Exemplo n.º 1
0
 /// <summary>
 /// 下载文件。
 /// </summary>
 /// <param name="address">网址。</param>
 /// <param name="fileName">本地保存文件位置。</param>
 /// <param name="refererUrl">来路(引用页面)。</param>
 public void DownloadFile(Uri address, string fileName, Uri refererUrl)
 {
     lock (this) {
         using (HttpWebClient webclient = CreateWebClient(refererUrl)) {
             DownloadFileInternal(address, fileName, webclient, 0, null);
             ResponseHeaders = webclient.ResponseHeaders;
         }
     }
 }
Exemplo n.º 2
0
 /// <summary>
 /// 上传数据(自定义上传方式)。
 /// </summary>
 /// <param name="address">网址。</param>
 /// <param name="data">要上传的数据。</param>
 /// <param name="refererUrl">来路(引用页面)。</param>
 /// <returns>返回上传后获取到的数据。</returns>
 public byte[] UploadData(Uri address, byte[] data, Uri refererUrl)
 {
     lock (this) {
         using (HttpWebClient webclient = CreateWebClient(refererUrl)) {
             byte[] result = UploadDataInternal(address, data, webclient, 0, null);
             ResponseHeaders = webclient.ResponseHeaders;
             return(result);
         }
     }
 }
Exemplo n.º 3
0
 /// <summary>
 /// 上传文件。
 /// </summary>
 /// <param name="address">网址。</param>
 /// <param name="fileName">本地文件位置。</param>
 /// <param name="refererUrl">来路(引用页面)。</param>
 /// <returns>返回上传之后获取到的数据。</returns>
 public byte[] UploadFile(Uri address, string fileName, Uri refererUrl)
 {
     lock (this) {
         using (HttpWebClient webclient = CreateWebClient(refererUrl)) {
             byte[] result = UploadFileInternal(address, fileName, webclient, 0, null);
             ResponseHeaders = webclient.ResponseHeaders;
             return(result);
         }
     }
 }
Exemplo n.º 4
0
 /// <summary>
 /// 上传数据(Post文本,普通表单)。
 /// </summary>
 /// <param name="address">网址。</param>
 /// <param name="data">要上传的数据。</param>
 /// <param name="refererUrl">来路(引用页面)。</param>
 /// <returns>返回上传后获取到的内容。</returns>
 public string UploadString(Uri address, string data, Uri refererUrl)
 {
     lock (this) {
         using (HttpWebClient webclient = CreateWebClient(refererUrl)) {
             string result = UploadStringInternal(address, data, webclient, 0, null);
             ResponseHeaders = webclient.ResponseHeaders;
             return(result);
         }
     }
 }
Exemplo n.º 5
0
        /// <summary>
        /// 创建HttpWebClient的实例。
        /// </summary>
        /// <param name="refererUrl">来路(引用页面)。</param>
        /// <returns>返回HttpWebClient的实例。</returns>
        protected HttpWebClient CreateWebClient(Uri refererUrl)
        {
            HttpWebClient result = new HttpWebClient();

            //result.Headers["User-Agent"] = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; CIBA; InfoPath.2; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
            //result.Headers["User-Agent"] = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)";
            //result.Headers["Accept"] = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*";
            //result.Headers["Accept-Language"] = "zh-cn";
            result.BaseAddress = BaseAddress;
            if (Headers != null)
            {
                foreach (string item in Headers.AllKeys)
                {
                    result.Headers[item] = Headers[item];
                }
            }
            if (refererUrl != null)
            {
                result.Headers["Referer"] = refererUrl.AbsoluteUri;
            }
            if (AutomaticDecompression != null)
            {
                result.AutomaticDecompression = AutomaticDecompression.Value;
            }
            if (AllowAutoRedirect != null)
            {
                result.AllowAutoRedirect = AllowAutoRedirect.Value;
            }
            if (Expect100Continue != null)
            {
                result.Expect100Continue = Expect100Continue.Value;
            }
            if (AutoAppendPostHeader != null)
            {
                result.AutoAppendPostHeader = AutoAppendPostHeader.Value;
            }

            if (Timeout > 0)
            {
                result.Timeout = Timeout;
            }
            result.Cookies = Cookies;
            if (Proxy != null)
            {
                result.Proxy = Proxy;
            }
            if (Encoding != null)
            {
                result.Encoding = Encoding;
            }
            return(result);
        }
Exemplo n.º 6
0
        private byte[] UploadDataInternal(Uri address, byte[] data, HttpWebClient webclient, int count, Exception e)
        {
            if (count > RetryCount)
            {
                if (e != null)
                {
                    throw e;
                }
                return(new byte[0]);
            }

            try {
                return(webclient.UploadData(address, data));
            } catch (WebException ex) {
                return(UploadDataInternal(address, data, webclient, count + 1, ex));
            }
        }
Exemplo n.º 7
0
        private byte[] UploadFileInternal(Uri address, string fileName, HttpWebClient webclient, int count, Exception e)
        {
            if (count > RetryCount)
            {
                if (e != null)
                {
                    throw e;
                }
                return(new byte[0]);
            }

            try {
                return(webclient.UploadFile(address, fileName));
            } catch (WebException ex) {
                return(UploadFileInternal(address, fileName, webclient, count + 1, ex));
            }
        }
Exemplo n.º 8
0
        private string UploadStringInternal(Uri address, string data, HttpWebClient webclient, int count, Exception e)
        {
            if (count > RetryCount)
            {
                if (e != null)
                {
                    throw e;
                }
                return(string.Empty);
            }

            try {
                return(webclient.UploadString(address, data));
            } catch (WebException ex) {
                return(UploadStringInternal(address, data, webclient, count + 1, ex));
            }
        }
Exemplo n.º 9
0
        private void DownloadFileInternal(Uri address, string fileName, HttpWebClient webclient, int count, Exception e)
        {
            if (count > RetryCount)
            {
                if (e != null)
                {
                    throw e;
                }
                return;
            }

            try {
                webclient.DownloadFile(address, fileName);
            } catch (WebException ex) {
                DownloadFileInternal(address, fileName, webclient, count + 1, ex);
            }
        }