src/com/action/kecheng_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.Tkecheng;
import com.service.liuService;

public class kecheng_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
        String type=req.getParameter("type");
		
		if(type.endsWith("kechengMana"))
		{
			kechengMana(req, res);
		}
		if(type.endsWith("kechengAdd"))
		{
			kechengAdd(req, res);
		}
		if(type.endsWith("kechengDel"))
		{
			kechengDel(req, res);
		}
		
		if(type.endsWith("kechengAll"))
		{
			kechengAll(req, res);
		}
		if(type.endsWith("kechengByStu"))
		{
			kechengByStu(req, res);
		}
	}
	
	
	public void kechengAdd(HttpServletRequest req,HttpServletResponse res)
	{
		String name=req.getParameter("name");
		String jieshao=req.getParameter("jieshao");
		String del="no";
		String sql="insert into t_kecheng(name,jieshao,del) values(?,?,?)";
		Object[] params={name,jieshao,del};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();