commons文件上传

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java

Java Apache Servlet HTML

<jsp:directive.page import="java.io.*;"/>
<HTML>
<BODY>
<HR>

<%

String fileName = new String(new java.text.SimpleDateFormat("yyyyMMddhhmmssS", java.util.Locale.US).format(new java.util.Date()).getBytes("iso-8859-1"));

request.setCharacterEncoding("utf-8"); ;
response.setContentType("text/html; charset=utf-8");

String uploadPath=request.getParameter("uploadPath");

String path = getServletContext().getRealPath("/")+uploadPath;

String datePath=new java.text.SimpleDateFormat("yyyy-MM-dd").format(new java.util.Date());

String upperFileName=(String)request.getParameter("upperFileName");

if(upperFileName!=null&&!upperFileName.equals("")){
new File(path+File.separator+datePath+File.separator+upperFileName).delete();
}

try{

org.apache.commons.fileupload.disk.DiskFileItemFactory factory = new org.apache.commons.fileupload.disk.DiskFileItemFactory();
org.apache.commons.fileupload.servlet.ServletFileUpload sevletFileUpload = new org.apache.commons.fileupload.servlet.ServletFileUpload(factory);

sevletFileUpload.setSizeMax(21 * 1024 * 1024 );

factory.setSizeThreshold(4096);

factory.setRepository(new File(path));

        java.util.List<org.apache.commons.fileupload.FileItem> lis=sevletFileUpload.parseRequest(request);

//org.apache.commons.fileupload.DiskFileUpload upload = new org.apache.commons.fileupload.DiskFileUpload();
//java.util.List<org.apache.commons.fileupload.FileItem> lis = upload.parseRequest(request);

        for(org.apache.commons.fileupload.FileItem item:lis){
if(!item.isFormField()){
          String name = item.getName();
                if(name == null || name.trim().equals("") || item.getSize()==0.0)
                    continue;

                String fileType = item.getName().substring(item.getName().lastIndexOf("."));
//File filePath =new File(path+File.separator+new java.text.SimpleDateFormat("yyyy").format(new java.util.Date())+File.separator+new java.text.SimpleDateFormat("MM").format(new java.util.Date())+File.separator+new java.text.SimpleDateFormat("dd").format(new java.util.Date()));

     File filePath =new File(path+File.separator+datePath);

     if (!filePath.exists()) {
       filePath.mkdirs();
           }

item.write(new File(filePath.getPath(),fileName+fileType));

response.getWriter().write(fileName+fileType);
response.getWriter().close();
}
}
}catch (org.apache.commons.fileupload.FileUploadException e) {
e.printStackTrace();
} catch (Exception e) {
        e.printStackTrace();
}
%>
</BODY>
</HTML>

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英语星期、月的由来 | 截取字符串

2011-01-11 09:43
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