新浪微博短連接API 接口文檔地址: http://open.weibo.com/wiki/Short_url/shorten。html
用到的Java jar包:java
httpclient-4.5.jar,httpclient-cache-4.5.jar,httpclient-win-4.5.jar,httpcore-4.4.1.jar,httpmime-4.5.jar,fastjson-1.2.2.jar。json
下載地址:http://download.csdn.net/detail/litter_fisher/9923346。api
package space; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.URL; import java.net.URLConnection; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONArray; import com.alibaba.fastjson.JSONObject; public class TestWeibo { static String actionUrl = "http://api.t.sina.com.cn/short_url/shorten.json"; static String APPKEY = "2815391962,31641035,3271760578,3925598208"; public static void main(String[] args) { String longUrl = "https://www.baidu.com"; TestWeibo tw = new TestWeibo(); System.out.println(tw.sinaShortUrl(longUrl)); } public String sinaShortUrl(String longUrl){ longUrl = java.net.URLEncoder.encode(longUrl); String appkey = APPKEY; String[] sourceArray = appkey.split(","); for(String key:sourceArray){ String shortUrl = sinaShortUrl(key,longUrl); if(shortUrl != null){ return shortUrl; } } return null; } public String sinaShortUrl(String source, String longUrl){ String result = sendPost(actionUrl, "url_long="+longUrl+"&source="+source); if(result==null || "".equals(result)){ return ""; } JSONArray jsonArr = JSON.parseArray(result); JSONObject json = JSON.parseObject(jsonArr.get(0).toString()); String ret = json.get("url_short").toString(); return ret; } /** * 向指定 URL 發送POST方法的請求 * @param url 發送請求的 URL * @param param 請求參數,請求參數應該是 name1=value1&name2=value2 的形式。 * @return 所表明遠程資源的響應結果 */ public static String sendPost(String url, String param) { PrintWriter out = null; BufferedReader in = null; String result = ""; try { URL realUrl = new URL(url); // 打開和URL之間的鏈接 URLConnection conn = realUrl.openConnection(); // 設置通用的請求屬性 conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); // 發送POST請求必須設置以下兩行 conn.setDoOutput(true); conn.setDoInput(true); // 獲取URLConnection對象對應的輸出流 out = new PrintWriter(conn.getOutputStream()); // 發送請求參數 out.print(param); // flush輸出流的緩衝 out.flush(); // 定義BufferedReader輸入流來讀取URL的響應 in = new BufferedReader(new InputStreamReader(conn.getInputStream())); String line; while ((line = in.readLine()) != null) { result += line; } } catch (Exception e) { System.out.println("發送 POST 請求出現異常!"+e); e.printStackTrace(); } //使用finally塊來關閉輸出流、輸入流 finally{ try{ if(out!=null){ out.close(); } if(in!=null){ in.close(); } } catch(IOException ex){ ex.printStackTrace(); } } return result; } }
附註:app
appkey來源及參考連接:url
2815391962 使用新浪API生成短鏈接(http://www.cnblogs.com/Jimmy-pan/p/5784611.html),spa
31641035 新浪短連接API接口示例(http://blog.csdn.net/jiangzunshao/article/details/53439172), .net
3271760578 新浪短網址API接口(https://www.douban.com/note/249723561)。code