参考 SDK demo
IOClient target = new IOClient();
PutExtra extra = new PutExtra(); // TODO: 初始化为适当的值
extra.MimeType = "image/jpeg";//设置文件的类型
PutPolicy put = new PutPolicy(bucket);
PutRet ret = target.PutFile(put.Token(), key, fname, extra);
提示:System.Net.WebRequest webRequest = System.Net.WebRequest.Create (url);
Stream reqStream = webRequest.GetRequestStream();
无法连接到服务器
url 为 UP_HOST = "http://upload.qiniu.com"; 用浏览器直接访问该地址却可以,怎么解决?