Android使用OKHttp库实现视频文件的上传到服务器功能

# -*- coding: utf-8 -*-from flask import Flask, render_template, jsonify, requestimport timeimport osimport base64app = Flask(__name__)UPLOAD_FOLDER = 'E:/myupload/picture'app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDERbasedir = os.path.abspath(os.path.dirname(__file__))ALLOWED_EXTENSIONS = set(['txt', 'png', 'jpg', 'xls', 'JPG', 'PNG', 'xlsx', 'gif', 'GIF','mp4'])# 用于判断文件后缀def allowed_file(filename): return '.' in filename and filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS# 上传文件@app.route('/api/upload', methods=['POST'], strict_slashes=False)def api_upload(): file_dir = os.path.join(basedir, app.config['UPLOAD_FOLDER']) if not os.path.exists(file_dir):  os.makedirs(file_dir) f = request.files['myfile'] # 从表单的file字段获取文件，myfile为该表单的name值 if f and allowed_file(f.filename): # 判断是否是允许上传的文件类型  fname = f.filename  print fname  ext = fname.rsplit('.', 1)[1] # 获取文件后缀  unix_time = int(time.time())  new_filename = str(unix_time) + '.' + ext # 修改了上传的文件名  f.save(os.path.join(file_dir, new_filename)) # 保存文件到upload目录  print new_filename  token = base64.b64encode(new_filename)  print token  return jsonify({"errno": 0, "errmsg": "上传成功", "token": token}) else:  return jsonify({"errno": 1001, "errmsg": "上传失败"})if __name__ == '__main__': app.run(debug=True)

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <LinearLayout  android:layout_width="wrap_content"  android:layout_marginLeft="10dp"  android:layout_marginRight="10dp"  android:layout_height="60dp"  android:layout_marginTop="80dp"  android:orientation="horizontal">  <TextView   android:layout_width="match_parent"   android:layout_height="50dp"   android:layout_gravity="center_vertical"   android:gravity="center"   android:text="视频名称："   android:textColor="@color/black2"   android:textSize="18dp"/>  <EditText   android:id="@+id/upload_video_name"   android:layout_width="280dp"   android:layout_height="50dp"   android:layout_gravity="center_vertical"   android:hint="请输入上传视频名称"   android:layout_marginLeft="5dp"   android:textSize="18dp"   /> </LinearLayout> <Button  android:id="@+id/video_select"  android:layout_width="match_parent"  android:layout_height="44dp"  android:layout_marginLeft="100dp"  android:layout_marginRight="100dp"  android:layout_marginTop="80dp"  android:background="@drawable/exit_btn_blue"  android:text="选择视频"  android:textStyle="bold"  android:textColor="@android:color/white"  android:textSize="20sp"/> <Button  android:id="@+id/video_upload"  android:layout_width="match_parent"  android:layout_height="44dp"  android:layout_marginLeft="100dp"  android:layout_marginRight="100dp"  android:layout_marginTop="40dp"  android:background="@drawable/exit_btn_blue"  android:text="点击上传"  android:textStyle="bold"  android:textColor="@android:color/white"  android:textSize="20sp"/> <TextView  android:id="@+id/post_text"  android:layout_marginTop="40dp"  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:gravity="center"  android:text="0" /> <ProgressBar  android:id="@+id/post_progress"  android:layout_marginLeft="20dp"  android:layout_marginRight="20dp"  style="?android:attr/progressBarStyleHorizontal"  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:max="100" /></LinearLayout>

package com.liu.dance.video;import android.app.Activity;import android.content.ContentResolver;import android.content.Context;import android.content.Intent;import android.database.Cursor;import android.net.Uri;import android.os.Environment;import android.provider.MediaStore;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.Log;import android.view.MenuItem;import android.view.View;import android.widget.EditText;import android.widget.ProgressBar;import android.widget.TextView;import android.widget.Toast;import com.liu.dance.R;import com.liu.dance.util.HttpUtil;import com.liu.dance.util.ProgressListener;import java.io.File;import java.net.URI;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import okhttp3.Call;import okhttp3.Callback;import okhttp3.Response;public class VideoUploadActivity extends AppCompatActivity { public static final String TAG = VideoUploadActivity.class.getName(); public final static int VEDIO_KU = 101; private String path = "";//文件路径 private ProgressBar post_progress; private TextView post_text; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_video_upload);  getSupportActionBar().setTitle("视频上传");  getSupportActionBar().setDisplayHomeAsUpEnabled(true);  final EditText video_name = (EditText)findViewById(R.id.upload_video_name);  post_progress = (ProgressBar) findViewById(R.id.post_progress);  post_text = (TextView) findViewById(R.id.post_text);  findViewById(R.id.video_select).setOnClickListener(new View.OnClickListener() {   @Override   public void onClick(View view) {    seleteVedio();    video_name.setText(path);   }  });  findViewById(R.id.video_upload).setOnClickListener(new View.OnClickListener() {   @Override   public void onClick(View view) {//    Toast.makeText(VideoUploadActivity.this, "路径："+basePath, Toast.LENGTH_LONG).show();    if(path.equals(""))     Toast.makeText(VideoUploadActivity.this, "请选择视频后，再点击上传！", Toast.LENGTH_LONG).show();    else {     File file = new File( path);     String postUrl = "http://120.79.82.151/api/upload";     HttpUtil.postFile(postUrl, new ProgressListener() {      @Override      public void onProgress(long currentBytes, long contentLength, boolean done) {       Log.i(TAG, "currentBytes==" + currentBytes + "==contentLength==" + contentLength + "==done==" + done);       int progress = (int) (currentBytes * 100 / contentLength);       post_progress.setProgress(progress);       post_text.setText(progress + "%");      }     }, new Callback() {      @Override      public void onFailure(Call call, IOException e) {      }      @Override      public void onResponse(Call call, Response response) throws IOException {       if (response != null) {        String result = response.body().string();        Log.i(TAG, "result===" + result);       }      }     }, file);    }   }  }); } @Override public boolean onOptionsItemSelected(MenuItem item) {  switch (item.getItemId()) {   case android.R.id.home:    finish();    break;   default:    break;  }  return super.onOptionsItemSelected(item); } public void seleteVedio() {  // TODO 启动相册  Intent intent = new Intent();  intent.setType("video/*");  intent.setAction(Intent.ACTION_GET_CONTENT);  intent.addCategory(Intent.CATEGORY_OPENABLE);  startActivityForResult(intent,VideoUploadActivity.VEDIO_KU); } /**  * 选择回调  */ @Override public void onActivityResult(int requestCode, int resultCode, Intent data) {  switch (requestCode) {   // TODO 视频   case VideoUploadActivity.VEDIO_KU:    if (resultCode == Activity.RESULT_OK) {     try {      Uri uri = data.getData();      uri = geturi(this, data);      File file = null;      if (uri.toString().indexOf("file") == 0) {       file = new File(new URI(uri.toString()));       path = file.getPath();      } else {       path = getPath(uri);       file = new File(path);      }      if (!file.exists()) {       break;      }      if (file.length() > 100 * 1024 * 1024) {//       "文件大于100M";       break;      }      //视频播放//      mVideoView.setVideoURI(uri);//      mVideoView.start();      //开始上传视频，//      submitVedio();     } catch (Exception e) {      String a=e+"";     } catch (OutOfMemoryError e) {      String a=e+"";     }    }    break;  } } public static Uri geturi(Context context, android.content.Intent intent) {  Uri uri = intent.getData();  String type = intent.getType();  if (uri.getScheme().equals("file") && (type.contains("image/"))) {   String path = uri.getEncodedPath();   if (path != null) {    path = Uri.decode(path);    ContentResolver cr = context.getContentResolver();    StringBuffer buff = new StringBuffer();    buff.append("(").append(MediaStore.Images.ImageColumns.DATA).append("=")      .append("'" + path + "'").append(")");    Cursor cur = cr.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,      new String[] { MediaStore.Images.ImageColumns._ID },      buff.toString(), null, null);    int index = 0;    for (cur.moveToFirst(); !cur.isAfterLast(); cur.moveToNext()) {     index = cur.getColumnIndex(MediaStore.Images.ImageColumns._ID);     // set _id value     index = cur.getInt(index);    }    if (index == 0) {     // do nothing    } else {     Uri uri_temp = Uri       .parse("content://media/external/images/media/"         + index);     if (uri_temp != null) {      uri = uri_temp;      Log.i("urishi", uri.toString());     }    }   }  }  return uri; } private String getPath(Uri uri) {  String[] projection = {MediaStore.Video.Media.DATA};  Cursor cursor = managedQuery(uri, projection, null, null, null);  int column_index = cursor    .getColumnIndexOrThrow(MediaStore.Video.Media.DATA);  cursor.moveToFirst();  return cursor.getString(column_index); }}

package com.liu.dance.util;import android.util.Log;import java.io.File;import java.util.concurrent.TimeUnit;import okhttp3.MediaType;import okhttp3.MultipartBody;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.RequestBody;/** * Created by 舞动的心 on 2018/3/5. */public class HttpUtil { private static OkHttpClient okHttpClient = new OkHttpClient.Builder().connectTimeout(10000, TimeUnit.MILLISECONDS)   .readTimeout(10000,TimeUnit.MILLISECONDS)   .writeTimeout(10000, TimeUnit.MILLISECONDS).build(); public static final MediaType JSON = MediaType.parse("application/json; charset=utf-8"); public static final MediaType MEDIA_TYPE_MARKDOWN = MediaType.parse("text/x-markdown; charset=utf-8");public static void postFile(String url, final ProgressListener listener, okhttp3.Callback callback, File...files){  MultipartBody.Builder builder = new MultipartBody.Builder();  builder.setType(MultipartBody.FORM);  Log.i("huang","files[0].getName()=="+files[0].getName());  //第一个参数要与Servlet中的一致  builder.addFormDataPart("myfile",files[0].getName(), RequestBody.create(MediaType.parse("application/octet-stream"),files[0]));  MultipartBody multipartBody = builder.build();  Request request = new Request.Builder().url(url).post(new ProgressRequestBody(multipartBody,listener)).build();  okHttpClient.newCall(request).enqueue(callback); }}

package com.liu.dance.util;/** * Created by 舞动的心 on 2018/3/8. */public interface ProgressListener { void onProgress(long currentBytes, long contentLength, boolean done);}

package com.liu.dance.util;import android.os.Parcel;import android.os.Parcelable;/** * Created by 舞动的心 on 2018/3/8. */public class ProgressModel implements Parcelable { private long currentBytes; private long contentLength; private boolean done = false; public ProgressModel(long currentBytes, long contentLength, boolean done) {  this.currentBytes = currentBytes;  this.contentLength = contentLength;  this.done = done; } public long getCurrentBytes() {  return currentBytes; } public void setCurrentBytes(long currentBytes) {  this.currentBytes = currentBytes; } public long getContentLength() {  return contentLength; } public void setContentLength(long contentLength) {  this.contentLength = contentLength; } public boolean isDone() {  return done; } public void setDone(boolean done) {  this.done = done; } private static final Creator<ProgressModel> CREATOR = new Creator<ProgressModel>() {  @Override  public ProgressModel createFromParcel(Parcel parcel) {   return new ProgressModel(parcel);  }  @Override  public ProgressModel[] newArray(int i) {   return new ProgressModel[i];  } }; @Override public int describeContents() {  return 0; } @Override public void writeToParcel(Parcel parcel, int i) {  parcel.writeLong(currentBytes);  parcel.writeLong(contentLength);  parcel.writeByte((byte) (done==true?1:0)); } protected ProgressModel(Parcel parcel) {  currentBytes = parcel.readLong();  contentLength = parcel.readLong();  done = parcel.readByte()!=0; }}

package com.liu.dance.util;import android.os.Handler;import android.os.Looper;import android.os.Message;import java.io.IOException;import okhttp3.MediaType;import okhttp3.RequestBody;import okio.Buffer;import okio.BufferedSink;import okio.ForwardingSink;import okio.Okio;import okio.Sink;/** * Created by 舞动的心 on 2018/3/8. */public class ProgressRequestBody extends RequestBody { public static final int UPDATE = 0x01; private RequestBody requestBody; private ProgressListener mListener; private BufferedSink bufferedSink; private MyHandler myHandler; public ProgressRequestBody(RequestBody body, ProgressListener listener) {  requestBody = body;  mListener = listener;  if (myHandler==null){   myHandler = new MyHandler();  } } class MyHandler extends Handler {  public MyHandler() {   super(Looper.getMainLooper());  }  @Override  public void handleMessage(Message msg) {   switch (msg.what){    case UPDATE:     ProgressModel progressModel = (ProgressModel) msg.obj;     if (mListener!=null)mListener.onProgress(progressModel.getCurrentBytes(),progressModel.getContentLength(),progressModel.isDone());     break;   }  } } @Override public MediaType contentType() {  return requestBody.contentType(); } @Override public long contentLength() throws IOException {  return requestBody.contentLength(); } @Override public void writeTo(BufferedSink sink) throws IOException {  if (bufferedSink==null){   bufferedSink = Okio.buffer(sink(sink));  }  //写入  requestBody.writeTo(bufferedSink);  //刷新  bufferedSink.flush(); } private Sink sink(BufferedSink sink) {  return new ForwardingSink(sink) {   long bytesWritten = 0L;   long contentLength = 0L;   @Override   public void write(Buffer source, long byteCount) throws IOException {    super.write(source, byteCount);    if (contentLength==0){     contentLength = contentLength();    }    bytesWritten += byteCount;    //回调    Message msg = Message.obtain();    msg.what = UPDATE;    msg.obj = new ProgressModel(bytesWritten,contentLength,bytesWritten==contentLength);    myHandler.sendMessage(msg);   }  }; }}