Android(安卓)Retrofit网络请求Service，@Path、@Query、@QueryMap、@Map...

本篇是Retrofit Url 配置 http://blog.csdn.net/jdsjlzx/article/details/51588605博客的补充。

GET请求

多个参数在URL问号之后，且个数不确定

http://api.stay4it.com/News?newsId=1&type=类型1…
http://api.stay4it.com/News?newsId={资讯id}&type={类型}…

@GET("News")Call<NewsBean> getItem(@QueryMap Map<String, String> map);

或者：

  @GET("News")  Call<NewsBean> getItem(              @Query("newsId") String newsId，              @QueryMap Map<String, String> map);

POST请求

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<Comment> reportComment( @Path("newsId") String commentId, @Field("reason") String reason);

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<Comment> reportComment( @Path("newsId") String commentId, @Query("access_token") String access_token, @Field("reason") String reason);

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);

DELETE

需要补全URL

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

{access_token}

@DELETE("Comments/{commentId}") Call<ResponseBody> deleteNewsCommentFromAccount( @Path("accountId") String accountId);

需要补全URL，问号后加入access_token

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

@DELETE("Comments/{commentId}") Call<ResponseBody> deleteNewsCommentFromAccount( @Path("accountId") String accountId， @Query("access_token") String access_token);

PUT（这个请求很少用到，例子就写一个）

http://102.10.10.132/api/Accounts/1
http://102.10.10.132/api/Accounts/{accountId}

 @PUT("Accounts/{accountId}")    Call<ExtrasBean> updateExtras(        @Path("accountId") String accountId,        @Query("access_token") String access_token,        @Body ExtrasBean bean);

总结

@Path：所有在网址中的参数（URL的问号前面），如：
http://102.10.10.132/api/Accounts/{accountId}
@Query：URL问号后面的参数，如：
http://102.10.10.132/api/Comments?access_token={access_token}
@QueryMap：相当于多个@Query
@Field：用于POST请求，提交单个数据
@Body：相当于多个@Field，以对象的形式提交

TIps

Tip1
使用@Field时记得添加@FormUrlEncoded
Tip2
若需要重新定义接口地址，可以使用@Url，将地址以参数的形式传入即可。如

 @GET  Call<List<Activity>> getActivityList(          @Url String url,          @QueryMap Map<String, String> map);

Call<List<Activity>> call = service.getActivityList( "http://115.159.198.162:3001/api/ActivitySubjects", map);

参考简书：http://www.jianshu.com/p/7687365aa946

还有@FieldMap

如匿名发表新评论：

接口地址为: /posts/create

HTTP请求方式: POST

请求示例为:

Request URL: http://api.duoshuo.com/posts/create.json
Request Method: POST
Post Data: short_name=official&author_email=jp.chenyang%40gmail.com&author_name=Perchouli&thread_id=1152923703638301959&author_url=http%3A%2F%2Fduoshuo.com&message=匿名发表新评论

1.Field方式实现

@FormUrlEncoded @POST("/posts/create.json") Call<CommitResult> createCommit(@Field("secret") String secret, @Field("short_name") String shortName, @Field("author_email") String authorEmail, @Field("author_name") String authorName, @Field("thread_key") String threadKey, @Field("author_url") String author_url, @Field("message") String message);

2.Field Map实现方式

@FormUrlEncoded @POST("/posts/create.json") Call<CommitResult> createCommit(@FieldMap Map<String, String> map);

获取Map方式如下:

public class CommitParam {    private String short_name;    private String author_email;    private String author_name;    private String thread_id;    private String author_url;    private String message;    public String getShort_name() {        return short_name;    }    public void setShort_name(String short_name) {        this.short_name = short_name;    }    public String getAuthor_email() {        return author_email;    }    public void setAuthor_email(String author_email) {        this.author_email = author_email;    }    public String getAuthor_name() {        return author_name;    }    public void setAuthor_name(String author_name) {        this.author_name = author_name;    }    public String getThread_id() {        return thread_id;    }    public void setThread_id(String thread_id) {        this.thread_id = thread_id;    }    public String getAuthor_url() {        return author_url;    }    public void setAuthor_url(String author_url) {        this.author_url = author_url;    }    public String getMessage() {        return message;    }    public void setMessage(String message) {        this.message = message;    }    public Map<String, String> createCommitParams(){        Map<String, String> params = new HashMap<>();        params.put("short_name", short_name);        params.put("author_email", author_email);        params.put("author_name", author_name);        params.put("thread_id", thread_id);        params.put("author_url", author_url);        params.put("message", message);        return params;    }}

具体使用：

package net.devwiki.retrofitdemo.duoshuo;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.util.Log;import android.view.View;import android.widget.Button;import net.devwiki.retrofitdemo.R;import java.util.Map;import butterknife.Bind;import butterknife.ButterKnife;import butterknife.OnClick;import retrofit2.Call;import retrofit2.Callback;import retrofit2.Response;public class DuoShuoActivity extends AppCompatActivity {    private static final String TAG = DuoShuoActivity.class.getSimpleName();    private DuoShuoApi duoShuoApi;    private CommitParam commitParam;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_duo_shuo);        ButterKnife.bind(this);        duoShuoApi = DuoShuoApi.getApi();        commitParam = new CommitParam();        commitParam.setSecret("key");        commitParam.setAuthor_email("xxx@163.com");        commitParam.setAuthor_name("xxx");        commitParam.setAuthor_url("http://www.devwiki.net");        commitParam.setShort_name("devwiki");        commitParam.setThread_key("2016/03/13/Gradle-Get-SVN-Version-Code/");        commitParam.setMessage("test commit!!!");    }    @OnClick({R.id.create_commit_single, R.id.create_commit_map})    public void onClick(View view) {        switch (view.getId()) {            case R.id.create_commit_single:                createSingle();                break;            case R.id.create_commit_map:                createMap();                break;        }    }    private Callback<CommitResult> callback = new Callback<CommitResult>() {        @Override        public void onResponse(Call<CommitResult> call, Response<CommitResult> response) {            if (response.isSuccessful()){                Log.i(TAG, "success!!!");                Log.i(TAG, "---" + response.body().toString());            } else {                Log.e(TAG, "+++" + response.message());            }        }        @Override        public void onFailure(Call<CommitResult> call, Throwable t) {            Log.e(TAG, "***" + t.getMessage());        }    };    private void createSingle(){        Call<CommitResult> call = duoShuoApi.getService().createCommit(                commitParam.getSecret(),                commitParam.getShort_name(),                commitParam.getAuthor_email(),                commitParam.getAuthor_name(),                commitParam.getThread_key(),                commitParam.getAuthor_url(),                commitParam.getMessage());        call.enqueue(callback);    }    private void createMap(){        Map map = commitParam.createCommitParams();        Call<CommitResult> call = duoShuoApi.getService().createCommit(map);        call.enqueue(callback);    }}

项目地址在此: Dev-Wiki/RetrofitDemo

GET请求

POST请求

DELETE

总结

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