请帮我看看邮件验证程序不行

check邮件格式的话用正则表达式吧 Google一下很多

解决方案 »

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<html >
<head >
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" / >
<title >Untitled Document </title >
</head >
<Script   language="javascript"  >
function validate_form() {
validity = true;
if (!check_empty(document.form.name.value))
{
    alert(  'Sorry!Please Fill in your name  ');
    return false;
}

if (!check_email(document.form.email.value))
{
    alert(  'Sorry!Please Fill in the correct Email address  ');
    return false;
}

if (!check_empty(document.form.company.value))
{

    alert(  'Sorry!Please Fill in your company  ');
    return false;
}


return true;
} function check_empty(text) {
    return (text.length   > 0);
}
function check_email(email) {
    //var pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
    var pattern = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
    flag = pattern.test(email);
    if(!flag&&email.length>0){
　       return false;
    }
    return true;
}
</Script >
<body  >
     <form name="form" onSubmit="return validate_form()" method="post" action="mailto:[email protected]?subject=Register Training" enctype="text/plain"  >
       <p >You can press "Ctrl" for multiple selection        </p >
       <p >
         <Select   Name="The Trainings"   Multiple >
           <Option value="1.Grounding type according to IEC 60364-4-41 and their protection" Selected >Grounding type according to IEC 60364-4-41 and their protection </Option >
           <Option value="2.Power Quality problem and the mitigation solutions" >Power Quality problem and the mitigation solutions </Option >
           <Option value="3.Lightning protection earth measurement and soil resistivity measurement" >Lightning protection earth measurement and soil resistivity measurement </Option >
           <Option value="4.Power factor and harmonics correction" >Power factor and harmonics correction </Option >
           <Option value="5.Communication protocol & software training" >Communication protocol & software training </Option >
         </Select >
       </p >
       <p align="center"  >  <font size="3"  >  <b  >  <font size="4" face="Verdana, Arial, Helvetica, sans-serif"  >Name  </font  >:  </b  >  </font  >
       <input name="name" type="text" id="name" size=46  >
       <br  >
       <b  >  <font size="4" face="Verdana, Arial, Helvetica, sans-serif"  >Email  </font  >  <font size="4"  >  </font  >  <font size="3"  >:   </font  >  </b  >
       <input name="email" type="text" id="email" size=46  >
       <br  >
       <b  >  <font size="4" face="Verdana, Arial, Helvetica, sans-serif"  >Company  </font  >  <font size="4"  >  </font  >  <font size="3"  >:   </font  >  </b  >
       <input name="company" type="text" id="company" size=46  >
       <br  >
       <b  >  <font size="4" face="Verdana, Arial, Helvetica, sans-serif"  >Telephone  </font  >  <font size="4"  >  </font  >  <font size="3"  >:   </font  >  </b  >
       <input name="telephone" type="text" id="telephone" size=46  >
       <br  >
       <b  >  <font size="4" face="Verdana, Arial, Helvetica, sans-serif"  >Comments  </font  >  <font size="4"  >  </font  >  <font size="3"  >:  </font  >  </b  >
       <br  >
       <textarea name="comments" rows=8 cols=45 wrap=virtual id="txt"  >  </textarea  >
     </p  >
   </div  >   </td  >
   </tr  >
   <tr  >
   <td  >
     <div align="center"  >
       <div align="center"  >
       <br  >
        <input type="submit" value="Send" >
        <input type="reset" value="Reset" >
     </div  >
     </form  >
</body  >
</html  >
publina:
我故意不填内容，好像只能提醒，name和company，email提醒不了亚。