src/com/action/catelog_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.ServletConfig;
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.TAdmin;
import com.orm.Tcatelog;

public class catelog_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
        String type=req.getParameter("type");
		
		if(type.endsWith("catelogMana"))
		{
			catelogMana(req, res);
		}
		if(type.endsWith("catelogAdd"))
		{
			catelogAdd(req, res);
		}
		if(type.endsWith("catelogDel"))
		{
			catelogDel(req, res);
		}
	}
	
	
	public void catelogAdd(HttpServletRequest req,HttpServletResponse res)
	{
		String name=req.getParameter("name").trim();
		String del="no";
		
		String sql="insert into t_catelog(name,del) values(?,?)";
		Object[] params={name,del};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();
		
		req.setAttribute("message", "操作成功");
		req.setAttribute("path", "catelog?type=catelogMana");
		
        String targetURL = "/common/success.jsp";
		dispatch(targetURL, req, res);
	}
	
	public void catelogDel(HttpServletRequest req,HttpServletResponse res)
	{
		String sql="update t_catelog set del='yes' where id="+Integer.parseInt(req.getParameter("id"));