摘要: 遵守UITextFieldDelegate 协议, 设置 tf.delegate = self;然后在该方法中这样做- (void)textFieldDidBeginEditing:(UITextField *)textField { UITextField *tf = [self.view vi... 阅读全文
posted @ 2016-01-26 12:52 YouNeedCourage 阅读(989) 评论(0) 推荐(0) 编辑