src/servlet/laoshi_servlet.java

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package servlet;

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 util.DB;

import model.TAdmin;
import model.Tkecheng;
import model.Tlaoshi;

public class laoshi_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
        String type=req.getParameter("type");
		
		if(type.endsWith("laoshiAdd"))
		{
			laoshiAdd(req, res);
		}
		if(type.endsWith("laoshiMana"))
		{
			laoshiMana(req, res);
		}
		if(type.endsWith("laoshiDel"))
		{
			laoshiDel(req, res);
		}
		if(type.endsWith("laoshiAll"))
		{
			laoshiAll(req, res);
		}
	}
	
	public void laoshiAdd(HttpServletRequest req,HttpServletResponse res)
	{
		String bianhao=req.getParameter("bianhao");
		String xingming=req.getParameter("xingming");
		String xingbie=req.getParameter("xingbie");
		String nianling=req.getParameter("nianling");
		String zhicheng=req.getParameter("zhicheng");
		String loginname=req.getParameter("loginname");
		String loginpw=req.getParameter("loginpw");
		String del="no";
		
		String sql="insert into t_laoshi (bianhao,xingming,xingbie,nianling,zhicheng,loginname,loginpw,del)values(?,?,?,?,?,?,?,?)";
		Object[] params={bianhao,xingming,xingbie,nianling,zhicheng,loginname,loginpw,del};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();