===

OKHttp主要功能

1、联网请求文本数据
2、大文件下载
3、大文件上传
4、请求图片

get请求

Request request = new Request.Builder()
            .url(url)
            .build();
    Response response = client.newCall(request).execute();
    return response.body().string();

post请求

RequestBody body = RequestBody.create(JSON, json);
    Request request = new Request.Builder()
            .url(url)
            .post(body)
            .build();
    Response response = client.newCall(request).execute();
    return response.body().string();

第三方封装好的OKHttp库-okhttp-utils

get请求

url="http://api.m.mtime.cn/PageSubArea/TrailerList.api";
    OkHttpUtils
            .get()
            .url(url)
            .id(100)
            .build()
            .execute(new MyStringCallback());

post请求
    url="http://api.m.mtime.cn/PageSubArea/TrailerList.api";
    OkHttpUtils
            .post()
            .url(url)
            .id(100)
            .build()
            .execute(new MyStringCallback());

okhttp-utils文件下载

String url = "http://vfx.mtime.cn/Video/2016/07/24/mp4/160724154733643806.mp4";
    OkHttpUtils//
            .get()//
            .url(url)//
            .build()//
            .execute(new FileCallBack(Environment.getExternalStorageDirectory().getAbsolutePath(),
"160724154733643806.mp4")//
            {

@Override
public void onBefore(Request request, int id) {
}

@Override
                public void inProgress(float progress, long total, int id) {
                    mProgressBar.setProgress((int) (100 * progress));
                    Log.e(TAG, "inProgress
:" + (int) (100 * progress));
                }

@Override
                public void onError(Call call, Exception e, int id) {
                    Log.e(TAG, "onError :"
+ e.getMessage());
                }

@Override
                public void onResponse(File file, int id) {
                    Log.e(TAG, "onResponse
:" + file.getAbsolutePath());
                }
            });

文件上传

public void multiFileUpload()
{
    String mBaseUrl = "http://192.168.10.165:8080/FileUpload/FileUploadServlet";
    File file = new File(Environment.getExternalStorageDirectory(),
"1.jpg");
    File file2 = new File(Environment.getExternalStorageDirectory(),
"1.txt");
    if (!file.exists())
    {
        Toast.makeText(MainActivity.this, "文件不存在，请修改文件路径", Toast.LENGTH_SHORT).show();
        return;
    }
    Map<String, String> params = new HashMap<>();
    params.put("username", "杨光福");
    params.put("password", "123");

String url = mBaseUrl;
    OkHttpUtils.post()//
            .addFile("mFile", "messenger_01.png", file)//
            .addFile("mFile", "test1.txt", file2)//
            .url(url)
            .params(params)//
            .build()//
            .execute(new MyStringCallback());
}

====

rxjava retrofit okhttp

get请求

@GET("text.from?key=ae240f7fba620fc370b803566654949e")

Observable<JokeBean> getCurrentJokeData(

@Query("page") int page,

@Query("pagesize") int pagesize );

======

巴特西

android 流行框架的使用

OKHttp主要功能

第三方封装好的OKHttp库-okhttp-utils

okhttp-utils文件下载

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