点击键盘上的“Next”button实现文本框焦点跳转

版权声明：本文为博主原创文章，未经博主同意不得转载。 https://blog.csdn.net/quanqinayng/article/details/24405431

- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
    if ([m_phoneTextField isFirstResponder]) {
        [m_psdTextField becomeFirstResponder];//跳转到password栏
    }else if ([m_psdTextField isFirstResponder]){
        [m_phoneTextField resignFirstResponder];//输入password后点击return键盘消失
        [m_psdTextField resignFirstResponder];
    }
    return YES;
}