Android retrofit上传文件实例(包含头像)

 //fresco compile 'com.facebook.fresco:fresco:+' //支持gif compile 'com.facebook.fresco:animated-gif:+' compile 'com.squareup.okhttp3:okhttp:3.9.1' compile 'com.google.code.gson:gson:2.8.1' //retrofit compile 'com.squareup.retrofit2:retrofit:+' compile 'com.squareup.retrofit2:converter-gson:+' //Rxjava2 compile 'io.reactivex.rxjava2:rxjava:+' compile 'io.reactivex.rxjava2:rxandroid:+' //让retrofit支持Rxjava2 compile 'com.squareup.retrofit2:adapter-rxjava2:+' compile 'com.squareup.okhttp3:logging-interceptor:3.9.1' 

 public class RetrofitUtils { //自定义路径 public static final String BASE_URL ="http://120.27.23.105/"; private final Retrofit mRetrofit; public static class SINGLE_HOLDER{ public static final RetiofitUtils INSTANCE = new RetiofitUtils(BASE_URL); } public static RetrofitUtils getInstance(){ return SINGLE_HOLDER.INSTANCE; } r private RetrofitUtils(String baseUrl){ mRetrofit = buildRetrofit(); } // private OkHttpClient buildOkHttpClient(){ HttpLoggingInterceptor logging = new HttpLoggingInterceptor(); logging.setLevel(HttpLoggingInterceptor.Level.BODY); return new OkHttpClient.Builder() .connectTimeout(10000, TimeUnit.MILLISECONDS) .addInterceptor(new Intercept())//拦截器 .addInterceptor(logging) .build(); } //创建retrofit private Retrofit buildRetrofit(){ return new Retrofit.Builder() .client(buildOkHttpClient()) .baseUrl(BASE_URL) .addConverterFactory(GsonConverterFactory.create()) .addCallAdapterFactory(RxJava2CallAdapterFactory.create()) .build(); } //泛型类 public  T create(Class tClass){ return mRetrofit.create(tClass); } }

 public interface RetiofitVpi { //查找用户信息 @GET("user/getUserInfo") Observable userBean(@Query("uid") String uid); //上传文件 @Multipart @POST("file/upload") Observable uploadFile(@Query("uid") String uid, @Part("file\"; filename=\"avatar.jpg-600") RequestBody file); }

 public class MainActivity extends AppCompatActivity { private SimpleDraweeView simple_drawee_view; private PopupWindow window; private String path; private Uri uri; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //初始化 Fresco.initialize(this); setContentView(R.layout.activity_main); //获取到头像的布局 simple_drawee_view = (SimpleDraweeView) findViewById(R.id.simple_drawee_view); path = Environment.getExternalStorageDirectory() + "/head.jpg-600"; //获取uid Observable userInfo = userBean("3600"); userInfo //需要在io子线程联网 .subscribeOn(Schedulers.io()) //需要在主线程更新UI .observeOn(AndroidSchedulers.mainThread()) .subscribe(new Consumer() { @Override public void accept(UserBean nicknameBean) throws Exception { UserBean.DataBean data = nicknameBean.getData(); uri = Uri.parse(data.getIcon()); simple_drawee_view.setImageURI(uri); } }, new Consumer() { @Override public void accept(Throwable throwable) throws Exception { Log.e("MainActivity",throwable.toString()); } }); //给上传头像的控件设置点击事件 simple_drawee_view.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { //得到更换头像的popwindow showPopwindow(); } }); } private Observable userBean(String uid) { RetiofitVpi iRetiofitVip = RetiofitUtils.getInstance().create(RetiofitVpi.class); return iRetiofitVip.userBean(uid); } }