XLaws的博客

#pragma mark - 限制输入长度 - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {     if (textField == self.textField) {

//修改Placeholder颜色textField.placeholder = @"请输入密码";[textField setValue:[UIColor whiteColor] forKeyPath:@"_placeholderLabel.textColor"];//修改clearButtonMode图片[[textField valueForKey:@"_clearButton"] setI...