content: package com.xiaochao.lcrapiddevelop.Data.Retrofit;
  
  import java.io.IOException;
  import java.util.concurrent.TimeUnit;
  
  import okhttp3.Interceptor;
  import okhttp3.OkHttpClient;
  import okhttp3.Request;
  import okhttp3.Response;
  
  /*
   * okHttp的配置
   * 其实完全可以直接写到RetrofitUtils  但是请求头比较重要 单独拿出来 方便你们扩展
   */
  public class OkHttpUtils {
  
      private static OkHttpClient mOkHttpClient;
  
      /**
       * 获取OkHttpClient对象
       */
      public static OkHttpClient getOkHttpClient() {
  
          if (null == mOkHttpClient) {
  
              //同样okhttp3后也使用build设计模式
              mOkHttpClient = new OkHttpClient.Builder()
                      //添加拦截器
                      .addInterceptor(mTokenInterceptor)
                      //添加网络连接器
                      //设置请求读写的超时时间
                      .connectTimeout(30, TimeUnit.SECONDS)
                      .writeTimeout(30, TimeUnit.SECONDS)
                      .readTimeout(30, TimeUnit.SECONDS)
                      .build();
  
          }
  
          return mOkHttpClient;
      }
      /**
       * 云端响应头拦截器
       * 用于添加统一请求头  请按照自己的需求添加
       * 主要用于加密传输 和设备数据传输
       */
      private static final Interceptor mTokenInterceptor = new Interceptor() {
          @Override public Response intercept(Chain chain) throws IOException {
              Request originalRequest = chain.request();
              Request authorised = originalRequest.newBuilder()
                      .header("FromSource", "1.0")
                      .build();
              return chain.proceed(authorised);
          }
      };
  }
  