen] bounds].size.width#define screen_height [[uiscreen mainscreen] bounds].size.height#define ktopbarviewheight 40#define kbutton_width 40#define kbutton_height 40#define kdatepicker_height 256#import "ycdatepickerview.h"@implementation ycdatepickerview- (id)initwithframe:(cgrect)frame{ self = [super initwithframe:frame]; if (self) { uiview *topbarview = [[uiview alloc] initwithframe:cgrectmake(0, 0, self.frame.size.width, ktopbarviewheight)]; topbarview.backgroundcolor = [uicolor orangecolor]; [self addsubview:topbarview]; _btnconfirm = [[uibutton alloc] initwithframe:cgrectmake(self.frame.size.width-kbutton_width-10, 0, kbutton_width, kbutton_height)]; [_btnconfirm addtarget:self action:@selector(btnconfirm:) forcontrolevents:uicontroleventtouchupinside]; [_btnconfirm settitle:@"确定" forstate:uicontrolstatenormal]; [topbarview addsubview:_btnconfirm]; _btncancel = [[uibutton alloc] initwithframe:cgrectmake(10, 0, kbutton_width, kbutton_height)]; [_btncancel addtarget:self action:@selector(btncancel:) forcontrolevents:uicontroleventtouchupinside]; [_btncancel settitle:@"取消" forstate:uicontrolstatenormal]; [topbarview addsubview:_btncancel]; _datepicker = [[uidatepicker alloc] initwithframe:cgrectmake(0, cgrectgetmaxy(topbarview.frame), self.frame.size.width, self.frame.size.height-ktopbarviewheight)]; _datepicker.backgroundcolor = [uicolor whitecolor]; [self addsubview:_datepicker]; } return self;}- (void)btnconfirm:(id)sender{ if (self.selectblock) { self.selectblock(self.datepicker.date); }}- (void)btncancel:(id)sender{ if (self.selectblock) { self.selectblock(nil); }}+ (ycdatepickerview *)datepickerviewwithmode:(uidatepickermode) datepickermode bolck:(mybasicblock)block{ ycdatepickerview *picker = [[ycdatepickerview alloc] initwithframe:cgrectmake(0, 0, screen_width, kdatepicker_height)]; picker.datepicker.datepickermode = datepickermode; picker.selectblock = block; return picker;}@end |
二、ycdatepickerview的使用
1、在viewcontroller中导入头文件
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#import "ycdatepickerview.h" |
2、在viewcontroller.m中添加如下代码
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#define screen_width [[uiscreen mainscreen] bounds].size.width#define screen_height [[uiscreen mainscreen] bounds].size.height#import "viewcontroller.h"#import "ycdatepickerview.h"@interface viewcontroller ()@property (retain, nonatomic) ycdatepickerview *datepicker;@end@implementation viewcontroller- (void)viewdidload { [super viewdidload]; uitextfield *begin = [[uitextfield alloc] initwithframe:cgrectmake(10, 70, screen_width-20, 30)]; begin.placeholder = @"请输入开始时间"; begin.borderstyle = uitextborderstyleroundedrect; [self.view addsubview:begin]; __weak viewcontroller *weakself = self; begin.inputview = [ycdatepickerview datepickerviewwithmode:uidatepickermodedate bolck:^(nsdate *result) { if (result) { begin.text = [weakself datetostring:result]; } [begin resignfirstresponder]; }]; uitextfield *end = [[uitextfield alloc] initwithframe:cgrectmake(10, 120, screen_width-20, 30)]; end.placeholder = @"请输入结束时间"; end.borderstyle = uitextborderstyleroundedrect; [self.view addsubview:end]; end.inputview = [ycdatepickerview datepickerviewwithmode:uidatepickermodedate bolck:^(nsdate *result) { if (result) { end.text = [weakself datetostring:result]; } [end resignfirstresponder]; }];}//日期转为字符串- (nsstring *)datetostring:(nsdate *)date{ nsdateformatter *dateformatter = [[nsdateformatter alloc] init]; [dateformatter setdateformat:@"yyyy-mm-dd hh:mm:ss"]; nsstring *strdate = [dateformatter stringfromdate:date]; return strdate;}@end |
三、效果图
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。
原文链接：https://blog.csdn.net/u010545480/article/details/50537454
