/** *  创建时间选择器 */- (void)createPickerView {    self.datePicker = [[UIDatePicker alloc] init];    _datePicker.backgroundColor = [UIColor whiteColor];    // 设置只显示中文    [_datePicker setLocale:[NSLocale localeWithLocaleIdentifier:@"zh-CN"]];    // 设置只显示日期    _datePicker.datePickerMode = UIDatePickerModeDate;    // 当光标移动到文本框时, 召出时间选择器    self.birthTextField.inputView = _datePicker;    // 创建工具条    UIToolbar *toolBar = [[UIToolbar alloc] init];
// 设置背景色    toolBar.barTintColor = [UIColor whiteColor];    toolBar.frame = CGRectMake(0, 0, SCREEN_WIDTH, 30);    // 给工具条添加按钮    UIBarButtonItem *cancleItem = [[UIBarButtonItem alloc] initWithTitle:@"取消" style:UIBarButtonItemStylePlain target:self action:@selector(cancel)];    UIBarButtonItem *spaceItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:self action:nil];    // 设置UIBarButtonSystemItemFixedSpace的宽度    spaceItem.width = SCREEN_WIDTH - 100;    UIBarButtonItem *sureItem = [[UIBarButtonItem alloc] initWithTitle:@"确认" style:UIBarButtonItemStylePlain target:self action:@selector(sure)];
    // 设置字体颜色    toolBar.tintColor = [UIColor redColor];    toolBar.items = @[cancleItem, spaceItem, sureItem];    // 设置文本输入框键盘的辅助视图    self.birthTextField.inputAccessoryView = toolBar;}/** *  点击取消按钮 * *  @param datePicker */- (void)cancel {    }/** *  点击确定按钮 * *  @param datePicker */- (void)sure {    NSString *date = [NSString stringWithFormat:@"%@", _datePicker.date];    NSString *birth = [date substringToIndex:10];    self.birthTextField.text = birth;    [_birthTextField resignFirstResponder];}