自己手动封装的OKHTTP类

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okhttputils工具类

public class OkHttpUtils {    private Handler handler = new Handler();    public Handler getHandler(){        return handler;    }    //单例    private static OkHttpUtils okHttpUtils = new OkHttpUtils();    private OkHttpUtils(){};    public static OkHttpUtils getInstance(){        return okHttpUtils;    }    private OkHttpClient client;    private void initOkHttpClient(){        if(client == null){            client = new OkHttpClient.Builder().build();        }    }    //公用的get请求方法  完成的功能不确定    public void doGet(String url, Callback callback){        initOkHttpClient();        Request request = new Request.Builder().url(url).build();        Call call = client.newCall(request);        call.enqueue(callback);    }}

方法类

public abstract class OnUiCallback implements Callback{    private Handler handler = OkHttpUtils.getInstance().getHandler();    public abstract void onFailed(Call call, IOException e);    public abstract void onSuccess(String result) throws IOException;    @Override    public void onFailure(final Call call, final IOException e) {        //该方式  存在问题  网络请求也跑到了主线程   待解决        //该方法就是把  线程post到handler所在的线程        handler.post(new Runnable() {            @Override            public void run() {                onFailed(call, e);            }        });    }    @Override    public void onResponse(final Call call, final Response response) throws IOException {        final String result = response.body().string();        //该方式  存在问题  网络请求也跑到了主线程   待解决        handler.post(new Runnable() {            @Override            public void run() {                try {                    onSuccess(result);                } catch (IOException e) {                    e.printStackTrace();                }            }        });    }}

post请求，

public class OkHttp3Utils {    private static OkHttpClient okHttpClient = null;    public OkHttp3Utils() {    }    private static OkHttpClient getOkHttpClient() {        synchronized (OkHttp3Utils.class) {            if (okHttpClient == null) {                okHttpClient = new OkHttpClient();            }        }        return okHttpClient;    }    //上传文件    public static void loadFile(String url, File file,String fileName){        OkHttpClient okHttpClient = getOkHttpClient();        //设置文件类型        RequestBody requestBody = RequestBody.create(MediaType.parse("application/octet-stream"),file);        //设置请求体        RequestBody body = new MultipartBody.Builder()                .setType(MultipartBody.FORM)                .addFormDataPart("image",fileName,requestBody)                .build();        //请求方式        Request request = new Request.Builder().url(url).post(body).build();        okHttpClient.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {            }            @Override            public void onResponse(Call call, Response response) throws IOException {                Log.i("成功","成功");            }        });    }    /**     * 1.接口地址     * 2.接口回调     */    public static void doGet(String url,Callback callback){        OkHttpClient okHttpClient = getOkHttpClient();        Request request = new Request.Builder().url(url).build();        okHttpClient.newCall(request).enqueue(callback);    }    /**     * 1.地址     * 2.接口回调     * 3.请求体     */    public static void doPost(String url, Map<String,String> map,Callback callback){        OkHttpClient okHttpClient = getOkHttpClient();        FormBody.Builder builder = new FormBody.Builder();        //遍历map集合   设置请求体        for (String mapKey : map.keySet()){           builder.add(mapKey,map.get(mapKey));        }        //设置请求方式        Request request = new Request.Builder().url(url).post(builder.build()).build();        //执行请求方式    接口回调        okHttpClient.newCall(request).enqueue(callback);    }    /**     *1.下载地址     */    public static void doDown(String url,Callback callback){        OkHttpClient okHttpClient = getOkHttpClient();        Request build = new Request.Builder().url(url).build();        okHttpClient.newCall(build).enqueue(callback);    }}

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