src/com/controller/KehulianxirenController.java

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package com.controller;

import java.io.File;
import java.io.IOException;

import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.io.PrintWriter;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;

import com.entity.Kehulianxiren;
import com.server.KehulianxirenServer;
import com.util.PageBean;
import net.sf.json.JSONObject;
import com.util.db;
import java.sql.SQLException;
import java.sql.*;
@Controller
public class KehulianxirenController {
	@Resource
	private KehulianxirenServer kehulianxirenService;


   
	@RequestMapping("addKehulianxiren.do")
	public String addKehulianxiren(HttpServletRequest request,Kehulianxiren kehulianxiren,HttpSession session) throws SQLException{
		Timestamp time=new Timestamp(System.currentTimeMillis());
		String sql="";
		sql="select id from kehulianxiren where 1=1  and kehuhao='"+kehulianxiren.getKehuhao()+"' and lianxiren='"+kehulianxiren.getLianxiren()+"'";
		db dbo = new db();
		ResultSet rs=null;
		rs=dbo.executeQuery(sql);
		int tt=0;
		while(rs.next()){

				tt++;
		}

		if(tt>=1)
		{
			
			session.setAttribute("backxx", "已约满！操作失败");
			session.setAttribute("backurl", request.getHeader("Referer"));
			
			//session.setAttribute("backurl", "kehulianxirenList.do");
			
			return "redirect:postback.jsp";