private static OkHttpUtils okHttpUtils = null; private MyHandler myHandler = new MyHandler(); private OkLoadListener okLoadListener; //单例 public static OkHttpUtils getInstance() { if (okHttpUtils == null) { okHttpUtils = new OkHttpUtils(); } return okHttpUtils; } //get public void okGet(String url) { OkHttpClient client = new OkHttpClient.Builder().addInterceptor(new MyInter()).build(); Request request = new Request.Builder().url(url).build(); Call call = client.newCall(request); call.enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Message message = myHandler.obtainMessage(); message.what = 0; message.obj = e.getMessage(); myHandler.sendMessage(message); } @Override public void onResponse(Call call, Response response) throws IOException { Message message = myHandler.obtainMessage(); message.what = 1; message.obj = response.body().string(); myHandler.sendMessage(message); } }); } //post public void okPost(String url, Map<String, String> map) { OkHttpClient client = new OkHttpClient.Builder().addInterceptor(new MyInter()).build(); //创建FormBody FormBody.Builder builder = new FormBody.Builder(); //遍历map Set<String> keys = map.keySet(); for (String key : keys) { String value = map.get(key); builder.add(key, value+""); } //build FormBody body = builder.build(); Request request = new Request.Builder().url(url).post(body).build(); Call call = client.newCall(request); call.enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { Message message = myHandler.obtainMessage(); message.what = 0; message.obj = e.getMessage(); myHandler.sendMessage(message); } @Override public void onResponse(Call call, Response response) throws IOException { Message message = myHandler.obtainMessage(); message.what = 1; message.obj = response.body().string(); myHandler.sendMessage(message); } }); } //拦截器 class MyInter implements Interceptor { private static final String TAG = "MyInter"; @Override public Response intercept(Chain chain) throws IOException { //获取原来的body Request request = chain.request(); RequestBody body = request.body(); if (body instanceof FormBody) { //遍历原来的所有参数,加到新的Body里面,最后将公共参数加到新的Body FormBody.Builder newBuilder = new FormBody.Builder(); for (int i = 0; i < ((FormBody) body).size(); i++) { String name = ((FormBody) body).name(i); String value = ((FormBody) body).value(i); //放入新的 newBuilder.add(name, value); } //在将公共参数添加进去 newBuilder.add("source", "android"); FormBody newBody = newBuilder.build(); //创建新的请求 Request newRequest = request.newBuilder().post(newBody).build(); Response response = chain.proceed(newRequest); return response; } return null; } } //handler class MyHandler extends Handler { @Override public void handleMessage(Message msg) { switch (msg.what) { case 0: //失败 String e = (String) msg.obj; okLoadListener.okLoadError(e); break; case 1: //成功 String json = (String) msg.obj; okLoadListener.okLoadSuccess(json); break; } } } //提高外部调用的接口 public void setOkLoadListener(OkLoadListener okLoadListener) { this.okLoadListener = okLoadListener; }
https://blog.csdn.net/qq_16240393/article/details/54863646