src/com/action/leixing_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.Tleixing;

public class leixing_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
        String type=req.getParameter("type");
		
		if(type.endsWith("leixingMana"))
		{
			leixingMana(req, res);
		}
		if(type.endsWith("leixingAdd"))
		{
			leixingAdd(req, res);
		}
		if(type.endsWith("leixingDel"))
		{
			leixingDel(req, res);
		}
	}
	
	
	public void leixingAdd(HttpServletRequest req,HttpServletResponse res)
	{
		String leixingming=req.getParameter("leixingming").trim();
		String sql="insert into leixing(leixingming) values(?)";
		Object[] params={leixingming};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();
		req.setAttribute("message", "类型添加成功");
		req.setAttribute("path", "leixing?type=leixingMana");
        String targetURL = "/common/success.jsp";
		dispatch(targetURL, req, res);
	}
	
	public void leixingDel(HttpServletRequest req,HttpServletResponse res)
	{
		String sql="delete from leixing where leixingID="+Integer.parseInt(req.getParameter("id"));
		Object[] params={};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();