JS控制显示表单个数

it2025-02-03  7

<html> <head> <title>Untitled Document</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> </head><LINK href="../hellking.css" type=text/css rel=stylesheet> <body> <%request.setCharacterEncoding("gb2312"); %> <script type="text/javascript">    function setid()    {    str='<br>';    if(!window.form1.upcount.value)     window.form1.upcount.value=1;    if(window.form1.upcount.value>100){    alert("您最多只能同时上传100个文件0");    window.form1.upcount.value = 100;    setid();    }    else{     for(i=1;i<=window.form1.upcount.value;i++)       str+='<div>文件'+i+':<input type="file" name="file'+i+'"></div><br><br>';    window.upid.innerHTML=str+'<br>';}    }  </script>

<form name="form1" method="post" action="BookAction_do.jsp?action=${param.action}" >

 

  <div>   <table border="1" cellspacing="0" cellpadding="5" bordercolordark="#CCCCCC" bordercolorlight="#000000" bordercolor="#FFFFFF" style="border-collapse: collapse" height="169">     <tr bgcolor="#CC0CCC">       <td height="28" align="left" valign="middle" bgcolor="#C0CCCC">&nbsp;         <div><font size="3"><b>文件上传</b></font></div>       </td>     </tr>     <tr align="left" valign="middle" bgcolor="#eeeeee">       <td bgcolor="#eeeeee" height="92" valign="top"> <br>         <table border="0" cellspacing="1" cellpadding="2">

          <tr>             <td><font color="#FF0000"><b>*</b></font>上传的文件大小不能超过<font color="#FF0000">999999999</font>个字节</td>           </tr>           <tr>             <td>

              <b><font color="#FF0000">*</font></b>每次可以设置同时上传<font color="#FF0000">100</font>个文件。<br>

              设置上传的个数               <input type="text" value="1" name="upcount" size="20">               <input type="button" name="Button"  onClick="setid();" value="设定">

            </td>           </tr>

        </table>       </td>     </tr>     <tr>       <td id="upid">         <div>文件1:           <input type="file" name="file1">         </div>       </td>     </tr>

  </table> </div> <br>   <tr align="center" valign="middle" bgcolor="#eeeeee">       <td bgcolor="#ccc000" height="33">         <input type="submit" name="Submit" value="确定">         <input type="reset" name="Submit2" value="重执">       </td>     </tr> </table></form> </body> </html>

 

转载于:https://www.cnblogs.com/huhu/archive/2005/03/22/123225.html

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