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package com.common;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URLDecoder;
import java.util.Date;
import javax.annotation.Resource;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;
import com.beans.domain.UserOperationLog;
import com.beans.useroperationlog.dao.UserOperationLogDao;
import com.beans.useroperationlog.manager.UserOperationLogManager;
import com.bstek.bdf2.core.business.IUser;
import com.bstek.bdf2.core.context.ContextHolder;
@Repository("servletDownload")
public class ServletDownload extends HttpServlet {
private static final long serialVersionUID = 1L;
@Resource(name="userOperationLogManager")
private UserOperationLogManager userOperationLogManager;
/**
* @see HttpServlet#HttpServlet()
*/
public ServletDownload() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
request.setCharacterEncoding("UTF-8");
//获得请求文件名
String filename = URLDecoder.decode(request.getParameter("filename"),"utf-8");
// String filename = request.getParameter("filename");
if(null==filename)
return;
//System.out.println(filename);
//设置文件MIME类型
response.setContentType(getServletContext().getMimeType(filename));
//设置Content-Disposition
String name = filename.substring(filename.lastIndexOf('/')+1,filename.length());
response.setHeader("Content-Disposition", "attachment;filename="+new String(name.getBytes("gb2312"),"ISO8859-1"));
//读取目标文件,通过response将目标文件写到客户端
//获取目标文件的绝对路径
String fullFileName = getServletContext().getRealPath("/upload/" + filename);
//System.out.println(fullFileName);
//读取文件
InputStream in = new FileInputStream(fullFileName);
OutputStream out = response.getOutputStream();
int b;
while((b=in.read())!= -1)
{
out.write(b);
}
in.close();
out.close();
String tablename = URLDecoder.decode(request.getParameter("tablename"),"utf-8");
System.out.println(tablename);
IUser loginUser = ContextHolder.getLoginUser();
String ucn = loginUser.getCname();
String un = loginUser.getUsername();
Date myDate = new Date();
// 对用户下载操作进行记录,在用户操作日志表中新增一条记录。
try {
//UserOperationLogDao userOperationLogDao = new UserOperationLogDao();
//UserOperationLogDao userOperationLogDao = new UserOperationLogDao();
//UserOperationLogManager userOperationLogManager = new UserOperationLogManager();
userOperationLogManager.recordUserOperationLog("下载",myDate, un, ucn, "下载"+tablename);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
}
}