husersrevlet.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.Huser;
import dbmgr.HuserMgr;
import java.sql.ResultSet;
import java.util.*;

public class HuserSrevlet extends HttpServlet {
	
	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")){
HuserMgr userdb=new HuserMgr();
Collection rst=userdb.getAll();
request.setAttribute("rss", rst);
request.getRequestDispatcher("/husermgr/show.jsp").forward(request, response);
}
if(opraParam.equals("show")){
	String name=request.getParameter("sqlCondition");
	HuserMgr userdb=new HuserMgr();
	try{
	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("/husermgr/list.jsp").forward(request, response);
	}
	catch(Exception e)
	{
		e.printStackTrace();
		request.getRequestDispatcher("/husermgr/Err.jsp").forward(request, response);
	}
}

if(opraParam.equals("add"))
{
	String id=request.getParameter("id");
	String name=request.getParameter("name");
	String before=request.getParameter("before");
	String after=request.getParameter("after");
	String time=request.getParameter("time");
	String ystyle=request.getParameter("ystyle");
	
	
		HuserMgr userdb=new HuserMgr();
	    Huser user=new Huser();
	    user.setId(Integer.parseInt(id));
	    user.setName(name);
	    user.setBefore(before);
	    user.setAfter(after);
	    user.setTime(time);
	    user.setYstyle(ystyle);

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

if(opraParam.equals("change"))
{  
	String id=request.getParameter("id");
	String name=request.getParameter("name");
	String before=request.getParameter("before");
	String after=request.getParameter("after");
	String time=request.getParameter("time");
	String ystyle=request.getParameter("ystyle");
	 
	HuserMgr userdb=new HuserMgr();
    Huser user=new Huser();
    user.setId(Integer.parseInt(id));
    user.setName(name);
    user.setBefore(before);
    user.setAfter(after);
    user.setTime(time);
    user.setYstyle(ystyle);
    int i=userdb.chang(user);
	   
    request.setAttribute("user", user);
    Collection rst=userdb.getAll();
	request.setAttribute("rss", rst);
    request.getRequestDispatcher("/husermgr/list.jsp").forward(request, response);	
}

if(opraParam.equals("delete"))
{
	HuserMgr userdb=new HuserMgr();
    Huser user=new Huser();
	String s=request.getParameter("sqlCondition");
    //System.out.println(s);
	int id=Integer.parseInt(s);
	
	System.out.println(id);
	int i=userdb.delete(id);
		
	Collection rst=userdb.getAll();
	request.setAttribute("rss", rst);
    request.getRequestDispatcher("/husermgr/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);
	
	HuserMgr userdb=new HuserMgr();
    Huser user=new Huser();
    Collection rst=userdb.getPage(start, size);
    System.out.println(st);
	request.setAttribute("rss", rst);
	request.setAttribute("stat", st);
	//int stat;
    request.getRequestDispatcher("/husermgr/list.jsp").forward(request, response);	
}
}

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

}