OkHttp网络请求

//
import android.os.Handler;
import android.os.Message;

import java.io.IOException;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class OkHttpUtils {
private int HTTP_SUCCESS=1000;
private int HTTP_FAIL=1001;
public OkHttpUtils get(String url){
doHttp(url,0,null);
return this;
}
public OkHttpUtils post(String url,FormBody.Builder body){
doHttp(url,1,body);
return this;
}

private void doHttp(String url, int type, FormBody.Builder body) {
    OkHttpClient client=new OkHttpClient.Builder().addInterceptor(new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {
            Request request = chain.request();
            return chain.proceed(request);
        }
    }).build();
    Request.Builder builder = new Request.Builder();
    if (type==0){
        builder.get();
    }else {
        builder.post(body.build());
    }
    final Message message = Message.obtain();
    builder.url(url);
    Request request = builder.build();
    client.newCall(request).enqueue(new Callback() {
        @Override
        public void onFailure(Call call, IOException e) {
            message.what=HTTP_FAIL;
            message.obj=e.getMessage();
            handler.sendMessage(message);
        }

        @Override
        public void onResponse(Call call, Response response) throws IOException {
            message.what=HTTP_SUCCESS;
            message.obj=response.body().string();
            handler.sendMessage(message);
        }
    });
}
public Handler handler=new Handler(){
    @Override
    public void handleMessage(Message msg) {
        super.handleMessage(msg);
        if (msg.what==HTTP_SUCCESS){
            String data= (String) msg.obj;
            httpListener.success(data);
        }else {
            String error= (String) msg.obj;
            httpListener.success(error);
        }
    }
};
public HttpListener httpListener;

public void result(HttpListener httpListener) {
    this.httpListener = httpListener;
}

//    定义接口
public interface HttpListener{
    void success(String data);
    void fail(String error);
}

}