content: package com.easyhousing.controller;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.servlet.http.Cookie;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpSession;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.servlet.ModelAndView;
  
  import com.easyhousing.dao.BuildingPicDao;
  import com.easyhousing.model.BuildingInfo;
  import com.easyhousing.service.BuildingSearch;
  
  /**
   * 
   * @author 王辰辰
   * 楼盘按条件查询
   */
  @Controller
  public class BuildingSelectController {
  	
  	@Autowired
  	private BuildingSearch buildingSearch;
  	
  	@Autowired
  	private BuildingPicDao buildingPicDao;
  	
  	//按条件查询楼盘，初始化跳转
  	@RequestMapping(value="buildingSelect.do", method={RequestMethod.GET,RequestMethod.POST})
  	public ModelAndView buildingSelect(HttpServletRequest request, HttpSession session) {
  		ModelAndView modelAndView = new ModelAndView();
  		
  		//地址，最低价格，最高价格，最低卧室数量，最多卧室数量
  		String strAddress = (String)session.getAttribute("buildingAddress");
  		String strlowPrice = (String)session.getAttribute("buildingLowPrice");
  		String strhighPrice = (String)session.getAttribute("buildingHighPrice");
  
  		String strclass1 = (String)session.getAttribute("buildingClass1");
  		String strclass2 = (String)session.getAttribute("buildingClass2");
  
  		if(strAddress == null) {
  			session.setAttribute("buildingAddress", "");
  		}
  		if(strlowPrice == null) {
  			session.setAttribute("buildingLowPrice", "0");
  		}
  		if(strhighPrice == null) {
  			session.setAttribute("buildingHighPrice", "1000000000");
  		}
  
  		if(strclass1 == null) {
  			session.setAttribute("buildingClass1", "0");
  		}
  		if(strclass2 == null) {
  			session.setAttribute("buildingClass2", "11");
  		}
  
  		String address = (String)session.getAttribute("buildingAddress");
  		int lowPrice = Integer.parseInt((String)session.getAttribute("buildingLowPrice"));
  		int highPrice = Integer.parseInt((String)session.getAttribute("buildingHighPrice"));
  		
  		List<BuildingInfo>list = buildingSearch.searchBuilding(address, lowPrice, highPrice);
  		
  		//查询结果
  		List<String> buildingPicList = new ArrayList<>();
  		for (BuildingInfo i: list) {
  			List<String> t = buildingPicDao.selectBuildingPicByBuildingId(i.getBuildingId());
  			if (t.size() == 0) {
  				buildingPicList.add("");
  			}
  			else {
  				buildingPicList.add(t.get(0));
  				System.err.println(t.get(0));
  			}
  		}
  		
  		//返回查询结果
  		session.setAttribute("buildingPicList", buildingPicList);
  		
  		session.setAttribute("buildingList", list);
  		session.setAttribute("buildingSt", 0);
  		session.setAttribute("buildingListSize", list.size());
  		for(BuildingInfo i : list) {
  			System.err.println(i.getBuildingAddress());
  			System.err.println(list.size());
  		}
  		
  		modelAndView.setViewName("building");
  		return modelAndView;
  	}
  	
  	//按条件查询楼盘
  	@RequestMapping(value="buildingSelectAjax.do", method={RequestMethod.GET,RequestMethod.POST})
  	public void rentHouseSelectAjax(HttpServletRequest request) {
  		Cookie[] cookie = request.getCookies();
  		HttpSession session = request.getSession();
  		if(cookie == null) {
  			System.err.println("cnm");
  		}
  		else {
  			System.err.println("yyyyyy");
  			//设置属性
  			for(Cookie iCookie : cookie) {
  					String strtemp = iCookie.getName();
  					
  					String value;
  					if(strtemp.equals("buildingAddress")) {
  						value = unescape(iCookie.getValue());
  						if (value.equals("不限")) {
  							value = "";
  						}
  						session.setAttribute("buildingAddress", value);
  						System.err.println(value);
  					}
  					else if(strtemp.equals("buildingLowPrice")) {
  						value = unescape(iCookie.getValue());
  						session.setAttribute("buildingLowPrice", value);
  					}
  					else if(strtemp.equals("buildingHighPrice")) {
  						value = unescape(iCookie.getValue());
  						session.setAttribute("buildingHighPrice", value);
  					}
  					else if(strtemp.equals("buildingClass1")) {
  						value = unescape(iCookie.getValue());
  						session.setAttribute("buildingClass1", value);
  					}
  					else if(strtemp.equals("buildingClass2")) {
  						value = unescape(iCookie.getValue());
  						session.setAttribute("buildingClass2", value);
  					}
  					System.err.println(iCookie.getName());
  			}
  		}
  		String strAddress = (String)session.getAttribute("buildingAddress");
  		String strlowPrice = (String)session.getAttribute("buildingLowPrice");
  		String strhighPrice = (String)session.getAttribute("buildingHighPrice");
  
  		if(strAddress == null) {
  			session.setAttribute("buildingAddress", "");
  		}
  		if(strlowPrice == null) {
  			session.setAttribute("buildingLowPrice", "0");
  		}
  		if(strhighPrice == null) {
  			session.setAttribute("buildingHighPrice", "1000000000");
  		}
  
  		String address = (String)session.getAttribute("buildingAddress");
  		int lowPrice = Integer.parseInt((String)session.getAttribute("buildingLowPrice"));
  		int highPrice = Integer.parseInt((String)session.getAttribute("buildingHighPrice"));
  
  		List<BuildingInfo> list = buildingSearch.searchBuilding(address, lowPrice, highPrice);
  		
  		List<String> buildingPicList = new ArrayList<>();
  		for (BuildingInfo i: list) {
  			List<String> t = buildingPicDao.selectBuildingPicByBuildingId(i.getBuildingId());
  			if (t.size() == 0) {
  				buildingPicList.add("");
  			}
  			else buildingPicList.add(t.get(0));
  		}
  		session.setAttribute("buildingPicList", buildingPicList);
  		
  		session.setAttribute("buildingList", list);
  		session.setAttribute("buildingSt", 0);
  		session.setAttribute("buildingListSize", list.size());
  		System.err.println(session.getAttribute("buildingClass1"));
  	}
  	
  	//分页显示，前一页
  	@RequestMapping(value="buildingPrePage.do", method={RequestMethod.GET,RequestMethod.POST})
  	public ModelAndView prePage(HttpServletRequest request) {
  		ModelAndView modelAndView = new ModelAndView();
  		HttpSession session = request.getSession();
  		int st = (Integer)session.getAttribute("buildingSt");
  		st = st - 5;
  		if(st < 0) st = 0;
  		session.setAttribute("buildingSt", st);
  		modelAndView.setViewName("building");
  		return modelAndView;
  	}
  	
  	//分页显示，后一页
  	@RequestMapping(value="buildingNextPage.do", method={RequestMethod.GET,RequestMethod.POST})
  	public ModelAndView nextPage(HttpServletRequest request) {
  		ModelAndView modelAndView = new ModelAndView();
  		HttpSession session = request.getSession();
  		int st = (Integer)session.getAttribute("buildingSt");
  		int listSize = (Integer)session.getAttribute("buildingListSize");
  		st = st + 5;
  		if(st > listSize) st = st - 5;
  		session.setAttribute("buildingSt", st);
  		modelAndView.setViewName("building");
  		return modelAndView;
  	}
  	
  	//对前端返回的escape编码进行解码
  	private final static String[] hex = {  
  	        "00","01","02","03","04","05","06","07","08","09","0A","0B","0C","0D","0E","0F",  
  	        "10","11","12","13","14","15","16","17","18","19","1A","1B","1C","1D","1E","1F",  
  	        "20","21","22","23","24","25","26","27","28","29","2A","2B","2C","2D","2E","2F",  
  	        "30","31","32","33","34","35","36","37","38","39","3A","3B","3C","3D","3E","3F",  
  	        "40","41","42","43","44","45","46","47","48","49","4A","4B","4C","4D","4E","4F",  
  	        "50","51","52","53","54","55","56","57","58","59","5A","5B","5C","5D","5E","5F",  
  	        "60","61","62","63","64","65","66","67","68","69","6A","6B","6C","6D","6E","6F",  
  	        "70","71","72","73","74","75","76","77","78","79","7A","7B","7C","7D","7E","7F",  
  	        "80","81","82","83","84","85","86","87","88","89","8A","8B","8C","8D","8E","8F",  
  	        "90","91","92","93","94","95","96","97","98","99","9A","9B","9C","9D","9E","9F",  
  	        "A0","A1","A2","A3","A4","A5","A6","A7","A8","A9","AA","AB","AC","AD","AE","AF",  
  	        "B0","B1","B2","B3","B4","B5","B6","B7","B8","B9","BA","BB","BC","BD","BE","BF",  
  	        "C0","C1","C2","C3","C4","C5","C6","C7","C8","C9","CA","CB","CC","CD","CE","CF",  
  	        "D0","D1","D2","D3","D4","D5","D6","D7","D8","D9","DA","DB","DC","DD","DE","DF",  
  	        "E0","E1","E2","E3","E4","E5","E6","E7","E8","E9","EA","EB","EC","ED","EE","EF",  
  	        "F0","F1","F2","F3","F4","F5","F6","F7","F8","F9","FA","FB","FC","FD","FE","FF"  
  	    };  
  	    private final static byte[] val = {  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,  
  	        0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F  
  	    };  
  	    public static String escape(String s) {  
  	        StringBuffer sbuf = new StringBuffer();  
  	        int len = s.length();  
  	        for (int i = 0; i < len; i++) {  
  	            int ch = s.charAt(i);  
  	            if (ch == ' ') {                        // space : map to '+'   
  	                sbuf.append('+');  
  	            } else if ('A' <= ch && ch <= 'Z') {    // 'A'..'Z' : as it was  
  	                sbuf.append((char)ch);  
  	            } else if ('a' <= ch && ch <= 'z') {    // 'a'..'z' : as it was  
  	                sbuf.append((char)ch);  
  	            } else if ('0' <= ch && ch <= '9') {    // '0'..'9' : as it was  
  	                sbuf.append((char)ch);  
  	            } else if (ch == '-' || ch == '_'       // unreserved : as it was  
  	                || ch == '.' || ch == '!'  
  	                || ch == '~' || ch == '*'  
  	                || ch == '\'' || ch == '('  
  	                || ch == ')') {  
  	                sbuf.append((char)ch);  
  	            } else if (ch <= 0x007F) {              // other ASCII : map to %XX  
  	                sbuf.append('%');  
  	                sbuf.append(hex[ch]);  
  	            } else {                                // unicode : map to %uXXXX  
  	                sbuf.append('%');  
  	                sbuf.append('u');  
  	                sbuf.append(hex[(ch >>> 8)]);  
  	                sbuf.append(hex[(0x00FF & ch)]);  
  	            }  
  	        }  
  	        return sbuf.toString();  
  	    }  
  	    public static String unescape(String s) {  
  	        StringBuffer sbuf = new StringBuffer();  
  	        int i = 0;  
  	        int len = s.length();  
  	        while (i < len) {  
  	            int ch = s.charAt(i);  
  	            if (ch == '+') {                        // + : map to ' '   
  	                sbuf.append(' ');  
  	            } else if ('A' <= ch && ch <= 'Z') {    // 'A'..'Z' : as it was  
  	                sbuf.append((char)ch);  
  	            } else if ('a' <= ch && ch <= 'z') {    // 'a'..'z' : as it was  
  	                sbuf.append((char)ch);  
  	            } else if ('0' <= ch && ch <= '9') {    // '0'..'9' : as it was  
  	                sbuf.append((char)ch);  
  	            } else if (ch == '-' || ch == '_'       // unreserved : as it was  
  	                || ch == '.' || ch == '!'  
  	                || ch == '~' || ch == '*'  
  	                || ch == '\'' || ch == '('  
  	                || ch == ')') {  
  	                sbuf.append((char)ch);  
  	            } else if (ch == '%') {  
  	                int cint = 0;  
  	                if ('u' != s.charAt(i+1)) {         // %XX : map to ascii(XX)  
  	                    cint = (cint << 4) | val[s.charAt(i+1)];  
  	                    cint = (cint << 4) | val[s.charAt(i+2)];  
  	                    i+=2;  
  	                } else {                            // %uXXXX : map to unicode(XXXX)  
  	                    cint = (cint << 4) | val[s.charAt(i+2)];  
  	                    cint = (cint << 4) | val[s.charAt(i+3)];  
  	                    cint = (cint << 4) | val[s.charAt(i+4)];  
  	                    cint = (cint << 4) | val[s.charAt(i+5)];  
  	                    i+=5;  
  	                }  
  	                sbuf.append((char)cint);  
  	            }  
  	            i++;  
  	        }  
  	        return sbuf.toString();  
  	    }  
  }
  