Struts1.X 上传多个文件

一开始没有引入

commons-io-1.4.jar

commons-fileupload-1.2.2.jar

报错

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java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileUploadException

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Jsp:

<form action="/uploadAll.do" method="post" enctype="multipart/form-data" >     <input type="file" name="f1">     <input type="file" name="f2">     <input type="file" name="f3">

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<--特别注意，这里多个input:file的name属性必须有并各不相同-->

......</form>Action：public ActionForward execute(ActionMapping mapping, ActionForm form,   HttpServletRequest request, HttpServletResponse response) {MultipartRequestHandler MRH = form.getMultipartRequestHandler();Hashtable fes = MRH.getFileElements();Collection values = fes.values();for (java.util.Iterator i = values.iterator(); i.hasNext();) {    FormFile file = (FormFile) i.next();    InputStream inStream = file.getInputStream();    OutputStream outStream = new FileOutputStream("D:\\xxx.x");    int bytesRead = 0;    byte[] buffer = new byte[8192];    while ((bytesRead = inStream.read(buffer, 0, 8192)) != -1) {             outStream.write(buffer, 0, bytesRead);    }    inStream.close();    outStream.close();    file.destory();}......}

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这里只列出关键代码，Action的配置等和其它并无不同，就不多说了。还有FileForm的其它一些方法大家自己去看就好。

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