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C# Net.WebAsyncResult类代码示例

本文整理汇总了C#中System.Net.WebAsyncResult的典型用法代码示例。如果您正苦于以下问题:C# WebAsyncResult类的具体用法?C# WebAsyncResult怎么用?C# WebAsyncResult使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


WebAsyncResult类属于System.Net命名空间,在下文中一共展示了WebAsyncResult类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Abort

		public override void Abort ()
		{
			if (Interlocked.CompareExchange (ref aborted, 1, 0) == 1)
				return;

			if (haveResponse && finished_reading)
				return;

			haveResponse = true;
			if (abortHandler != null) {
				try {
					abortHandler (this, EventArgs.Empty);
				} catch (Exception) {}
				abortHandler = null;
			}

			if (asyncWrite != null) {
				WebAsyncResult r = asyncWrite;
				if (!r.IsCompleted) {
					try {
						WebException wexc = new WebException ("Aborted.", WebExceptionStatus.RequestCanceled); 
						r.SetCompleted (false, wexc);
						r.DoCallback ();
					} catch {}
				}
				asyncWrite = null;
			}			

			if (asyncRead != null) {
				WebAsyncResult r = asyncRead;
				if (!r.IsCompleted) {
					try {
						WebException wexc = new WebException ("Aborted.", WebExceptionStatus.RequestCanceled); 
						r.SetCompleted (false, wexc);
						r.DoCallback ();
					} catch {}
				}
				asyncRead = null;
			}			

			if (writeStream != null) {
				try {
					writeStream.Close ();
					writeStream = null;
				} catch {}
			}

			if (webResponse != null) {
				try {
					webResponse.Close ();
					webResponse = null;
				} catch {}
			}
		}		
开发者ID:sesef,项目名称:mono,代码行数:54,代码来源:HttpWebRequest.cs

示例2: SetWriteStreamCB

		void SetWriteStreamCB (IAsyncResult ar)
		{
			WebAsyncResult result = ar as WebAsyncResult;

			if (result.Exception != null) {
				WebException wexc = result.Exception as WebException;
				if (wexc != null) {
					SetWriteStreamError (wexc.Status, wexc);
					return;
				}
				SetWriteStreamError (WebExceptionStatus.SendFailure, result.Exception);
				return;
			}
		
			haveRequest = true;

			if (bodyBuffer != null) {
				// The body has been written and buffered. The request "user"
				// won't write it again, so we must do it.
				if (auth_state.NtlmAuthState != NtlmAuthState.Challenge && proxy_auth_state.NtlmAuthState != NtlmAuthState.Challenge) {
					// FIXME: this is a blocking call on the thread pool that could lead to thread pool exhaustion
					writeStream.Write (bodyBuffer, 0, bodyBufferLength);
					bodyBuffer = null;
					writeStream.Close ();
				}
			} else if (method != "HEAD" && method != "GET" && method != "MKCOL" && method != "CONNECT" &&
					method != "TRACE") {
				if (getResponseCalled && !writeStream.RequestWritten)
					// FIXME: this is a blocking call on the thread pool that could lead to thread pool exhaustion
					writeStream.WriteRequest ();
			}

			if (asyncWrite != null) {
				asyncWrite.SetCompleted (false, writeStream);
				asyncWrite.DoCallback ();
				asyncWrite = null;
			}
		}
开发者ID:knocte,项目名称:mono,代码行数:38,代码来源:HttpWebRequest.cs

示例3: BeginGetRequestStream

		public override IAsyncResult BeginGetRequestStream (AsyncCallback callback, object state) 
		{
			if (Aborted)
				throw new WebException ("The request was canceled.", WebExceptionStatus.RequestCanceled);

			bool send = !(method == "GET" || method == "CONNECT" || method == "HEAD" ||
					method == "TRACE");
			if (method == null || !send)
				throw new ProtocolViolationException ("Cannot send data when method is: " + method);

			if (contentLength == -1 && !sendChunked && !allowBuffering && KeepAlive)
				throw new ProtocolViolationException ("Content-Length not set");

			string transferEncoding = TransferEncoding;
			if (!sendChunked && transferEncoding != null && transferEncoding.Trim () != "")
				throw new ProtocolViolationException ("SendChunked should be true.");

			lock (locker)
			{
				if (getResponseCalled)
					throw new InvalidOperationException ("The operation cannot be performed once the request has been submitted.");

				if (asyncWrite != null) {
					throw new InvalidOperationException ("Cannot re-call start of asynchronous " +
								"method while a previous call is still in progress.");
				}
	
				asyncWrite = new WebAsyncResult (this, callback, state);
				initialMethod = method;
				if (haveRequest) {
					if (writeStream != null) {
						asyncWrite.SetCompleted (true, writeStream);
						asyncWrite.DoCallback ();
						return asyncWrite;
					}
				}
				
				gotRequestStream = true;
				WebAsyncResult result = asyncWrite;
				if (!requestSent) {
					requestSent = true;
					redirects = 0;
					servicePoint = GetServicePoint ();
					abortHandler = servicePoint.SendRequest (this, connectionGroup);
				}
				return result;
			}
		}
开发者ID:sesef,项目名称:mono,代码行数:48,代码来源:HttpWebRequest.cs

示例4: GetRequestStream

		public override Stream GetRequestStream()
		{
			IAsyncResult asyncResult = asyncWrite;
			if (asyncResult == null) {
				asyncResult = BeginGetRequestStream (null, null);
				asyncWrite = (WebAsyncResult) asyncResult;
			}

			if (!asyncResult.IsCompleted && !asyncResult.AsyncWaitHandle.WaitOne (timeout, false)) {
				Abort ();
				throw new WebException ("The request timed out", WebExceptionStatus.Timeout);
			}

			return EndGetRequestStream (asyncResult);
		}
开发者ID:sesef,项目名称:mono,代码行数:15,代码来源:HttpWebRequest.cs

示例5: SetResponseError

		internal void SetResponseError (WebExceptionStatus status, Exception e, string where)
		{
			if (Aborted)
				return;
			lock (locker) {
			string msg = String.Format ("Error getting response stream ({0}): {1}", where, status);
			WebAsyncResult r = asyncRead;
			if (r == null)
				r = asyncWrite;

			WebException wexc;
			if (e is WebException) {
				wexc = (WebException) e;
			} else {
				wexc = new WebException (msg, e, status, null); 
			}
			if (r != null) {
				if (!r.IsCompleted) {
					r.SetCompleted (false, wexc);
					r.DoCallback ();
				} else if (r == asyncWrite) {
					saved_exc = wexc;
				}
				haveResponse = true;
				asyncRead = null;
				asyncWrite = null;
			} else {
				haveResponse = true;
				saved_exc = wexc;
			}
			}
		}
开发者ID:sesef,项目名称:mono,代码行数:32,代码来源:HttpWebRequest.cs

示例6: SetResponseData

		internal void SetResponseData (WebConnectionData data)
		{
			lock (locker) {
			if (Aborted) {
				if (data.stream != null)
					data.stream.Close ();
				return;
			}

			WebException wexc = null;
			try {
				webResponse = new HttpWebResponse (actualUri, method, data, cookieContainer);
			} catch (Exception e) {
				wexc = new WebException (e.Message, e, WebExceptionStatus.ProtocolError, null); 
				if (data.stream != null)
					data.stream.Close ();
			}

			if (wexc == null && (method == "POST" || method == "PUT")) {
				CheckSendError (data);
				if (saved_exc != null)
					wexc = (WebException) saved_exc;
			}

			WebAsyncResult r = asyncRead;

			bool forced = false;
			if (r == null && webResponse != null) {
				// This is a forced completion (302, 204)...
				forced = true;
				r = new WebAsyncResult (null, null);
				r.SetCompleted (false, webResponse);
			}

			if (r != null) {
				if (wexc != null) {
					haveResponse = true;
					if (!r.IsCompleted)
						r.SetCompleted (false, wexc);
					r.DoCallback ();
					return;
				}

				bool redirected;
				try {
					redirected = CheckFinalStatus (r);
					if (!redirected) {
						if (ntlm_auth_state != NtlmAuthState.None && authCompleted && webResponse != null
							&& (int)webResponse.StatusCode < 400) {
							WebConnectionStream wce = webResponse.GetResponseStream () as WebConnectionStream;
							if (wce != null) {
								WebConnection cnc = wce.Connection;
								cnc.NtlmAuthenticated = true;
							}
						}

						// clear internal buffer so that it does not
						// hold possible big buffer (bug #397627)
						if (writeStream != null)
							writeStream.KillBuffer ();

						haveResponse = true;
						r.SetCompleted (false, webResponse);
						r.DoCallback ();
					} else {
						if (webResponse != null) {
							if (ntlm_auth_state != NtlmAuthState.None) {
								HandleNtlmAuth (r);
								return;
							}
							webResponse.Close ();
						}
						finished_reading = false;
						haveResponse = false;
						webResponse = null;
						r.Reset ();
						servicePoint = GetServicePoint ();
						abortHandler = servicePoint.SendRequest (this, connectionGroup);
					}
				} catch (WebException wexc2) {
					if (forced) {
						saved_exc = wexc2;
						haveResponse = true;
					}
					r.SetCompleted (false, wexc2);
					r.DoCallback ();
					return;
				} catch (Exception ex) {
					wexc = new WebException (ex.Message, ex, WebExceptionStatus.ProtocolError, null); 
					if (forced) {
						saved_exc = wexc;
						haveResponse = true;
					}
					r.SetCompleted (false, wexc);
					r.DoCallback ();
					return;
				}
			}
			}
		}
开发者ID:sesef,项目名称:mono,代码行数:100,代码来源:HttpWebRequest.cs

示例7: Redirect

		bool Redirect (WebAsyncResult result, HttpStatusCode code)
		{
			redirects++;
			Exception e = null;
			string uriString = null;

			switch (code) {
			case HttpStatusCode.Ambiguous: // 300
				e = new WebException ("Ambiguous redirect.");
				break;
			case HttpStatusCode.MovedPermanently: // 301
			case HttpStatusCode.Redirect: // 302
			case HttpStatusCode.TemporaryRedirect: // 307
				/* MS follows the redirect for POST too
				if (method != "GET" && method != "HEAD") // 10.3
					return false;
				*/

				contentLength = -1;
				bodyBufferLength = 0;
				bodyBuffer = null;
				if (code != HttpStatusCode.TemporaryRedirect)
					method = "GET";
				uriString = webResponse.Headers ["Location"];
				break;
			case HttpStatusCode.SeeOther: //303
				method = "GET";
				uriString = webResponse.Headers ["Location"];
				break;
			case HttpStatusCode.NotModified: // 304
				return false;
			case HttpStatusCode.UseProxy: // 305
				e = new NotImplementedException ("Proxy support not available.");
				break;
			case HttpStatusCode.Unused: // 306
			default:
				e = new ProtocolViolationException ("Invalid status code: " + (int) code);
				break;
			}

			if (e != null)
				throw e;

			if (uriString == null)
				throw new WebException ("No Location header found for " + (int) code,
							WebExceptionStatus.ProtocolError);

			Uri prev = actualUri;
			try {
				actualUri = new Uri (actualUri, uriString);
			} catch (Exception) {
				throw new WebException (String.Format ("Invalid URL ({0}) for {1}",
									uriString, (int) code),
									WebExceptionStatus.ProtocolError);
			}

			hostChanged = (actualUri.Scheme != prev.Scheme || Host != prev.Authority);
			return true;
		}
开发者ID:sesef,项目名称:mono,代码行数:59,代码来源:HttpWebRequest.cs

示例8: WriteRequestAsync

		internal WebAsyncResult WriteRequestAsync (AsyncCallback callback, object state)
		{
			if (requestWritten)
				return null;

			requestWritten = true;
			if (sendChunked)
				return null;

			if (!allowBuffering || writeBuffer == null)
				return null;

			byte[] bytes = writeBuffer.GetBuffer ();
			int length = (int)writeBuffer.Length;
			if (request.ContentLength != -1 && request.ContentLength < length) {
				nextReadCalled = true;
				cnc.Close (true);
				throw new WebException ("Specified Content-Length is less than the number of bytes to write", null,
					WebExceptionStatus.ServerProtocolViolation, null);
			}

			var result = new WebAsyncResult (callback, state);
			result.InnerAsyncResult = SetHeadersAsync (true, WriteRequestAsyncCB, result);
			if (result.InnerAsyncResult == null)
				WriteRequestAsyncCB (result);
			return result;
		}
开发者ID:alaendle,项目名称:mono,代码行数:27,代码来源:WebConnectionStream.cs

示例9: BeginGetResponse

		public override IAsyncResult BeginGetResponse (AsyncCallback callback, object state)
		{
			if (Aborted)
				throw new WebException ("The request was canceled.", WebExceptionStatus.RequestCanceled);

			if (method == null)
				throw new ProtocolViolationException ("Method is null.");

#if !NET_2_0
			bool send = !(method == "GET" || method == "CONNECT" || method == "HEAD" ||
						method == "TRACE" || method == "DELETE");
			if (send && contentLength < 0 && !sendChunked && !allowBuffering && KeepAlive)
				throw new ProtocolViolationException ("Buffering is disabled, ContentLength is negative and SendChunked is disabled.");

			if (!send && (contentLength > -1 || sendChunked))
				throw new ProtocolViolationException ("ContentLength can't be set for non-write operations.");
#endif

			string transferEncoding = TransferEncoding;
			if (!sendChunked && transferEncoding != null && transferEncoding.Trim () != "")
				throw new ProtocolViolationException ("SendChunked should be true.");

			Monitor.Enter (locker);
			getResponseCalled = true;
			if (asyncRead != null && !haveResponse) {
				Monitor.Exit (locker);
				throw new InvalidOperationException ("Cannot re-call start of asynchronous " +
							"method while a previous call is still in progress.");
			}

			CheckIfForceWrite ();
			asyncRead = new WebAsyncResult (this, callback, state);
			WebAsyncResult aread = asyncRead;
			initialMethod = method;
			if (haveResponse) {
				Exception saved = saved_exc;
				if (webResponse != null) {
					Monitor.Exit (locker);
					if (saved == null) {
						aread.SetCompleted (true, webResponse);
					} else {
						aread.SetCompleted (true, saved);
					}
					aread.DoCallback ();
					return aread;
				} else if (saved != null) {
					Monitor.Exit (locker);
					aread.SetCompleted (true, saved);
					aread.DoCallback ();
					return aread;
				}
			}
			
			if (!requestSent) {
				requestSent = true;
				redirects = 0;
				servicePoint = GetServicePoint ();
				abortHandler = servicePoint.SendRequest (this, connectionGroup);
			}

			Monitor.Exit (locker);
			return aread;
		}
开发者ID:runefs,项目名称:Marvin,代码行数:63,代码来源:HttpWebRequest.cs

示例10: SetHeadersAsync

		internal WebAsyncResult SetHeadersAsync (bool setInternalLength, AsyncCallback callback, object state)
		{
			if (headersSent)
				return null;

			string method = request.Method;
			bool no_writestream = (method == "GET" || method == "CONNECT" || method == "HEAD" ||
			                      method == "TRACE");
			bool webdav = (method == "PROPFIND" || method == "PROPPATCH" || method == "MKCOL" ||
			              method == "COPY" || method == "MOVE" || method == "LOCK" ||
			              method == "UNLOCK");

			if (setInternalLength && !no_writestream && writeBuffer != null)
				request.InternalContentLength = writeBuffer.Length;

			if (sendChunked || request.ContentLength > -1 || no_writestream || webdav) {
				headersSent = true;
				headers = request.GetRequestHeaders ();

				var result = new WebAsyncResult (callback, state);
				result.InnerAsyncResult = cnc.BeginWrite (request, headers, 0, headers.Length, new AsyncCallback (SetHeadersCB), result);
				if (result.InnerAsyncResult != null)
					return result;
			}

			return null;
		}
开发者ID:alaendle,项目名称:mono,代码行数:27,代码来源:WebConnectionStream.cs

示例11: WriteRequest

		internal void WriteRequest ()
		{
			if (requestWritten)
				return;

			requestWritten = true;
			if (sendChunked)
				return;

			if (!allowBuffering || writeBuffer == null)
				return;

			byte [] bytes = writeBuffer.GetBuffer ();
			int length = (int) writeBuffer.Length;
			if (request.ContentLength != -1 && request.ContentLength < length) {
				nextReadCalled = true;
				cnc.Close (true);
				throw new WebException ("Specified Content-Length is less than the number of bytes to write", null,
							WebExceptionStatus.ServerProtocolViolation, null);
			}

			if (!headersSent) {
				string method = request.Method;
				bool no_writestream = (method == "GET" || method == "CONNECT" || method == "HEAD" ||
							method == "TRACE");
				if (!no_writestream)
					request.InternalContentLength = length;

				byte[] requestHeaders = request.GetRequestHeaders ();
				WebAsyncResult ar = new WebAsyncResult (null, null);
				SetHeadersAsync (requestHeaders, ar);
				ar.AsyncWaitHandle.WaitOne ();
				if (ar.Exception != null)
					throw ar.Exception;
			}

			if (cnc.Data.StatusCode != 0 && cnc.Data.StatusCode != 100)
				return;
				
			IAsyncResult result = null;
			if (length > 0)
				result = cnc.BeginWrite (request, bytes, 0, length, null, null);
			
			if (!initRead) {
				initRead = true;
				WebConnection.InitRead (cnc);
			}

			if (length > 0) 
				complete_request_written = cnc.EndWrite (request, result);
			else
				complete_request_written = true;
		}
开发者ID:quinnInChina,项目名称:mono,代码行数:53,代码来源:WebConnectionStream.cs

示例12: SetHeadersAsync

		internal void SetHeadersAsync (byte[] buffer, WebAsyncResult result)
		{
			if (headersSent)
				return;

			headers = buffer;
			long cl = request.ContentLength;
			string method = request.Method;
			bool no_writestream = (method == "GET" || method == "CONNECT" || method == "HEAD" ||
						method == "TRACE");
			bool webdav = (method == "PROPFIND" || method == "PROPPATCH" || method == "MKCOL" ||
			               method == "COPY" || method == "MOVE" || method == "LOCK" ||
			               method == "UNLOCK");
			if (sendChunked || cl > -1 || no_writestream || webdav) {

				headersSent = true;

				try {
					result.InnerAsyncResult = cnc.BeginWrite (request, headers, 0, headers.Length, new AsyncCallback(SetHeadersCB), result);
					if (result.InnerAsyncResult == null) {
						// when does BeginWrite return null? Is the case when the request is aborted?
						if (!result.IsCompleted)
							result.SetCompleted (true, 0);
						result.DoCallback ();
					}
				} catch (Exception exc) {
					result.SetCompleted (true, exc);
					result.DoCallback ();
				}
			} else {
				result.SetCompleted (true, 0);
				result.DoCallback ();
			}
		}
开发者ID:quinnInChina,项目名称:mono,代码行数:34,代码来源:WebConnectionStream.cs

示例13: BeginGetResponse

		public override IAsyncResult BeginGetResponse (AsyncCallback callback, object state)
		{
			if (Aborted)
				throw new WebException ("The request was canceled.", WebExceptionStatus.RequestCanceled);

			if (method == null)
				throw new ProtocolViolationException ("Method is null.");

			string transferEncoding = TransferEncoding;
			if (!sendChunked && transferEncoding != null && transferEncoding.Trim () != "")
				throw new ProtocolViolationException ("SendChunked should be true.");

			Monitor.Enter (locker);
			getResponseCalled = true;
			if (asyncRead != null && !haveResponse) {
				Monitor.Exit (locker);
				throw new InvalidOperationException ("Cannot re-call start of asynchronous " +
							"method while a previous call is still in progress.");
			}

			asyncRead = new WebAsyncResult (this, callback, state);
			WebAsyncResult aread = asyncRead;
			initialMethod = method;

			aread.InnerAsyncResult = CheckIfForceWrite (GetResponseAsyncCB, aread);
			if (aread.InnerAsyncResult == null)
				GetResponseAsyncCB2 (aread);
			else
				Monitor.Exit (locker);
			return aread;
		}
开发者ID:alaendle,项目名称:mono,代码行数:31,代码来源:HttpWebRequest.cs

示例14: CheckFinalStatus

		// Returns true if redirected
		bool CheckFinalStatus (WebAsyncResult result)
		{
			if (result.GotException) {
				bodyBuffer = null;
				throw result.Exception;
			}

			Exception throwMe = result.Exception;

			HttpWebResponse resp = result.Response;
			WebExceptionStatus protoError = WebExceptionStatus.ProtocolError;
			HttpStatusCode code = 0;
			if (throwMe == null && webResponse != null) {
				code = webResponse.StatusCode;
				if ((!auth_state.IsCompleted && code == HttpStatusCode.Unauthorized && credentials != null) ||
					(ProxyQuery && !proxy_auth_state.IsCompleted && code == HttpStatusCode.ProxyAuthenticationRequired)) {
					if (!usedPreAuth && CheckAuthorization (webResponse, code)) {
						// Keep the written body, so it can be rewritten in the retry
						if (MethodWithBuffer) {
							if (AllowWriteStreamBuffering) {
								if (writeStream.WriteBufferLength > 0) {
									bodyBuffer = writeStream.WriteBuffer;
									bodyBufferLength = writeStream.WriteBufferLength;
								}

								return true;
							}

							//
							// Buffering is not allowed but we have alternative way to get same content (we
							// need to resent it due to NTLM Authentication).
					 		//
							if (ResendContentFactory != null) {
								using (var ms = new MemoryStream ()) {
									ResendContentFactory (ms);
									bodyBuffer = ms.ToArray ();
									bodyBufferLength = bodyBuffer.Length;
								}
								return true;
							}
						} else if (method != "PUT" && method != "POST") {
							bodyBuffer = null;
							return true;
						}

						if (!ThrowOnError)
							return false;
							
						writeStream.InternalClose ();
						writeStream = null;
						webResponse.Close ();
						webResponse = null;
						bodyBuffer = null;
							
						throw new WebException ("This request requires buffering " +
									"of data for authentication or " +
									"redirection to be sucessful.");
					}
				}

				bodyBuffer = null;
				if ((int) code >= 400) {
					string err = String.Format ("The remote server returned an error: ({0}) {1}.",
								    (int) code, webResponse.StatusDescription);
					throwMe = new WebException (err, null, protoError, webResponse);
					webResponse.ReadAll ();
				} else if ((int) code == 304 && allowAutoRedirect) {
					string err = String.Format ("The remote server returned an error: ({0}) {1}.",
								    (int) code, webResponse.StatusDescription);
					throwMe = new WebException (err, null, protoError, webResponse);
				} else if ((int) code >= 300 && allowAutoRedirect && redirects >= maxAutoRedirect) {
					throwMe = new WebException ("Max. redirections exceeded.", null,
								    protoError, webResponse);
					webResponse.ReadAll ();
				}
			}

			bodyBuffer = null;
			if (throwMe == null) {
				bool b = false;
				int c = (int) code;
				if (allowAutoRedirect && c >= 300) {
					b = Redirect (result, code, webResponse);
					if (InternalAllowBuffering && writeStream.WriteBufferLength > 0) {
						bodyBuffer = writeStream.WriteBuffer;
						bodyBufferLength = writeStream.WriteBufferLength;
					}
					if (b && !unsafe_auth_blah) {
						auth_state.Reset ();
						proxy_auth_state.Reset ();
					}
				}

				if (resp != null && c >= 300 && c != 304)
					resp.ReadAll ();

				return b;
			}
				
//.........这里部分代码省略.........
开发者ID:JokerMisfits,项目名称:linux-packaging-mono,代码行数:101,代码来源:HttpWebRequest.cs

示例15: GetResponseAsyncCB2

		void GetResponseAsyncCB2 (WebAsyncResult aread)
		{
			if (haveResponse) {
				Exception saved = saved_exc;
				if (webResponse != null) {
					Monitor.Exit (locker);
					if (saved == null) {
						aread.SetCompleted (true, webResponse);
					} else {
						aread.SetCompleted (true, saved);
					}
					aread.DoCallback ();
					return;
				} else if (saved != null) {
					Monitor.Exit (locker);
					aread.SetCompleted (true, saved);
					aread.DoCallback ();
					return;
				}
			}

			if (!requestSent) {
				requestSent = true;
				redirects = 0;
				servicePoint = GetServicePoint ();
				abortHandler = servicePoint.SendRequest (this, connectionGroup);
			}

			Monitor.Exit (locker);
		}
开发者ID:alaendle,项目名称:mono,代码行数:30,代码来源:HttpWebRequest.cs


注:本文中的System.Net.WebAsyncResult类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。