[英]Upload a file from Android to WCF in Azure
我正在嘗試將文件從android上傳到azure,這讓我發瘋。 我認為設置中有一些東西,因為我已經確認代碼可以在IIS中使用android。 現在,我可以在C#中訪問該方法,但是服務器上的流為空。 在android中,我收到415錯誤“類型不匹配”。 任何幫助,萬分感謝!
這是我的C#測試客戶端:
ServiceReference1.PostImage2Request r = new ServiceReference1.PostImage2Request();
MemoryStream memStream = new MemoryStream();
using (FileStream fileStream = File.OpenRead("C:\\crap.png"))
{
memStream.SetLength(fileStream.Length);
fileStream.Read(memStream.GetBuffer(), 0, (int)fileStream.Length);
}
r.image = memStream;
ServiceReference1.RestServiceImplClient c = new ServiceReference1.RestServiceImplClient();
ServiceReference1.PostImage2Response p = c.PostImage2(r);
這是我的客戶端配置:
<system.serviceModel>
<bindings>
<basicHttpBinding>
<binding name="BasicHttpBinding_IRestServiceImpl" />
</basicHttpBinding>
</bindings>
<client>
<endpoint address="http://testapp.cloudapp.net/Service1.svc"
binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IRestServiceImpl"
contract="ServiceReference1.IRestServiceImpl" name="BasicHttpBinding_IRestServiceImpl" />
</client>
這是我的android代碼:
String url = "https://testapp.cloudapp.net/Service1.svc/postimage2";
String filepath = String.format(Environment.getExternalStorageDirectory() + "/ImageStorage/1.jpg");
File f = new File(filepath);
if (f.exists())
{
DefaultHttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(url);
ResponseHandler<String> responseHandler = new BasicResponseHandler();
//This is the new shit to deal with MIME
MultipartEntity entity = new MultipartEntity();
entity.addPart("image", new FileBody(f, "multipart/form-data"));
httppost.setEntity(entity);
try {
String responseString = httpclient.execute(httppost, responseHandler);
這是我的服務器代碼:
[OperationContract]
[WebInvoke(Method = "POST", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json, BodyStyle = WebMessageBodyStyle.Bare, UriTemplate = "PostImage2")]
string PostImage2(Stream image);
public string PostImage2(Stream image)
{
MultipartParser parser = new MultipartParser(image);
string content = "testing123";
try
{
if (image == null)
return "Image stream is null";
// Read the stream into a byte array
byte[] data = parser.ToByteArray(image);
// Copy to a string for header parsing
content = Encoding.UTF8.GetString(data);
if (content == "")
content = "There is no content";
return content + " - dataLength: " + data.Length.ToString();
}
catch (Exception ex)
{
return "ERROR" + ex.Message + ex.InnerException + ex.StackTrace;
}
}
這是我的服務器配置:
<system.serviceModel>
<behaviors>
<serviceBehaviors>
<behavior name="WCFServiceWebRole2.Service1Behavior">
<!-- To avoid disclosing metadata information, set the value below to false before deployment -->
<serviceMetadata httpGetEnabled="true"/>
<!-- To receive exception details in faults for debugging purposes, set the value below to true. Set to false before deployment to avoid disclosing exception information -->
<serviceDebug includeExceptionDetailInFaults="true"/>
</behavior>
</serviceBehaviors>
</behaviors>
<serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
<bindings>
<basicHttpBinding>
<binding name="BasicHttpBinding_WCFServiceWebRole2" transferMode="Streamed" maxBufferSize="10485760" maxReceivedMessageSize="67108864">
<readerQuotas maxDepth="64" maxStringContentLength="214748364" maxArrayLength="214748364"
maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<security mode="None">
<transport clientCredentialType="None" />
</security>
</binding>
</basicHttpBinding>
</bindings>
<services>
<service name="WCFServiceWebRole2.Service1" behaviorConfiguration="WCFServiceWebRole2.Service1Behavior">
<endpoint address="" binding="basicHttpBinding" contract="WCFServiceWebRole2.IRestServiceImpl"/>
<endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
</service>
</services>
您使用分段格式有什么特殊原因嗎? 通常這樣做是因為您要在一個請求中發送多個內容。 例如,一個文件和一些關聯的數據,或幾個文件等。您似乎並沒有這樣做,所以多部分格式設置只會使問題變得混亂。 除非您有充分理由進行多部分格式化,否則我將完全刪除它。 讓您的客戶端發送原始字節,讓服務器代碼直接從流中讀取,而無需使用MultipartParser
。
另外,我注意到一旦獲得圖像數據,您將嘗試將其讀取為UTF8數據。 我可以肯定地說這是行不通的,而且可能不是
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.