UITextField 後面加入小x 清除 輸入 資料 / 清除的事件

step1.

 UITextField *endTextField;

endTextField = [[UITextField alloc] initWithFrame:CGRectMake(10, 50, 300, 30)];

    [contentBaseView addSubview:endTextField];

endTextField.delegate = self;

    

endTextField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;

    

//加入後面的小xx

endTextField.clearButtonMode = UITextFieldViewModeWhileEditing;

step2.

//這是textfield 清除的事件

-(BOOL)textFieldShouldClear:(UITextField *)textField

{

    //NSLog(@"check in textFieldShouldClear");

    textField.text = @"";

    self.period.endDate = nil;

    return YES;

}