如何使用?
第一步:申請ak(即獲取密鑰),若無百度賬號則首先需要注冊百度賬號。
第二步,拼寫發送http請求的url,注意需使用第一步申請的ak。
第三步,接收http請求返回的數據(支持json和xml格式)。
這樣設置可以成功解決102的錯誤,即:HTTP連接后返回的信息result={"status":102,"message":"IP\/SN\/SCODE\/REFERER Illegal:console-service"}
下面是一個小例子:
package tmp; import java.io.IOException; import org.apache.http.client.ClientProtocolException; import com.infomorrow.tool.Parser_Tool; /** * @author amosli * */ public class badi_map_ { public static void main(String[] args) throws ClientProtocolException, IOException { String ak = "orsN0xHVa8H0VxcMWW0uGf03"; String url = "http://api.map.baidu.com/geocoder/v2/?address=上海五角場萬達廣場&output=json&ak=" + ak; //1.地理編碼服務,即根據地址來查經度緯度 String return_value = Parser_Tool.do_get(url); System.out.println(return_value); // {"status":0,"result":{"location":{"lng":121.51996737545,"lat":31.308233584217},"precise":1,"confidence":80,"level":"\u5546\u52a1\u5927\u53a6"}}
//2.逆地理編碼,即根據經度緯度來查地址 String url2 = "http://api.map.baidu.com/geocoder/v2/?ak=" + ak + "&location=31.308233584217,121.51996737545&output=json&pois=1"; System.out.println(Parser_Tool.do_get(url2));
// {"status":0,"result":{"location":{"lng":121.51996737545,"lat":31.308233429954},"formatted_address":"上海市楊浦區政通路177","business":"五角場,大學區,復旦大學","addressComponent":{"city":"上海市","district":"楊浦區","province":"上海市","street":"政通路","street_number":"177"},"pois":[{"addr":"政通路177","cp":"NavInfo","distance":"0.022361","name":"萬達廣場C座","poiType":"辦公大廈,商務大廈","point":{"x":121.51996728562,"y":31.308233584217},"tel":"(021)61362818","uid":"18c7ec2a6c3b0e5e08ccddbe","zip":""},{"addr":"上海市楊浦區","cp":"NavInfo","distance":"76.894138","name":"麻辣風暴","poiType":"中餐館,餐飲","point":{"x":121.51999558224,"y":31.308826030169},"tel":"(021)55663716","uid":"e7b540bd7d31784b4d6d4670","zip":""},{"addr":"上海市楊浦區","cp":"NavInfo","distance":"80.359847","name":"H&M","poiType":"服裝鞋帽,購物","point":{"x":121.51968485837,"y":31.307663040014},"tel":"","uid":"badcec30996927a041ab9a26","zip":""},{"addr":"上海市楊浦區四平路2637號","cp":"mix","distance":"101.236603","name":"班尼路","poiType":"服裝鞋帽,購物","point":{"x":121.51911075132,"y":31.307971259271},"tel":"","uid":"802871ea45db67f7704b87bc","zip":""},{"addr":"上海市楊浦區","cp":"NavInfo","distance":"103.612502","name":"特力屋","poiType":"家居建材,購物","point":{"x":121.51957508543,"y":31.307508698607},"tel":"(021)52191919","uid":"bfd5bcd746f798e551e5c581","zip":""},{"addr":"上海市楊浦區","cp":"NavInfo","distance":"103.612502","name":"復茂","poiType":"中餐館,餐飲","point":{"x":121.51957508543,"y":31.307508698607},"tel":"","uid":"3c65d40795d0f74fefe4a523","zip":""},{"addr":"特力時尚匯5層","cp":"NavInfo","distance":"103.612502","name":"望湘園","poiType":"中餐館,餐飲","point":{"x":121.51957508543,"y":31.307508698607},"tel":"(021)33620977","uid":"8889b451bdeb6544e111033f","zip":""},{"addr":"上海市楊浦區翔殷路1128號大西洋百貨2樓(近國濟路)","cp":"mix","distance":"130.818973","name":"艾格","poiType":"服裝鞋帽,購物","point":{"x":121.5191145242,"y":31.307539242954},"tel":"","uid":"2d83695078e80ecf05fef54c","zip":""},{"addr":"上海市楊浦區","cp":"NavInfo","distance":"14.235832","name":"冠龍數碼彩擴沖印","poiType":"快照沖印,攝影沖印,生活服務","point":{"x":121.52008792805,"y":31.308270067458},"tel":"","uid":"80d3f20fca4819726849f393","zip":""},{"addr":"上海市楊浦區","cp":"NavInfo","distance":"55.990822","name":"美卡拉","poiType":"服裝鞋帽,購物","point":{"x":121.51972384483,"y":31.307855561471},"tel":"","uid":"f78e03f2963d1f271ee99941","zip":""}],"cityCode":289}} } }
這里用到了httpclient jar包,下載地址:http://hc.apache.org/downloads.cgi
/** * */ package com.infomorrow.tool; import java.io.IOException; import java.nio.charset.StandardCharsets; import java.util.List; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils; public class Parser_Tool { // /////////////////////////////http 請求///////////////////////////////////// /** * post 獲取 rest 資源 * * @param url * @param name_value_pair * @return * @throws IOException */ public static String do_post(String url, List<NameValuePair> name_value_pair) throws IOException { String body = "{}"; DefaultHttpClient httpclient = new DefaultHttpClient(); try { HttpPost httpost = new HttpPost(url); httpost.setEntity(new UrlEncodedFormEntity(name_value_pair, StandardCharsets.UTF_8)); HttpResponse response = httpclient.execute(httpost); HttpEntity entity = response.getEntity(); body = EntityUtils.toString(entity); } finally { httpclient.getConnectionManager().shutdown(); } return body; } /** * get 獲取 rest 資源 * * @param url * @return * @throws ClientProtocolException * @throws IOException */ public static String do_get(String url) throws ClientProtocolException, IOException { String body = "{}"; DefaultHttpClient httpclient = new DefaultHttpClient(); try { HttpGet httpget = new HttpGet(url); HttpResponse response = httpclient.execute(httpget); HttpEntity entity = response.getEntity(); body = EntityUtils.toString(entity); } finally { httpclient.getConnectionManager().shutdown(); } return body; } }