src/com/action/yiyuan_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.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.directwebremoting.WebContext;
import org.directwebremoting.WebContextFactory;

import com.dao.DB;
import com.orm.Tyiyuan;
import com.service.liuService;

public class yiyuan_servlet extends HttpServlet
{ 
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
		String type=req.getParameter("type");
		if(type.endsWith("yiyuanUpdate"))
		{
			yiyuanUpdate(req, res);
		}
		if(type.endsWith("yiyuanInfo"))
		{
			yiyuanInfo(req, res);
		}
		
	}
	public void yiyuanUpdate(HttpServletRequest req,HttpServletResponse res)
	{
		String id=req.getParameter("id").trim();
		String yyxinxi=req.getParameter("yyxinxi").trim();
		String yydizhi=req.getParameter("yydizhi").trim();
		String yygongjiao=req.getParameter("yygongjiao").trim();
		String yydianhua=req.getParameter("yydianhua").trim();
		String sql="Update yiyuan set yyxinxi=?,yydizhi=?,yygongjiao=?,yydianhua=? where id=?";
		Object[] params={yyxinxi,yydizhi,yygongjiao,yydianhua,id};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();
		req.setAttribute("message", "修改成功"); 
		req.setAttribute("path", "yiyuan?type=yiyuanInfo");
		
        String targetURL = "/common/success.jsp";
		dispatch(targetURL, req, res);
	}
	public void yiyuanInfo(HttpServletRequest req,HttpServletResponse res) throws ServletException, IOException
	{
		Tyiyuan yiyuan=new Tyiyuan();
		String sql="select * from yiyuan";
		Object[] params={};
		DB mydb=new DB();