w3userservlet.java

采用Jsp,Javabean,Servlet等做的人力资源管理系统,后台管理用户及密码均是:admin

package userservlet;

import java.io.IOException;
import java.io.PrintWriter;

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


import userbean.w3User;
import dbmgr.w3UserMgr;
import java.sql.ResultSet;
import java.util.*;

public class w3UserServlet extends HttpServlet {


	public w3UserServlet() {
		super();
	}

	
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
request.setCharacterEncoding("gb2312");
response.setCharacterEncoding("gb2312");
response.setContentType("text/html;charset=gb2312");
String opraParam= request.getParameter("opraParam");
if(opraParam.equals("showall")){
w3UserMgr userdb=new w3UserMgr();
Collection rst=userdb.getAll();
request.setAttribute("rss", rst);
request.getRequestDispatcher("/w3usermgr/show.jsp").forward(request, response);
}
if(opraParam.equals("show")){
	String name=request.getParameter("sqlCondition");
	w3UserMgr userdb=new w3UserMgr();
	Collection rst=userdb.search(name);

	if(rst.isEmpty())
		request.setAttribute("sch", "1");
		//request.getRequestDispatcher("/lcz_usermgr/error.jsp?styl=search").forward(request, response);		
	else
		{
		request.setAttribute("sch", "2");
		 }
	 request.setAttribute("rss", rst);
	 request.getRequestDispatcher("/w3usermgr/list.jsp").forward(request, response);
}

if(opraParam.equals("add"))
{
	String userid=request.getParameter("userid");
	String empname=request.getParameter("empname");
	String fileid=request.getParameter("fileid");
	String filename=request.getParameter("filename");
	String content=request.getParameter("content");
	String remark1=request.getParameter("remark1");
	
	
		w3UserMgr userdb=new w3UserMgr();
	    w3User user=new w3User();
	    user.setUserid(Integer.parseInt(userid));
	    user.setEmpname(empname);
	    user.setFileid(Integer.parseInt(fileid));
	    user.setFilename(filename);
	    user.setContent(content);
        user.setRemark1(remark1);

	    int i=userdb.add(user);
	    request.setAttribute("user", user);
	    Collection rst=userdb.getAll();
		request.setAttribute("rss", rst);
	    request.getRequestDispatcher("/w3usermgr/list.jsp").forward(request, response);	
}

if(opraParam.equals("change"))
{  
	String userid=request.getParameter("userid");
	String empname=request.getParameter("empname");
	String fileid=request.getParameter("fileid");
	String filename=request.getParameter("filename");
	String content=request.getParameter("content");
	String remark1=request.getParameter("remark1");
	 
	w3UserMgr userdb=new w3UserMgr();
    w3User user=new w3User();
    user.setUserid(Integer.parseInt(userid));
    user.setEmpname(empname);
    user.setFileid(Integer.parseInt(fileid));
    user.setFilename(filename);
    user.setContent(content);
    user.setRemark1(remark1);
    int i=userdb.chang(user);
	   
    request.setAttribute("user", user);
    Collection rst=userdb.getAll();
	request.setAttribute("rss", rst);
    request.getRequestDispatcher("/w3usermgr/list.jsp").forward(request, response);	
}

if(opraParam.equals("delete"))
{
	w3UserMgr userdb=new w3UserMgr();
    w3User user=new w3User();
	String s=request.getParameter("sqlCondition");
    //System.out.println(s);
	int userid=Integer.parseInt(s);
	
	System.out.println(userid);
	int i=userdb.delete(userid);
		
	Collection rst=userdb.getAll();
	request.setAttribute("rss", rst);
    request.getRequestDispatcher("/w3usermgr/list.jsp").forward(request, response);	
}  

if(opraParam.equals("page"))
{
	String st=request.getParameter("chpage");
	int size=Integer.parseInt(request.getParameter("size"));
	
	int start=Integer.parseInt(st);
	
	w3UserMgr userdb=new w3UserMgr();
    w3User user=new w3User();
    Collection rst=userdb.getPage(start, size);
    System.out.println(st);
	request.setAttribute("rss", rst);
	request.setAttribute("stat", st);
	//int stat;
    request.getRequestDispatcher("/w3usermgr/list.jsp").forward(request, response);	
}
}

public void doGet(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
doPost(request, response);
}

}