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  • ajax验证用户名和找回密码参考

     1 // JavaScript Document
     2 function chkname(form){
     3     var user = form.user.value;
     4     if(user == ''){
     5         alert('请输入用户名');
     6         form.user.focus();
     7         return false;
     8     }else{
     9         var url = "foundpwd.php?user="+user;
    10         xmlhttp.open("GET",url,true);
    11         xmlhttp.onreadystatechange = function(){
    12         if(xmlhttp.readyState == 4){
    13                 var msg = xmlhttp.responseText;
    14                 if(msg == '0'){
    15                     alert('没有该用户,请重新查找!');
    16                     form.user.select();
    17                     return false;
    18                 }else{
    19                     document.getElementById('first').style.display = 'none';
    20                     document.getElementById('second').style.display = '';
    21                     document.getElementById('question').innerHTML = msg;
    22                 }
    23             }
    24         }
    25         xmlhttp.send(null);
    26     }
    27 }
    28 function chkanswer(form) {
    29     var user = document.getElementById('user').value;
    30     var answer = form.answer.value;
    31     if(answer == ''){
    32         alert('请输入提示问题');
    33         form.answer.focus();
    34         return false;
    35     }else{
    36         var url = "foundpwd.php?user="+user+"&answer="+answer;
    37         xmlhttp.open("GET",url,true);
    38         xmlhttp.onreadystatechange = function(){
    39             if(xmlhttp.readyState == 4){
    40                 var msg = xmlhttp.responseText;
    41                 if(msg == '0'){
    42                     alert('问题回答错误');
    43                     form.answer.select();
    44                     return false;
    45                 }else{
    46                     document.getElementById('second').style.display = 'none';
    47                     document.getElementById('third').style.display = '';
    48                 }
    49             }
    50         }
    51         xmlhttp.send(null);
    52     }
    53 }
    54 function chkpwd(form){
    55     var user = document.getElementById('user').value;
    56     var pwd1 = form.pwd1.value;
    57     var pwd2 = form.pwd2.value;
    58     if(pwd1 == ''){
    59         alert('请输入密码');
    60         form.pwd1.focus();
    61         return false;
    62     }
    63     if(pwd1.length < 6){
    64         alert('密码输入错误');
    65         form.pwd1.focus();
    66         return false;
    67     }
    68     if(pwd1 != pwd2){
    69         alert('两次密码不相等');
    70         form.pwd2.select();
    71         return false;
    72     }
    73     var url = "foundpwd.php?user="+user+"&password="+pwd1;
    74     xmlhttp.open("GET",url,true);
    75     xmlhttp.onreadystatechange = function(){
    76         if(xmlhttp.readyState == 4){
    77             var msg = xmlhttp.responseText;
    78             if(msg == '1'){
    79                 alert('密码修改成功,请重新登录');
    80                 window.close();
    81             }else{
    82                 alert(msg);
    83             }
    84         }
    85     }
    86     xmlhttp.send(null);
    87 }
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  • 原文地址:https://www.cnblogs.com/adstat/p/3852173.html
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