C# 和Java HttpWebRequest 和 HttpURLConnection (用法对照)
Post(JAVA)准备数据,form表单数据StringpostBody=MessageFormat.format("access_token={0}&nsp_svc={1}&nsp_ts={2}&device_token_list={3}&payload={4}",URLEncoder.encode(accessToken,"UTF-8"),URLEncoder.encode("openpus