今天就跟大家聊聊有關(guān)iOS中怎么自定義一個(gè)日期選擇器,可能很多人都不太了解,為了讓大家更加了解,小編給大家總結(jié)了以下內(nèi)容,希望大家根據(jù)這篇文章可以有所收獲。

一、封裝日期選擇器類YCDatePickerView
1、新建一個(gè)類,基于UIView,取名YCDatePickerView。
2、YCDatePickerView類中.h文件代碼如下:
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類中.m文件代碼如下:
#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:@"確定" 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中導(dǎo)入頭文件
#import "YCDatePickerView.h"
2、在ViewController.m中添加如下代碼
#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 = @"請(qǐng)輸入開始時(shí)間";
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 = @"請(qǐng)輸入結(jié)束時(shí)間";
end.borderStyle = UITextBorderStyleRoundedRect;
[self.view addSubview:end];
end.inputView = [YCDatePickerView datePickerViewWithMode:UIDatePickerModeDate
bolck:^(NSDate *result) {
if (result) {
end.text = [weakself dateToString:result];
}
[end resignFirstResponder];
}];
}
//日期轉(zhuǎn)為字符串
- (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看完上述內(nèi)容,你們對(duì)iOS中怎么自定義一個(gè)日期選擇器有進(jìn)一步的了解嗎?如果還想了解更多知識(shí)或者相關(guān)內(nèi)容,請(qǐng)關(guān)注創(chuàng)新互聯(lián)網(wǎng)站建設(shè)公司行業(yè)資訊頻道,感謝大家的支持。
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