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最近一直在搞android上传图片、视频、文件，服务端使用wcf接收，本文对调试中的遇到的问题进行记录。
首先android上传一些小图片是比较容易的一天下来差不多就能调试出来，但是上传一些大的文件时就出现各种问题，包括wcf默认支持64k的文件，后来大图片可以上传了，但是传视频又有问题，上传的视频打不开，经过努力google最后问题终于解决了。作者kwstu QQ806693619
以下是调试代码：原文链接：http://www.kwstu.com/ArticleView/kwstu_2013327194830639
一、Android:
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package com.kwstu.palmjn;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import org.apache.http.HttpResponse;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpPost;import org.apache.http.entity.InputStreamEntity;import org.apache.http.impl.client.DefaultHttpClient;import android.app.Activity;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.os.Bundle;import android.os.Environment;import android.os.Handler;import android.os.Message;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageView;public class UpladeActivity extends Activity { private Button update_btn; private ImageView img_img; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.uploadactivity); findAll(); bind(); } public void findAll() { update_btn = (Button) this.findViewById(R.id.update_btn); img_img = (ImageView) this.findViewById(R.id.img_img); } public void bind() { update_btn.setOnClickListener(mylistener); } private View.OnClickListener mylistener = new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub switch (v.getId()) { case R.id.update_btn: Thread th1 = new Thread(new mythread()); th1.start(); break; default: break; } } }; Handler hd = new Handler() { @Override public void handleMessage(Message msg) { // TODO Auto-generated method stub // super.handleMessage(msg); if (msg.what == 123) { String jason = msg.obj.toString(); String filepath = Environment.getExternalStorageDirectory() + File.separator + jason; Bitmap bitmap1 = BitmapFactory.decodeFile(filepath); img_img.setImageBitmap(bitmap1); } } }; class mythread implements Runnable { public void run() { // TODO Auto-generated method stub HttpClient hc = new DefaultHttpClient(); HttpPost hp = new HttpPost(wcf地址); HttpResponse hr; InputStreamEntity reqEntity; String path = 上传文件路径; File f = new File(path); if (f.exists()) { System.out.println("successful"); try { reqEntity = new InputStreamEntity(new FileInputStream(path), -1); reqEntity.setContentType("binary/octet-stream"); reqEntity.setChunked(true); // Send in multiple parts if needed hp.setEntity(reqEntity); System.out.println("4"); HttpResponse response = hc.execute(hp); System.out.println("5"); } catch (ClientProtocolException e) { // TODO Auto-generated catch block System.out.println(e.getMessage()); //e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block //e.printStackTrace(); System.out.println(e.getMessage()); } } } }} |
Wcf代码：
接口
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[OperationContract][WebInvoke(BodyStyle = WebMessageBodyStyle.WrappedRequest, RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]string update_pictrue(Stream getStream); |
实现
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public string update_pictrue(Stream getStream) { Console.WriteLine("setData service has bean started!"); string uploadFolder = @"C:\kkk\"; string savaPath = "sss"; //string dateString = DateTime.Now.ToShortDateString() + @"\"; string fileName ="ddd.mp4"; //Stream sourceStream = request.FileData; FileStream targetStream = null; if (!getStream.CanRead) { throw new Exception("数据流不可读!"); } if (savaPath == null) savaPath = @"Photo\"; if (!savaPath.EndsWith("\\")) savaPath += "\\"; uploadFolder = uploadFolder + savaPath; //+ dateString; if (!Directory.Exists(uploadFolder)) { Directory.CreateDirectory(uploadFolder); } string filePath = Path.Combine(uploadFolder, fileName); using (targetStream = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.None)) { //read from the input stream in 4K chunks //and save to output stream const int bufferLen = 4096; byte[] buffer = new byte[bufferLen]; int count = 0; while ((count = getStream.Read(buffer, 0, bufferLen)) > 0) { targetStream.Write(buffer, 0, count); } targetStream.Close(); getStream.Close(); } return ""; } |
配置很重要必须支持大文件上传
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<?xml version="1.0"?><configuration> <system.serviceModel> <behaviors> <serviceBehaviors> <behavior name="Host.ServiceBehavior"> <serviceMetadata httpGetEnabled="true"/> <serviceDebug includeExceptionDetailInFaults="false"/> <dataContractSerializer maxItemsInObjectGraph="2147483647"/> </behavior> </serviceBehaviors> <endpointBehaviors> <behavior name="json"> <enableWebScript /> </behavior> </endpointBehaviors> </behaviors> <services> <service name="Host.Service" behaviorConfiguration="Host.ServiceBehavior"> <endpoint binding="webHttpBinding" contract="Host.IService" behaviorConfiguration="json" bindingConfiguration="LargeBuffer"> <identity> <dns value="localhost"/> </identity> </endpoint> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/> <host> <baseAddresses> </baseAddresses> </host> </service> </services> <bindings> <webHttpBinding> <binding name="LargeBuffer" maxBufferSize="2147483647" maxReceivedMessageSize="2147483647"> <readerQuotas maxStringContentLength="2147483647" maxArrayLength="2147483647"/> <security mode="None"></security> </binding> </webHttpBinding> </bindings> </system.serviceModel> <system.webServer> <modules runAllManagedModulesForAllRequests="true"/> </system.webServer><startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup></configuration> |
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原文地址：http://www.cnblogs.com/yuanzhengang/p/4565675.html
