在网上下载的一个时间选择器，挺简洁好用的，所以进行了改造，加了分类小标题和秒的选择还有代理，希望能帮的上对时间精确度有特殊要求的同胞，直接拷代码上了
.h文件
#import
@protocol DatePickViewDelegate
-(void)timeIsAhoice:(NSArray *)arrs;
- (void)didClickFinishBtn:(NSArray *)array;
@end
@interface DatePickerView : UIView
@property(nonatomic,weak)iddelagate;
@property(nonatomic,strong)UIPickerView *DatePcikView;
@property(nonatomic,assign)int startTimeYear;
@end
.m文件
#import "DatePickerView.h"@interface DatePickerView() {
NSArray *_tempArray;
}
@property(nonatomic,strong)NSMutableArray *dateStrs;
@property(nonatomic,strong)NSArray *currentTimeArrs;
@property(nonatomic,assign)int tempYear;
@property(nonatomic,assign)int tempMouth;
@property(nonatomic,strong)UIButton *cancelbut;
@property (nonatomic , strong) UIView *viewCell;
@end
@implementation DatePickerView
-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
NSLog(@"xxxxxx");
}
- (UIView *)viewCell {
if (!_viewCell) {
_viewCell = [UIView new];
NSArray *temp = @[@"年",@"月",@"日",@"时",@"分",@"秒"];
CGFloat lblWidth = (SCREEN_WIDTH-32)/temp.count;
for (int i = 0; i UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(i*lblWidth, 0, lblWidth, 15)]; label.text = temp[i]; label.font = [UIFont systemFontOfSize:12]; label.textColor = [UIColor colorFromHex:@"999999"]; label.textAlignment = NSTextAlignmentCenter; [_viewCell addSubview:label]; } } return _viewCell; } -(UIButton *)cancelbut{ if (!_cancelbut) { _cancelbut = [UIButton new]; [_cancelbut setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; [_cancelbut setTitle:@"确定" forState:UIControlStateNormal]; [_cancelbut addTarget:self action:@selector(cancelbutClick) forControlEvents:UIControlEventTouchUpInside]; } return _cancelbut; } -(void)cancelbutClick{ if ([self.delagate respondsToSelector:@selector(didClickFinishBtn:)]) { [self.delagate didClickFinishBtn:_tempArray]; } } -(UIPickerView *)DatePcikView{ if (!_DatePcikView) { _DatePcikView = [UIPickerView new]; _DatePcikView.delegate = self; _DatePcikView.dataSource = self; } return _DatePcikView; } - (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView{ return self.dateStrs.count; } - (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component{ return [self.dateStrs[component] count]; } - (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view{ UILabel *myView = nil; myView = [[UILabel alloc] initWithFrame:CGRectMake(0.0, 0.0, 100, 30)]; myView.textAlignment = NSTextAlignmentCenter; myView.text = self.dateStrs[component][row]; myView.font = [UIFont systemFontOfSize:14]; myView.backgroundColor = [UIColor clearColor]; return myView; } -(void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component{ if (component == 0) { NSArray *arrs = [self monthOfDaysByMonthNumber:self.tempMouth andByYear:[self.dateStrs[0][row] intValue]]; self.tempYear = [self.dateStrs[0][row] intValue]; [self.dateStrs replaceObjectAtIndex:2 withObject:arrs]; [pickerView reloadAllComponents]; }else if (component == 1) { NSArray *arrs = [self monthOfDaysByMonthNumber:[self.dateStrs[1][row] intValue] andByYear:self.tempYear]; self.tempMouth = [self.dateStrs[1][row] intValue]; [self.dateStrs replaceObjectAtIndex:2 withObject:arrs]; [pickerView reloadAllComponents]; } NSMutableArray *tempArr = [NSMutableArray array]; for (int i = 0; i < self.dateStrs.count; i++) { [tempArr addObject:self.dateStrs[i][[pickerView selectedRowInComponent:i]]]; } _tempArray = tempArr; if ([self.delagate respondsToSelector:@selector(timeIsAhoice:)]) { [self.delagate timeIsAhoice:tempArr]; } } -(void)layoutSubviews{ [super layoutSubviews]; _cancelbut.frame = CGRectMake(self.frame.size.width-60, 0, 50, 40); _DatePcikView.frame = CGRectMake(16, 52, self.frame.size.width-32, self.frame.size.height-52); _viewCell.frame = CGRectMake(16, 40, SCREEN_WIDTH-32, 12); [_DatePcikView selectRow:[self.currentTimeArrs[0] intValue] - 1990 inComponent:0 animated:NO]; self.tempYear = [self.currentTimeArrs[0] intValue]; [_DatePcikView selectRow:[self.currentTimeArrs[1]intValue] - 1 inComponent:1 animated:NO]; self.tempMouth = [self.currentTimeArrs [1] intValue]; [_DatePcikView selectRow:[self.currentTimeArrs[2]intValue] - 1 inComponent:2 animated:NO]; [_DatePcikView selectRow:[self.currentTimeArrs[3]intValue] inComponent:3 animated:NO]; [_DatePcikView selectRow:[self.currentTimeArrs[4]intValue] inComponent:4 animated:NO]; [_DatePcikView selectRow:[self.currentTimeArrs[5]intValue] inComponent:5 animated:NO]; _tempArray = @[self.currentTimeArrs[0],self.currentTimeArrs[1],self.currentTimeArrs[2],self.currentTimeArrs[3],self.currentTimeArrs[4],self.currentTimeArrs[5]]; } - (instancetype)initWithFrame:(CGRect)frame { self = [super initWithFrame:frame]; if (self) { [self Getdates]; [self addSubview:self.DatePcikView]; [self addSubview:self.cancelbut]; [self addSubview:self.viewCell]; } return self; } -(void)Getdates{ self.dateStrs = [NSMutableArray array]; self.currentTimeArrs =[self getCurrentTime]; for (int i = 0; i < self.currentTimeArrs.count; i++) { NSMutableArray *tempArrs = [NSMutableArray array]; switch (i) { case 0: { for (int j = 1990; j < 2030; j++) { [tempArrs addObject:[NSString stringWithFormat:@"%d",j]]; } [self.dateStrs addObject:tempArrs ]; } break; case 1: { for (int j = 1; j < 13; j++) { [tempArrs addObject:[NSString stringWithFormat:@"%02d",j]]; } [self.dateStrs addObject:tempArrs]; } break; case 2: { tempArrs = [NSMutableArray arrayWithArray:[self monthOfDaysByMonthNumber:[self.currentTimeArrs[1] intValue] andByYear:[self.currentTimeArrs[0] intValue]]]; [_dateStrs addObject:tempArrs]; } break; case 3: { for (int j = 0; j < 24; j++) { [tempArrs addObject:[NSString stringWithFormat:@"%02d",j]]; } [self.dateStrs addObject:tempArrs]; } break; case 4: { for (int j = 0; j < 60; j++) { [tempArrs addObject:[NSString stringWithFormat:@"%02d",j]]; } [self.dateStrs addObject:tempArrs]; } break; case 5: { for (int j = 0; j < 60; j++) { [tempArrs addObject:[NSString stringWithFormat:@"%02d",j]]; } [self.dateStrs addObject:tempArrs]; } break; } } } -(NSArray *)getCurrentTime{ NSDate * senddate=[NSDate date]; NSDateFormatter *dateformatterDay=[[NSDateFormatter alloc] init]; [dateformatterDay setDateFormat:@"YYYY-MM-dd-HH-mm-ss"]; NSString * locationStringDay=[dateformatterDay stringFromDate:senddate]; return [locationStringDay componentsSeparatedByString:@"-"]; } -(NSArray *)monthOfDaysByMonthNumber:(int)monthNumber andByYear:(int)year{ NSMutableArray *daysArr = [NSMutableArray array]; int j = 0; switch (monthNumber) { case 1:case 3:case 5:case 7:case 8:case 10:case 12: { j = 31; } break; case 2: { if((year%4 == 0 && year%100 != 0)|| year%400 == 0){ j = 29; }else{ j = 28; } } break; default: { j = 30; } break; } for (int index = 1; index <= j; index ++) { [daysArr addObject:[NSString stringWithFormat:@"%d",index]]; } return daysArr; } @end // 实现代理方法 - (void)didClickFinishBtn:(NSArray *)array { // 点击确定按钮返回时间，数组，六个元素，年月日时分秒 } // 初始化 - (DatePickerView *)dateView { if (!_dateView) { _dateView = [[DatePickerView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 200)]; _dateView.delagate = self; _dateView.backgroundColor = [UIColor whiteColor]; } return _dateView; } 使用 _textField.inputView = self.dateView;在controller中的调用，添加代理