src/servlet/jiangcheng_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 model.Tjiangcheng;
import model.Txuesheng;

import service.utilService;
import util.DB;


public class jiangcheng_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
        String type=req.getParameter("type");
		
        if(type.endsWith("jiangchengAdd"))
		{
			jiangchengAdd(req, res);
		}
		if(type.endsWith("jiangchengMana"))
		{
			jiangchengMana(req, res);
		}
		
		if(type.endsWith("jiangchengDel"))
		{
			jiangchengDel(req, res);
		}
		if(type.endsWith("jiangchengMine"))
		{
			jiangchengMine(req, res);
		}
	}
	
	
	public void jiangchengAdd(HttpServletRequest req,HttpServletResponse res)
	{
		int xuesheng_id=Integer.parseInt(req.getParameter("xuesheng_id"));
		String shijian=req.getParameter("shijian");
		String shuxing=req.getParameter("shuxing");
		String beizhu=req.getParameter("beizhu");
		
		String sql="insert into t_jiangcheng(xuesheng_id,shijian,shuxing,beizhu) values(?,?,?,?)";
		Object[] params={xuesheng_id,shijian,shuxing,beizhu};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();