updateuserphotoservlet.java

jsp + servlete + jdbc开的管理系统

package hbu.david.cmc.servlet;

import hbu.david.cmc.bean.UserInfo;
import hbu.david.cmc.http.ServletEncoding;
import hbu.david.cmc.util.FileUploadUtil;
import hbu.david.cmc.util.FileUtil;
import hbu.david.cmc.work.*;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.UUID;

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

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 * Servlet implementation class for Servlet: UpdateUserPhotoServlet
 *
 */
 public class UpdateUserPhotoServlet extends hbu.david.cmc.http.MyHttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
   
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public UpdateUserPhotoServlet() {
		super();
	}

	@Override
	public void doExecute(HttpServletRequest request,
			HttpServletResponse response) throws IOException, ServletException {
		// TODO Auto-generated method stub
		ServletEncoding.setEncoding(request, response);
		//初始化，获取输入表单的列表
		List<FileItem> list=FileUploadUtil.init(request, response);
		//对输入表单的列表进行过滤
		Map<String,String> mapField=FileUploadUtil.getField(list);		
		Map<String,FileItem> mapFile=FileUploadUtil.getFile(list);
		//创建图片保存路径
		File path=FileUtil.changePathToAbsol(request, "/upImages/"+((UserInfo)request.getSession().getAttribute("userInfo")).getUsername()+"/"+"person/");
		//获取图片信息映射
		Map<String,String> mapFilePath=FileUploadUtil.saveAs(request,mapFile, path);		
		
		//将文件上传的信息保存到一个request中
		if(UserBean.updateUserPhoto(mapFilePath.get("url"), ((UserInfo)request.getSession().getAttribute("userInfo")).getId())){
			//request.setAttribute("userInfo", (UserInfo)request.getSession().getAttribute("userInfo"));
			request.setAttribute("errorMessage", "修改成功！");
			request.setAttribute("returnUrl","GetDefaultInfo?userId="+((UserInfo)request.getSession().getAttribute("userInfo")).getId());
			request.getRequestDispatcher("error.jsp").forward(request, response);
		}
	}   	 	  	  	    
}