@interface ViewController ()
@property (weak, nonatomic) IBOutlet UILabel *haveDateLabel;
@end

- (IBAction)haveDateClick:(id)sender {
    CZHWeakSelf(self);
    [CZHDatePickerView sharePickerViewWithCurrentDate:self.haveDateLabel.text DateBlock:^(NSString *dateString) {
        CZHStrongSelf(self);
        self.haveDateLabel.text = dateString;
    }];
    
}