日期:2014-05-17  浏览次数:20863 次

菜鸟求救~帮帮我~只给20分,因为只能给20分....
刚学ASP的菜鸟   碰到一个问题解决不了

如何用VBScript判断用户输入的是不是空值?或者让用户只能输入数字?我去网上下载的源代码看的不是很明白   ,JS又不会   麻烦谁能帮帮我啊!
我做了这样一个程序
代码如下:
<html>
<head>
<title> 填写留言 </title>
<link   href= "style.css "   rel= "stylesheet "   type= "text/css ">
<style   type= "text/css ">
<!--
.STYLE4   {font-size:   12px}
body   {
background-image:   url(img/bg_blackblue.gif);
}
.STYLE5   {
color:   #000000;
font-size:   14px;
}
-->
</style>
<meta   http-equiv= "Content-Type "   content= "text/html;   charset=gb2312 "> </head>
<body>
<form   action= "addsave.asp "   method= "post "   name= "add ">
    <table   width= "359 "   border= "0 "   align= "center "   cellpadding= "2 "   cellspacing= "0 ">
        <tr>
            <td   height= "40 "   colspan= "2 "   align= "center "> <span   class= "text3   STYLE4   STYLE5 "> <strong> 填写留言 </strong> </span> </td>
        </tr>
        <tr>
            <td   width= "115 "> <P   class= "STYLE4 "   style= "MARGIN-TOP:   2px;   MARGIN-LEFT:   80px "> 姓名: </p> </td>
            <td   width= "236 "> <input   name= "user "   type= "text "   id= "user "> </td>
        </tr>
        <tr>
            <td> <P   class= "STYLE4 "   style= "MARGIN-TOP:   2px;   MARGIN-LEFT:   80px "> QQ号: </p> </td>
            <td> <input   type= "text "   name= "qq "> </td>
        </tr>
        <tr>
            <td> <p   align= "right "   class= "STYLE4 "> 主页   :   </p> </td>
            <td> <label   for= "textfield "> </label>
            <input   type= "text "   name= "home "   id= "home "> </td>
        </tr>
        <tr>
            <td> <P   align= "left "   class= "STYLE4 "   style= "MARGIN-TOP:   2px;   MARGIN-LEFT:   80px "> 邮件: </p> </td>
            <td> <input   type= "text "   name= "email ">             </td>
        </tr>
        <tr>
            &