src/com/action/menhu_servlet.java

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package com.action;

import java.io.IOException;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;

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

import com.dao.DB;
import com.orm.Tmenhu;
import com.service.liuService;

public class menhu_servlet extends HttpServlet
{ 
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
		String type=req.getParameter("type");
		if(type.endsWith("menhuUpdate"))
		{
			menhuUpdate(req, res);
		}
		if(type.endsWith("menhuMana"))
		{
			menhuMana(req, res);
		}
		if(type.endsWith("menhuManaid"))
		{
			menhuManaid(req, res);
		}		
	}
	
	public void menhuUpdate(HttpServletRequest req,HttpServletResponse res)
	{
		String jieshao=req.getParameter("jieshao");
		String sql="Update t_menhu set jieshao=?";

		Object[] params={jieshao};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();
		
		req.setAttribute("message", "修改成功");
		req.setAttribute("path", "menhu?type=menhuManaid");
		
        String targetURL = "/common/success.jsp";
		dispatch(targetURL, req, res);
	}
	public void menhuManaid(HttpServletRequest req,HttpServletResponse res) throws ServletException, IOException
	{
		List menhuList=new ArrayList();
		String sql = "select * from t_menhu ";
		Object[] params={};
		DB mydb=new DB();
		try
		{