iOS 开发 - UITextFieldDelegateMethod注释记录

#pragma mark UITextFieldDelegateMethod//当输入框被激活- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField {    return YES;}//当输入框被激活- (void)textFieldDidBeginEditing:(UITextField *)textField {    }//当输入框取消激活- (BOOL)textFieldShouldEndEditing:(UITextField *)textField {    return YES;}//当输入框取消激活- (void)textFieldDidEndEditing:(UITextField *)textField {    }//当输入框值（string）开始改变时...- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {    NSLog(@"%@",string);    return YES;}- (BOOL)textFieldShouldClear:(UITextField *)textField {    return YES;}- (BOOL)textFieldShouldReturn:(UITextField *)textField {    return YES;}