String url = "https://api.weibo.com/oauth2/access_token";
Map<String, String> mapData = new HashMap<String, String>();
mapData.put("client_id", "1570065866");
mapData.put("client_secret", "388725da138272e2d577fbcf480816ea");
mapData.put("grant_type", "authorization_code");
mapData.put("redirect_uri", "https://api.weibo.com/oauth2/default.html");
mapData.put("code", "d47ad7eeaf07901b9372645b3777a05c");
String content = HttpClientUtils.getWebContentByPost(url, mapData, "GBK");
System.out.println("content=" + content);