最近想做一个app，为小朋友推荐十万个为什么的故事，但是找了很久数据，发现挺难的找的，又去写爬虫，发现没有一个好的网站可以爬，最后一个偶然的机会在csdn上发现一个可用的接口，很快就把问题解决了，下面附上java实现方式，有兴趣的可以一看：

package com.xiaocongjisuan.module.example;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 java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;import java.util.HashMap;import java.util.Map;public class Application {         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appKey和openId     public static final String APP_KEY ="yours";     public static final String OPEN_ID ="yours";          //将map型转为请求参数型     public static String urlEncode(Map<String,Object> params) {                if(params==null){return "";};                 StringBuilder sb = new StringBuilder();        for (Map.Entry<String,Object> i : params.entrySet()) {            try {                sb.append(i.getKey()).append("=").append(URLEncoder.encode(i.getValue()+"","UTF-8")).append("&");            } catch (UnsupportedEncodingException e) {                e.printStackTrace();            }        }        String r=sb.toString();        if(r.endsWith("&")){            r = r.substring(0,r.length()-1);        }        return r;     }          /**     *     * @param requestUrl 请求地址     * @param params 请求参数     * @param method 请求方法     * @return 请求结果     * @throws Exception     */     public static String requestContent(String requestUrl, Map<String,Object> params,String method) throws Exception {                HttpURLConnection conn = null;        BufferedReader reader = null;        String rs = null;        try {            //组装请求链接            StringBuffer sb = new StringBuffer();                        if(method!=null&&method.equalsIgnoreCase("get")){                requestUrl = requestUrl+"?"+urlEncode(params);            }            //默认get            URL url = new URL(requestUrl);            conn = (HttpURLConnection) url.openConnection();            conn.setRequestMethod("GET");                        if(method!=null&&method.equalsIgnoreCase("post")){                 conn.setRequestMethod("POST");                 conn.setDoOutput(true);                 conn.setDoInput(true);            }            //参数配置            conn.setRequestProperty("User-agent", userAgent);            conn.setUseCaches(false);            conn.setConnectTimeout(DEF_CONN_TIMEOUT);            conn.setReadTimeout(DEF_READ_TIMEOUT);            conn.setInstanceFollowRedirects(false);            conn.connect();                        if (params!= null && method.equalsIgnoreCase("post")) {                try {                    DataOutputStream out = new DataOutputStream(conn.getOutputStream());                    out.writeBytes(urlEncode(params));                } catch (Exception e) {                    e.printStackTrace();                }            }                        //读取数据            InputStream is = conn.getInputStream();            reader = new BufferedReader(new InputStreamReader(is, DEF_CHATSET));            String strRead = null;            while ((strRead = reader.readLine()) != null) {                sb.append(strRead);            }            rs = sb.toString();                    } catch (IOException e) {            e.printStackTrace();        } finally {            if (reader != null) {                reader.close();            }            if (conn != null) {                conn.disconnect();            }        }        return rs;    }            public static void main(String[] args) throws Exception{                String domain="http://api.xiaocongjisuan.com/";        String servlet="life/thousandswhy/get";        String method="get";                String requestUrl=domain+servlet;        Map<String,Object> params=new HashMap<String,Object>();        params.put("appKey",APP_KEY);        params.put("openId",OPEN_ID);        //变动部分        params.put("keyword","为什么男的长胡子");        params.put("currentPage",1);        params.put("pageSize",10);        params.put("highlight",1);                String result=requestContent(requestUrl,params,method);        System.out.println(result);    }}

如果喜欢其他语言来实现，可以看看这个帖子：如何实现十万个为什么功能

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