Retrofit获取网络数据

compile 'com.squareup.retrofit2:retrofit:2.0.2'
compile 'com.squareup.okhttp3:okhttp:3.9.0'
compile 'com.squareup.retrofit2:converter-gson:2.3.0'

package com.bwie.retrofit;

import java.util.Map;

import okhttp3.ResponseBody;
import retrofit2.Call;
import retrofit2.http.FieldMap;
import retrofit2.http.FormUrlEncoded;
import retrofit2.http.POST;

public interface APIInterface {

/**
* https://api.github.com/users/Guolei1130 接口定义；注解方式添加请求方式；get请求内部放拼接的连接和需要传递的参数；
后面是/拼接的
返回对象
*/
//        @GET("users/{username}")
//        Call getLogin(@Path("username")String user);

/**
* 返回ResponseBody
*/
//    @GET("users/{username}")
//    CallgetLoginInfo(@Path("username")String user);

/**
* get请求  拼接参数
*/
//        @GET("ting?method=baidu.ting.billboard.billList&type=1&size=10")
//        Call getLoginInfo();

/**
* get请求  使用Query拼接参数
*/
//    @GET("ting?method=baidu.ting.billboard.billList")
//    Call getLoginInfo(@Query("type") String type , @Query("size") String haha);

/**
* post请求  拼接参数
*/
//    @POST("ting?method=baidu.ting.billboard.billList&type=1&size=10")
//    Call getLoginInfo();

/**
* post请求  使用Query拼接参数
*/
//        @POST("ting?method=baidu.ting.billboard.billList")
//        Call getLoginInfo(@Query("type") String type , @Query("size") String haha);

/**
* post请求  使用Field表单形式拼接参数
*/
//    @POST("ting?method=baidu.ting.billboard.billList")
//    @FormUrlEncoded
//    Call getLoginInfo(@Field("type") String type , @Field("size") String haha);

/**
* post请求  使用FieldMap集合形式拼接参数
*/
@POST("ting?method=baidu.ting.billboard.billList&type=1")
@FormUrlEncoded
CallgetLogin(@FieldMap Map map);

/**
* Http请求  可以在里面修改请求的方法，拼接的参数
*/
//    @HTTP(method = "GET",path ="ting?method=baidu.ting.billboard.billList&type=1&size=10",hasBody = false)
//    CallgetLoginInfo();
}

import android.os.Build;

import java.io.IOException;

import okhttp3.Interceptor;
import okhttp3.Request;
import okhttp3.Response;

/**
* 网络拦截器
*/

public class LoggingInterceptor implements Interceptor {
private static final String UA = "User-Agent";

@Override
public Response intercept(Chain chain) throws IOException {
Request request = chain.request()
.newBuilder()
.addHeader(UA, makeUA())
.build();
return chain.proceed(request);
}

private String makeUA() {
String s = Build.BRAND + "/" + Build.MODEL + "/" + Build.VERSION.RELEASE;
return Build.BRAND + "/" + Build.MODEL + "/" + Build.VERSION.RELEASE;
}

}

package com.bwie.retrofit;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import okhttp3.OkHttpClient;
import okhttp3.ResponseBody;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class MainActivity extends AppCompatActivity {
String url = "http://tingapi.ting.baidu.com/v1/restserver/";
String url1 = "https://api.github.com";

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
/**
* 如果要加拦截器等关于OKhttp的东西，就需要创建OkHttpClient实例
*/
OkHttpClient client = new OkHttpClient.Builder()
.addInterceptor(new LoggingInterceptor()).build();

Retrofit retrofit = new Retrofit.Builder()
.baseUrl(url)
.client(client)
.addConverterFactory(GsonConverterFactory.create())
.build();

APIInterface apiInterface = retrofit.create(APIInterface.class);
Map map = new HashMap<>();
//        ?method=baidu.ting.billboard.billList&type=1&size=10

//                map.put("aaa","type=1");
map.put("bbb","size=10");
Call call = apiInterface.getLogin(map);
//                Call call = apiInterface.getLoginInfo("10","1");
call.enqueue(new Callback() {
@Override
public void onResponse(Call call, Response response) {
//                        Toa
4000
st.makeText(MainActivity.this, response.body().getSong_list().get(1).getTitle(), Toast.LENGTH_SHORT).show();
try {
Log.i("TAG",response.body().string());
} catch (IOException e) {
e.printStackTrace();
}
Log.e("TAG", "成功");

}

@Override
public void onFailure(Call call, Throwable t) {
Log.e("TAG", "错误");

}
});

//        APIInterface apiInterface = retrofit.create(APIInterface.class);//获取请求接口实例；
//        Call call = apiInterface.getLogin("Guolei1130");
//        call.enqueue(new Callback() {
//            @Override
//            public void onResponse(Call call, Response response) {
//                Log.e("TEST", Thread.currentThread().getName());
//                Log.e("TEST", response.body().toString());
//                Toast.makeText(MainActivity.this, response.body().toString(), Toast.LENGTH_SHORT).show();
//            }
//
//            @Override
//            public void onFailure(Call call, Throwable t) {
//
//            }
//        });
//
//        Call call = apiInterface.getLoginInfo("Guolei1130");
//        call.enqueue(new Callback() {
//            @Override
//            public void onResponse(Call call, Response response) {
//                try {
//                    Log.e("TEST", response.body().string());
//                } catch (IOException e) {
//                    e.printStackTrace();
//                }
//            }
//
//            @Override
//            public void onFailure(Call call, Throwable t) {
//
//            }
//        });

//同步请求，必须在子线程；
//Response  =call.execute();

}
}