Java模拟新浪微博登陆抓取数据

{"retcode":0,"servertime":1487292003,"pcid":"gz-9e1f24c9acdefb111e1c8078558c7d9c0bf2","nonce":"VHRDG1","pubkey":"EB2A38568661887FA180BDDB5CABD5F21C7BFD59C090CB2D245A87AC253062882729293E5506350508E7F9AA3BB77F4333231490F915F6D63C55FE2F08A49B353F444AD3993CACC02DB784ABBB8E42A9B1BBFFFB38BE18D78E87A0E41B9B8F73A928EE0CCEE1F6739884B9777E4FE9E88A1BBE495927AC4A799B3181D6442443","rsakv":"1330428213","is_openlock":0,"lm":1,"smsurl":"https:\/\/login.sina.com.cn\/sso\/msglogin&＃63;entry=weibo&mobile=18360903574&s=ea7a2e91c5f1d6da7f42aa87fe6963d0","showpin":0,"exectime":222}

/**
 * @author LongJin
 * @description 初始登录信息
 返回false说明初始失败
 * @return
 */
 public boolean preLogin(){
 boolean flag = false;
 try {
 su = new String(Base64.encodeBase64(URLEncoder.encode(username, "UTF-8").getBytes()));
 String url = "http://login.sina.com.cn/sso/prelogin.php&＃63;entry=weibo&rsakt=mod&checkpin=1&" +
  "client=ssologin.js(v1.4.5)&_=" + getTimestamp();
 url += "&su=" + su;
 String content;
 cOntent= HttpUtils.getRequest(client, url);
 System.out.println("content------------" + content);
 JSONObject json = JSONObject.fromObject(content);
 System.out.println(json);
 servertime = json.getLong("servertime");
 nOnce= json.getString("nonce");
 rsakv = json.getString("rsakv");
 pubkey = json.getString("pubkey");
 flag = encodePwd();
 } catch (UnsupportedEncodingException e) {
 System.out.println("抛出UnsupportedEncoding异常");
 } catch (ClientProtocolException e) {
 System.out.println("抛出ClientProtocol异常");
 } catch (IOException e) {
 System.out.println("抛出IO异常");
 }
 return flag;
 }

到此整个登陆就完成了，望有不足之处多提点。
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