JS 判断邮箱格式是否正确，注册时两次输入密码是否一致(转)

JS 判断邮箱格式是否正确，注册时两次输入密码是否一致，  用户名等输入不能为空，输入的长度控制。

 

 

[html] view plaincopyprint?
  1.     <script type="text/javascript">  
  2.     var b = new Boolean();  
  3.     b = false;  
  4.     var b2 = new Boolean();  
  5.     b2 = false;  
  6.     function checkSubmit(){  
  7.         var userName = form1.userName.value;  
  8.         var passWord = form1.passWord.value;  
  9.         var passWordDemo = form1.passWordDemo.value;  
  10.         var email =  form1.email.value;  
  11.         if(userName!=0){  
  12.             if(passWord!=0){  
  13.                 if(passWordDemo!=0){  
  14.                     if(email!=0)  
  15.                     {  
  16.                         if(b){  
  17.                             if(userName.length<20 && userName.length>4)  
  18.                             {  
  19.                                 if(passWord.length<25 && passWord.length>5){  
  20.                                     if(b2){  
  21.                                         document.form1.submit();  
  22.                                     }else{  
  23.                                         alert("两次输入的密码不一致！");  
  24.                                     }  
  25.                                 }else{  
  26.                                     alert("密码长度必须在6-25个字符之间！");  
  27.                                 }  
  28.                                   
  29.                             }else{  
  30.                                 alert("用户名长度必须在5-20个字符之间！")  
  31.                             }  
  32.                         }else{  
  33.                             alert("请您确认您的邮箱是否填写正确！");                             
  34.                         }  
  35.                     }else{  
  36.                         alert("请您先填写用来找回密码的邮箱！");  
  37.                     }  
  38.                 }else{  
  39.                     alert("您还没有填写确认密码!");  
  40.                 }  
  41.             }else{  
  42.                 alert("请您先填写要注册的用户密码！");  
  43.             }  
  44.         }else{  
  45.             alert("请您先填写要注册的用户名！");  
  46.         }  
  47.     }  
  48.       
  49.     function isPassWord(passWord,passWordDemo){  
  50.       
  51.         var passWord = document.getElementById(passWord).value;  
  52.         var passWordDemo = document.getElementById(passWordDemo).value;  
  53.   
  54.           
  55.         if(passWordDemo　!= passWord){  
  56.             document.getElementById('spantest2').innerText = "两次输入的密码不一致！ ";  
  57.             b2 = false;  
  58.             return false;  
  59.         }else{  
  60.             document.getElementById('spantest2').innerText = "正确";  
  61.             b2 = true;  
  62.             return true;  
  63.         }  
  64.     }  
  65.       
  66.     function isEmail(email) {   
  67.     var strEmail=document.getElementById(email).value;   
  68.     if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)   
  69.     {   
  70.             document.getElementById('spantest').innerText = "邮箱格式正确";  
  71.             b = true;  
  72.             return true;   
  73.     }else{   
  74.             document.getElementById('spantest').innerText = "邮箱格式错误！";  
  75.             document.getElementById(email).focus();   
  76.             b = false;  
  77.             return false;   
  78.     }   
  79.       
  80.   
  81. }   
  82. </script>  

 

 

上面是js代码

下面是html部分代码：

定义<span>或者div来接受js中的结果。

<span id="spantest2"></span>

posted on 2012-05-04 11:39  shyhoo  阅读(1627)  评论(0)    收藏  举报

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