Retrofit实战(一)一个简单的示例

@GET("public")
Call<BaseResult<List<User>>> getUser();

@POST("User")
Call<BaseResult<String>> addUser();

@PUT("User")
Call<BaseResult<String>> updateUser();

@DELETE("User")
Call<BaseResult<String>> deleteUser();

/**
* method 表示请的方法，不区分大小写
* path表示路径
* hasBody表示是否有请求体
*/
@HTTP(method = "get", path = "public", hasBody = false)
Call<BaseResult<List<User>>> getUser();

//使用@Headers添加单个请求头
@Headers("Cache-Control:public,max-age=120")
@GET("mobile/active")
Call<ResponseBody> getActive(@Query("id") int activeId);

//使用@Headers添加多个请求头
@Headers({
"User-Agent:android"
"Cache-Control:public,max-age=120",
})
@GET("mobile/active")
Call<ResponseBody> getActive(@Query("id") int activeId);

@GET("mobile/active")
Call<ResponseBody> getActive(@Header("token") String token,@Query("id") int activeId);

Map<String,REquestBody>

{"password":"123456778","username":"fendo"}

public class Login {
private String username;
private String password;

public LoginPost(String username, String password) {
this.username = username;
this.password = password;
}

}

@POST("mobile/login")
Call<ResponseBody> login(@Body Login post);

Retrofit retrofit = new Retrofit.Builder()
.baseUrl("https://www.fendo.com/")
.addConverterFactory(GsonConverterFactory.create())
.build();

@POST("mobile/register")
Call<ResponseBody> registerDevice(@Field("id") String registerid);

@Multipart
@POST("public")
Call<BaseResult> uploadFile(@Part MultipartBody.Part file);

@Multipart
@POST("public")
Call<BaseResult> uploadFile(@PartMap Map<String,RequestBody> RequestBodyMap);

@GET("users/{user}/repos")
Call<BaseResult<List<User>>> getUser(@Path("path") String path);

Retrofit retrofit = new Retrofit.Builder()
.baseUrl("http://www.fendo.com/pulamsi/")
//增加返回值为String的支持
.addConverterFactory(ScalarsConverterFactory.create())
//增加返回值为Gson的支持(以实体类返回)
.addConverterFactory(GsonConverterFactory.create())
//增加返回值为Oservable<T>的支持
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
.build();

http://example.com/api/

@GET("public")
Call<BaseResult<List<User>>> getUser(@Query("userId") String userId);

@GET("public")
Call<BaseResult<List<User>>> getUser(@QueryMap Map<String,String> map);

@GET("public")
Call<BaseResult<List<User>>> getUser(@Url String url);

@FormUrlEncoded
@POST("public")
Call<BaseResult> addUser(@Field("userName") String userName);

@Multipart
@POST("applist/apps/detail")
Call<ResponsePojo> sendDetail(@Part("name1") String name1,@Part("name2") String name2);

@Multipart
@POST("applist/apps/detail")
Call<ResponsePojo> sendDetail(@PartMap Map<String, String> names);

//上传文件
@POST("applist/apps/detail")
Call<ResponseResult> sendFile(RequestBody fileRequest);

appListApi.sendFile(RequestBody.create(MediaType.parse("text/html"), new File("/sdcard/test.html")));

Call<ResponseResult> sendFile(
@Part("filename=test1") RequestBody fileRequest1 ,
@Part("filename=test2") RequestBody fileRequest2);

@Multipart
@POST("applist/apps/detail")
Call<ResponseResult> sendFile(
@Part("filename=test1") RequestBody fileRequest1 ,
@Part("filename=test2") RequestBody fileRequest2);

@Streaming
@GET("download")
Call<ResponseBody> downloadFile();

//Retrofit2所需要的包
compile 'com.squareup.retrofit2:retrofit:2.2.0'
//ConverterFactory的Gson依赖包
compile 'com.squareup.retrofit2:converter-gson:2.2.0'
compile 'com.squareup.retrofit2:converter-scalars:2.2.0'

public interface RobotServes {
// 使用这个接口返回的值是String
@GET("robot/index")
Call<String> getString(@Query("info") String info, @Query("key") String key);

// 使用这个接口返回的值已经封装成实体类了
@GET("robot/index")
Call<RobotResponse> get(@Query("info") String info, @Query("key") String key);

}

{
"reason": "APPKEY错误或为空 ",
"result": null,
"error_code": 10001
}

package com.example.retrofit.model;

/**
* Created by fendo on 2017/4/30.
*/

public class ResultResponse {
private String code;
private String text;

public String getCode() {
return code;
}

public void setCode(String code) {
this.code = code;
}

public String getText() {
return text;
}

public void setText(String text) {
this.text = text;
}
}

package com.example.retrofit.model;

/**
* Created by fendo on 2017/4/30.
*/

public class RobotResponse {
private String reason;
private String error_code;
private ResultResponse result;

public String getReason() {
return reason;
}

public void setReason(String reason) {
this.reason = reason;
}

public String getError_code() {
return error_code;
}

public void setError_code(String error_code) {
this.error_code = error_code;
}

public ResultResponse getResult() {
return result;
}

public void setResult(ResultResponse result) {
this.result = result;
}
}

Retrofit retrofit = new Retrofit.Builder()
.baseUrl("http://op.juhe.cn/")
// 增加返回值为String的支持
.addConverterFactory(ScalarsConverterFactory.create())
// 增加返回值为Gson的支持
.addConverterFactory(GsonConverterFactory.create())
.build();

// 接口实体，返回的是String
RobotServes phoneServes = retrofit.create(RobotServes.class);
Call<String> call = phoneServes.getString("你好", "2833a660902644508778b5dfd452c080");
// 发送请求
call.enqueue(new Callback<String>() {
// 响应回调
@Override
public void onResponse(Call<String> call, Response<String> response) {
Log.d(TAG, "onResponse = \n"
+ "response.message() = " + response.message() + "\n"
+ "response.body() = " + response.body());

Log.d(TAG, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
}

@Override
public void onFailure(Call<String> call, Throwable t) {
Log.d(TAG, "onFailure = \n" + t.toString());
}

});

response.message() = OK
response.body() = {"reason":"成功的返回","result":{"code":100000,"text":"嘿嘿，你好"},"error_code":0}
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
你好呀，希望你开心啊