public class query {public static JSONArray result(int typeId, int page) {// 接口地址String requestUrl = "https://www.xxx.com/xxxxx";// params用于存储要请求的参数，我的请求参数为typeId，pageMap<String, Object> params = new HashMap<String, Object>();params.put("typeId", typeId);params.put("page", page);// 调用httpRequest方法，这个方法主要用于请求地址，并加上请求参数String string = httpRequest(requestUrl, params);// 处理返回的json数据，获取data JSONArrayJSONArray iwanna = JSONObject.fromObject(string).getJSONArray("data");//处理JSONArray，取出需要的newsId与title值JSONArray iwanna1 = new JSONArray();        JSONObject row = null;  for (int i = 0; i < iwanna.size(); i++) {  row = iwanna.getJSONObject(i);JSONObject row1=new JSONObject();row1.put("newsId",row.get("newsId"));row1.put("title",row.get("title"));iwanna1.add(row1);}return iwanna1;}public static String httpRequest(String requestUrl, Map<String, Object> params) {// buffer用于接受返回的字符StringBuffer buffer = new StringBuffer();try {// 建立URL，把请求地址给补全，其中urlencode（）方法用于把params里的参数给取出来URL url = new URL(requestUrl + "?" + urlencode(params));//System.out.println(url);// 打开http连接HttpURLConnection httpUrlConn = (HttpURLConnection) url.openConnection();httpUrlConn.setDoInput(true);httpUrlConn.setRequestMethod("GET");//请求头部信息，根据实际需求添加httpUrlConn.addRequestProperty("id", "xxx");httpUrlConn.addRequestProperty("secret", "xxxxx");httpUrlConn.connect();// 获取输入的参数InputStream inputStream = httpUrlConn.getInputStream();InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");BufferedReader bufferedReader = new BufferedReader(inputStreamReader);// 将bufferReader的值给放到buffer里String str = null;while ((str = bufferedReader.readLine()) != null) {buffer.append(str);}// 关闭bufferReader和输入流bufferedReader.close();inputStreamReader.close();inputStream.close();inputStream = null;// 断开连接httpUrlConn.disconnect();} catch (Exception e) {e.printStackTrace();}// 返回字符串return buffer.toString();}public static String urlencode(Map<String, Object> data) {// 将map里的参数变成像typeId=###&page=###&的样子StringBuilder sb = new StringBuilder();for (Map.Entry i : data.entrySet()) {try {sb.append(i.getKey()).append("=").append(URLEncoder.encode(i.getValue() + "", "UTF-8")).append("&");} catch (UnsupportedEncodingException e) {e.printStackTrace();}}return sb.toString();}// 测试是否有效public static void main(String[] args) {System.out.println(result(509, 4));}}

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{"code": 1,"msg": "数据返回成功！","data": [{"title": "海外破产谣言四起 留给王健林的时间不多了","imgList": ["http://cms-bucket.ws.126.net/2020/0416/9d9d0344j00q8uu3g001xc000zk00k0c.jpg"],"source": "新财富","newsId": "FAANASFF00259DLP","digest": "","postTime": "2020-04-16 07:31:52","videoList": null},{"title": "4月多地出台楼市调控政策 刚需释放房企销售\"回温\"","imgList": ["http://cms-bucket.ws.126.net/2020/0416/332d09fcp00q8uu8j0056c0009c005uc.png"],"source": "中国网财经","newsId": "FAAQ2DQK00259DLP","digest": "","postTime": "2020-04-16 08:19:40","videoList": null},{"title": "财经派云对话|张玮：疫情是否会加重逆全球化？","imgList": ["http://cms-bucket.ws.126.net/2020/0416/03c6931cj00q8uvfa009zc000s600e3c.jpg"],"source": "","newsId": "221127","digest": null,"postTime": "2020-04-16 08:37:08","videoList": null},{"title": "南财早新闻丨最新房价数据今日公布；欧美股市全线收跌，美油跌跌不休创18年新低","imgList": ["http://cms-bucket.ws.126.net/2020/0416/10cb86f2j00q8urz8000hc000a8006dc.jpg"],"source": "21世纪经济报道","newsId": "FAAN83HM05199NPP","digest": "","postTime": "2020-04-16 07:30:34","videoList": null},{"title": "高盛、美国银行、花旗等一季度利润跌超40%","imgList": null,"source": "金融界","newsId": "FAAL9OM40519QIKK","digest": "","postTime": "2020-04-16 06:56:17","videoList": null},{"title": "华为紧盯汽车：HiCar今年落地 野心不止车联网","imgList": ["http://cms-bucket.ws.126.net/2020/0416/ca71a10ep00q8utne00xtc001hc00zkc.png"],"source": "每日经济新闻","newsId": "FAAPB3S800258105","digest": "","postTime": "2020-04-16 08:06:56","videoList": null},{"title": "诺诚健华-B(09969)超额配股权获悉数行使 涉及3754.8万股","imgList": null,"source": "智通财经网","newsId": "FAAJOFT405198UNI","digest": "","postTime": "2020-04-16 06:29:23","videoList": null}]
}

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[{"title": "海外破产谣言四起 留给王健林的时间不多了","newsId": "FAANASFF00259DLP",},{"title": "4月多地出台楼市调控政策 刚需释放房企销售\"回温\"","newsId": "FAAQ2DQK00259DLP",},{"title": "财经派云对话|张玮：疫情是否会加重逆全球化？","newsId": "221127",},{"title": "南财早新闻丨最新房价数据今日公布；欧美股市全线收跌，美油跌跌不休创18年新低","newsId": "FAAN83HM05199NPP",},{"title": "高盛、美国银行、花旗等一季度利润跌超40%","newsId": "FAAL9OM40519QIKK",},{"title": "华为紧盯汽车：HiCar今年落地 野心不止车联网","newsId": "FAAPB3S800258105",},{"title": "诺诚健华-B(09969)超额配股权获悉数行使 涉及3754.8万股","newsId": "FAAJOFT405198UNI",}]

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public class news {//获取新闻详细内容
public static String detail(int typeId, int page) {//调用query，获取newsIdJSONArray newsid=query.result(typeId,page);//循环获取到的newsId，得到新闻的详细内容for (int i = 0; i < newsid.size(); i++) {  JSONObject row = null; row = newsid.getJSONObject(i);System.out.println((String) row.get("title"));//调用details方法，获取System.out.println(details((String) row.get("newsId")));System.out.println("----------------------");}return "success";}public static String details(String newsId) {// 接口地址String requestUrl = "https://www.xxx.com/xxxxx";//与前部分接口调用相同Map<String, Object> params = new HashMap<String, Object>();params.put("newsId", newsId);String news = query.httpRequest(requestUrl,params);// 判断接口调用是否成功JSONObject judge = JSONObject.fromObject(news);//code=0接口调用失败if(judge.getInt("code")==0) {return judge.getString("msg");}//code=1接口调用成功if(judge.getInt("code")==1) {//处理返回的json数据并处理JSONObject iwanna = JSONObject.fromObject(news).getJSONObject("data");return iwanna.getString("content");}return "success";}public static void main(String[] args){System.out.println(detail(509,1));}
}

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