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用WeiboAuthListener获取code

用下面的代码获取token。。半成品的sdk真让人捉急。

class="dp-j" start="1">
1.   

1. String code = values.getString("code");  
2.             if(code != null){  
3.                 mText.setText("取得认证code: \r\n Code: " + code);  
4.                 Toast.makeText(MainActivity.this, "认证code成功", Toast.LENGTH_SHORT).show();  
5.             }  
6.               
7.             try {  
8.                 URL url = new URL("https://api.weibo.com/oauth2/access_token");  
9.                 URLConnection connection = url.openConnection();  
10.                 connection.setDoOutput(true);  
11.                 OutputStreamWriter out = new OutputStreamWriter(connection    
12.                         .getOutputStream(), "utf-8");  
13.                 out.write("client_id=id&client_secret=secret&grant_type=authorization_code" +  
14.                         "&code="+code+"&redirect_uri=uri");  
15.                 out.flush();    
16.                 out.close();  
17.                 String sCurrentLine;    
18.                 String sTotalString;    
19.                 sCurrentLine = "";    
20.                 sTotalString = "";    
21.                 InputStream l_urlStream;    
22.                 l_urlStream = connection.getInputStream();    
23.                 BufferedReader l_reader = new BufferedReader(new InputStreamReader(    
24.                         l_urlStream));    
25.                 while ((sCurrentLine = l_reader.readLine()) != null) {    
26.                     sTotalString += sCurrentLine;    
27.                 }  
28.                   
29.                 JSONObject o=new JSONObject(sTotalString);  
30.                 System.out.println(o.getString("access_token"));  
31.                   
32.             } catch (Exception e) {  
33.                 // TODO Auto-generated catch block  
34.                 e.printStackTrace();  
35.             }