src/com/action/liuyan_servlet.java

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package com.action;

import java.io.IOException;
import java.sql.ResultSet;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
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 javax.servlet.http.HttpSession;

import com.dao.DB;
import com.orm.Txuesheng;
import com.orm.Tliuyan;
import com.orm.Txuesheng;

public class liuyan_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
        String type=req.getParameter("type");
		if(type.endsWith("liuyanAdd"))
		{
			liuyanAdd(req, res);
		}
		if(type.endsWith("myliuyan"))
		{
			myliuyan(req, res);
		}
		if(type.endsWith("liuyanMana"))
		{
			liuyanMana(req, res);
		}
		if(type.endsWith("liuyanInfo"))
		{
			liuyanInfo(req, res);
		}
		if(type.endsWith("liuyanhuifu"))
		{
			liuyanhuifu(req, res);
		}
	}
	public void liuyanAdd(HttpServletRequest req,HttpServletResponse res)
	{
		String lyneirong=req.getParameter("lyneirong");
		HttpSession session=req.getSession();
        Txuesheng xuesheng=(Txuesheng)session.getAttribute("xuesheng");
        int xsID=xuesheng.getxsID();
		String lyshijian=new SimpleDateFormat("yyyy-MM-dd").format(new Date());
		String sql="insert into t_liuyan(lyneirong,xsID,lyshijian) values(?,?,?)";
		Object[] params={lyneirong,xsID,lyshijian};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();