jsp上传多个文件smartupload.jar

显示层代码:

 

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>

 

 

 

<%@ page import="com.jspsmart.upload.*" %>

 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

 

<html>

 

  <head>    

 

    <title>My JSP 'index.jsp' starting page</title>

 

    <script type="text/javascript">

 

    function addFile(){

 

    var myTB = document.getElementByIdx_x_x("myTB");

 

    var rowNum = myTB.rows.length;

 

    var newRow = myTB.insertRow(rowNum);

 

    var cells_0 = newRow.insertCell(0);

 

    cells_0.innerHTML = "上传文件:";

 

    var cells_1 = newRow.insertCell(1);

 

    cells_1.innerHTML = "<input type='file' name='nfile' />";

 

   

 

    }

 

    </script>

 

  </head>

 

  

 

  <body>

 

   <form enctype="multipart/form-data" method="post" action="doUpload.jsp">

 

    <table id="myTB">

 

    <tr>

 

    <td>上传文件:</td>

 

    <td><input type="file" name="nfile" /></td>

 

    </tr>

 

   

 

    </table>

 

   <input type="button" value="添加" onclick="addFile()"><br>

 

   <input type="submit" value="上传">

 

   </form>

 

 

 

  </body>

 

</html>

 

 

 

============================================================================

 

逻辑层代码:

 

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>

 

<%@ page import="com.jspsmart.upload.*" %>

 

<%

 

SmartUpload su = new SmartUpload();

 

su.initialize(pageContext);

 

try{

 

su.setAllowedFilesList("jpg,jpeg,gif");

 

su.setDeniedFilesList("exe");

 

su.setMaxFileSize(1024*1024*1024*5);

 

su.setTotalMaxFileSize(1024*1024*1024*20);

 

su.setCharset("gbk");

 

su.upload();

 

}catch(Exception e){

 

out.print("您选择的文件非法或者长度超限,请检查!");

 

e.printStackTrace();

 

}

 

for(int i=0;i<su.getFiles().getCount();i++){

 

File file = su.getFiles().getFile(i);

 

if(!file.isMissing()){

 

Random rd = new Random();

 

Calendar cd = Calendar.getInstance();

 

String fileName = String.valueOf(cd.get(Calendar.YEAR))+String.valueOf(cd.get(Calendar.MONTH)+1)+String.valueOf(cd.get(Calendar.DATE))+

 

String.valueOf(cd.get(Calendar.MINUTE))+String.valueOf(cd.get(Calendar.SECOND))+String.valueOf(rd.nextInt(100))+"."+file.getFileExt();

 

String path = "upload\\";

 

path += fileName;

 

file.saveAs(path,SmartUpload.SAVE_VIRTUAL);

 

out.print("文件上传成功");

 

}

 

}

%>

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