基于JAVA的房地产数据api调用代码实例.doc

基于JAVA的房地产数据api调用代码实例 代码描述：基于JAVA的房地产数据api调用代码实例 代码平台：聚合数据 import?java.io.BufferedReader; import?java.io.DataOutputStream; import?java.io.IOException; import?java.io.InputStream; import?java.io.InputStreamReader; import?java.io.UnsupportedEncodingException; import?.HttpURLConnection; import?.URL; import?.URLEncoder; import?java.util.HashMap; import?java.util.Map; ? import?net.sf.json.JSONObject; ? /** *地产数据调用示例代码?－?聚合数据 *在线接口文档：/docs/47 **/ ? public?class?JuheDemo?{ ????public?static?final?String?DEF_CHATSET?=?UTF-8; ????public?static?final?int?DEF_CONN_TIMEOUT?=?30000; ????public?static?final?int?DEF_READ_TIMEOUT?=?30000; ????public?static?String?userAgent?=??Mozilla/5.0?(Windows?NT?6.1)?AppleWebKit/537.36?(KHTML,?like?Gecko)?Chrome/29.0.1547.66?Safari/537.36; ? ????//配置您申请的KEY ????public?static?final?String?APPKEY?=*************************; ? ????//1.地产检索 ????public?static?void?getRequest1(){ ????????String?result?=null; ????????String?url?=/estate/query;//请求接口地址 ????????Map?params?=?new?HashMap();//请求参数 ????????????params.put(city,);//城市名称，请参考支持城市列表 ????????????params.put(key,APPKEY);//应用APPKEY(应用详细页查询) ????????????params.put(q,);//地产名关键字 ????????????params.put(page,);//页数，默认1,每页返回10条 ????????????params.put(dtype,);//返回数据的格式,xml或json，默认json ? ????????try?{ ????????????result?=net(url,?params,?GET); ????????????JSONObject?object?=?JSONObject.fromObject(result); ????????????if(object.getInt(error_code)==0){ ????????????????System.out.println(object.get(result)); ????????????}else{ ????????????????System.out.println(object.get(error_code)+:+object.get(reason)); ????????????} ????????}?catch?(Exception?e)?{ ????????????e.printStackTrace(); ????????} ????} ? ????//2.周边地产 ????public?static?void?getRequest2(){ ????????String?result?=null; ????????String?url?=/estate/local;//请求接口地址 ????????Map?params?=?new?HashMap();//请求参数 ????????????params.put(lat,);//纬度（百度地图坐标系） ????????????params.put(lng,);//经度 ????????????params.put(radius,);//检索半径，默认5000?单位米 ????????????params.p