http上传下载（1）

madinggui

浏览: 10904 次
性别:
来自: 广州

最近访客更多访客>>

bluesun_cn

zhanyuanwen1989

博主相关

博客

微博

相册

留言

关于我

文章分类

社区版块

存档分类

博客分类：

java

Java Servlet C C++C#

PubDun

package com.upload.http;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class PubDun extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("GBK");
response.setContentType("html/text;chatSet=utf-8");
httpUpload(request);

}

public void init() throws ServletException {
}

private void httpUpload(HttpServletRequest req) throws IOException,
UnsupportedEncodingException {
try {
   if (req.getMethod().equals("POST") && MultipartRequest.isMultipart(req)) {
    req = new MultipartRequest(req, 1);//userId登陆用户标识
    //得到上传文件

    File upFile = ((MultipartRequest) req).getFile("path");

//得到上传文件名
    String fileName = ((MultipartRequest) req).getFileName(upFile);

//得到上传http的值
   req.getParameter("res_name");

//把上传文件存放到c:/temp目录下名为123.jpg的文件
   saveAs(upFile, "c:/temp/123.jpg");
   }
}

finally {
   if (req instanceof MultipartRequest) {
    //清除上传的临时文件

      ((MultipartRequest) req).deleteTemporaryFile();
   }
}

}

private void saveAs(File upFile, String filePath) throws IOException {
FileInputStream fis = null;
FileOutputStream fos = null;
try {
   fis = new FileInputStream(upFile);
   int len = fis.available();
   byte[] by = new byte[len];
   fis.read(by);
   fos = new FileOutputStream(filePath);
   fos.write(by);
}
finally {
   if (fos != null)
    fos.close();
   if (fis != null)
    fis.close();
}
}
}

html：
<html>
<body>
<form enctype="multipart/form-data" method="post" action="./servlet/PubDun">

<input type="file" name="path" size="38" />
<br />
<input type="text" name="res_name" size="38" />
<br />
<input type="submit" value="上传">
</form>
</body>
</html>

分享到：

http上传下载（2） | 关于java的http协议上传

2010-05-02 23:35
浏览 939
评论(0)
分类:编程语言
查看更多

发表评论

您还没有登录,请您登录后再发表评论

最近访客更多访客>>

博主相关

文章分类

社区版块

存档分类

最新评论