Java tutorial
/** * @author williamz 201495 * * Copyright (c) 2013, Synnex and/or its affiliates. All rights reserved. * SYNNEX PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package api.location; import com.alibaba.fastjson.JSONObject; import org.apache.commons.io.IOUtils; import java.io.InputStream; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; import java.util.HashMap; import java.util.List; import java.util.Map; public class BaiduPlaceAPI { private URL url; private HttpURLConnection httpURLConn; public void myDoGet() { try { url = new URL(createUrlString()); httpURLConn = (HttpURLConnection) url.openConnection(); httpURLConn.setDoOutput(true); httpURLConn.setRequestMethod("GET"); httpURLConn.connect(); InputStream in = httpURLConn.getInputStream(); List<String> lines = IOUtils.readLines(in, "UTF-8"); StringBuilder sb = new StringBuilder(); for (String line : lines) { System.out.println(line); sb.append(line); } Response parsed = JSONObject.parseObject(sb.toString(), Response.class); System.out.println(parsed); } catch (Exception e) { e.printStackTrace(); } finally { if (httpURLConn != null) { httpURLConn.disconnect(); } } } private String createUrlString() throws UnsupportedEncodingException { String baseUrl = "http://api.map.baidu.com/place/v2/search?ak=2d33ba4d2ab64e03723feb96caa13c57"; Map<String, String> params = new HashMap<>(); params.put("query", URLEncoder.encode("", "UTF-8")); params.put("tag", URLEncoder.encode("?", "UTF-8")); params.put("region", URLEncoder.encode("?", "UTF-8")); params.put("output", "json"); StringBuilder sb = new StringBuilder(); for (String key : params.keySet()) { sb.append("&" + key + "=" + params.get(key)); } return baseUrl + sb.toString(); } public static void main(String[] args) { BaiduPlaceAPI hg = new BaiduPlaceAPI(); hg.myDoGet(); } }