Retrofit提交参数

1、Get请求

url请求示例
http://gank.io/api/data/福利/{pageCount}/{pageIndex}
http://gank.io/api/data/福利/5/1（5和1代表分页中的参数）

public interface Api {
    //http://gank.io/api/data/福利/5/1
    @GET("api/data/福利/{pageCount}/{pageIndex}")
    Call getData(@Path("pageCount") int pageCount,
                 @Path("pageIndex") int pageIndex);
}

使用方法：只需要传入

  Retrofit retrofit=new Retrofit.Builder()
                .baseUrl("http://gank.io/")
                .addConverterFactory(GsonConverterFactory.create())
                .build();
        Api api =retrofit.create(Api.class);
        Call call=api.getData(5,pages);
        call.enqueue(new Callback() {
            @Override
            public void onResponse(Call call, Response response) {

                arrayList.addAll(response.body().results);
                adapter.notifyDataSetChanged();
                Log.i("aaaa", arrayList.size() + "");
                refreshLayout.setRefreshing(false);

            }

            @Override
            public void onFailure(Call call, Throwable t) {
                refreshLayout.setRefreshing(false);
            }

        });

2、提交多个查询参数

url示例
http://api.map.baidu.com/telematics/v3/movie
?qt=hot_movie
&location=北京
&output=json
&ak=A72e372de05e63c8740b2622d0ed8ab1

方法一：每一个字段拼接到后面

  @GET("telematics/v3/movie/{qt}/{location}/{output}/{ak}")
    Call getMovie(
            @Query("qt") String qt,
            @Query("location") String location,
            @Query("output") String output,
            @Query("ak") String ak
    );

使用：

 Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("http://api.map.baidu.com/")
                .addConverterFactory(GsonConverterFactory.create())
                .build();
        ServiceApi api = retrofit.create(ServiceApi.class);
        Call call = api.getMovie("hot_movie","北京","json","A72e372de05e63c8740b2622d0ed8ab1");
        call.enqueue(new Callback() {
            @Override
            public void onResponse(Call call, Response response) {
                Movie movie=response.body();
                String date=movie.date;
                String error=movie.error;
                Movie.MoiveDeatil result = movie.result;
                list=result.movie;
                Log.i("date", date);
                Log.i("error", error);
                Log.i("result", list+"");
                adapter=new MyRecyclerViewAdapter(MainActivity.this,list);
                mRecyclerView.setAdapter(adapter);
            }

            @Override
            public void onFailure(Call call, Throwable t) {
                Log.i(TAG, "");
                text.setText("onFailure");

            }
        });

第二种方法，提交一个map
接口配置

public interface ServiceApi {
    @GET("telematics/v3/movie/")
    Call getMovie(
            @QueryMap Map map
    );
}

使用的时候提交map：

  Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("http://api.map.baidu.com/")
                .addConverterFactory(GsonConverterFactory.create())
                .build();
        ServiceApi api = retrofit.create(ServiceApi.class);
        Map map = new HashMap();
        map.put("qt", "hot_movie");
        map.put("location", "北京");
        map.put("output", "json");
        map.put("ak", "A72e372de05e63c8740b2622d0ed8ab1");
        Call call = api.getMovie(map);
       // Call call = api.getMovie("hot_movie","北京","json","A72e372de05e63c8740b2622d0ed8ab1");
        call.enqueue(new Callback() {
            @Override
            public void onResponse(Call call, Response response) {
                Movie movie=response.body();
                String date=movie.date;
                String error=movie.error;
                Movie.MoiveDeatil result = movie.result;
                list=result.movie;
                Log.i("date", date);
                Log.i("error", error);
                Log.i("result", list+"");
                adapter=new MyRecyclerViewAdapter(MainActivity.this,list);
                mRecyclerView.setAdapter(adapter);
            }

            @Override
            public void onFailure(Call call, Throwable t) {
                Log.i(TAG, "");
                text.setText("onFailure");

            }
        });

3、Post请求

post请求是将请求参数放在请求体中，而不是拼接到url后面，使用@field

@FormUrlEncoded
@POST("book/reviews")
Call addReviews(@Field("book") String bookId, @Field("title") String title,
@Field("content") String content, @Field("rating") String rating);

@FormUrlEncoded将会自动将请求参数的类型调整为application/x-www-form-urlencoded，假如content传递的参数为Good Luck，那么最后得到的请求体就是

content=Good+Luck

@Field注解将每一个请求参数都存放至请求体中，还可以添加encoded参数，该参数为boolean型，具体的用法为

@Field(value = "book", encoded = true) String book

@FieldMap
上述Post请求有4个请求参数，假如说有更多的请求参数，那么通过一个一个的参数传递就显得很麻烦而且容易出错，这个时候就可以用FieldMap

@FormUrlEncoded
 @POST("book/reviews")
 Call addReviews(@FieldMap Map fields);

@Body
如果Post请求参数有多个，那么统一封装到类中应该会更好，这样维护起来会非常方便

@FormUrlEncoded
@POST("book/reviews")
Call addReviews(@Body Reviews reviews);

public class Reviews {
    public String book;
    public String title;
    public String content;
    public String rating;
}

1、需要补全URL，post的数据只有一条reason

http://102.10.10.132/api/Comments/1
http://102.10.10.132/api/Comments/{newsId}

@FormUrlEncoded
@POST("Comments/{newsId}")
Call reportComment(
        @Path("newsId") String commentId,
        @Field("reason") String reason);

2、需要补全URL，问号后加入access_token，post的数据只有一条reason
http://102.10.10.132/api/Comments/1?access_token=1234123
http://102.10.10.132/api/Comments/{newsId}?access_token={access_token}

@FormUrlEncoded
@POST("Comments/{newsId}")
Call reportComment(
        @Path("newsId") String commentId,
        @Query("access_token") String access_token,
        @Field("reason") String reason);

3、需要补全URL，问号后加入access_token，post一个body（对象）

http://102.10.10.132/api/Comments/1?access_token=1234123
http://102.10.10.132/api/Comments/{newsId}?access_token={access_token}

@POST("Comments/{newsId}")
    Call<Comment> reportComment(
        @Path("newsId") String commentId,
        @Query("access_token") String access_token,
        @Body CommentBean bean);

4、@Path和Query的区别

1、url中没有？的时候用Path
http://gank.io/api/data/福利/5/1

2、url中有？的时候用Query
http://api.map.baidu.com/telematics/v3/movie
?qt=hot_movie
&location=北京
&output=json
&ak=A72e372de05e63c8740b2622d0ed8ab1

参考博客
http://blog.csdn.net/jdsjlzx/article/details/51607867

http://blog.csdn.net/duanyy1990/article/details/52139294