【移動應用開發(fā)技術(shù)】如何為Retrofit統(tǒng)一添加post請求的默認參數(shù)

【移動應用開發(fā)技術(shù)】如何為Retrofit統(tǒng)一添加post請求的默認參數(shù)

APP_FORM_URLENCODED("application/x-www-form-urlencoded"),

APP_JSON("application/json"),

APP_OCTET_STREAM("application/octet-stream"),

MULTIPART_FORM_DATA("multipart/form-data"),

TEXT_HTML("text/html"),

TEXT_PLAIN("text/plain"),傳統(tǒng)方式：public

interface

Apis

{

@POST("user/login")

Observable<Entity<User>>

login(@Body

RequestBody

body);//構(gòu)造一個RequestBody對象

@POST("user/login")

Observable<Entity<User>>

login(@Body

LoginInfo

loginInfo);//構(gòu)造一個實體對象

}Retrofit

mRetrofit

=

new

Retrofit.Builder()

.baseUrl(HttpConfig.BASE_URL)

.addConverterFactory(GsonConverterFactory.create())//添加gson轉(zhuǎn)換器

.addCallAdapterFactory(RxJava2CallAdapterFactory.create())//添加rxjava轉(zhuǎn)換器

.client(new

OkHttpClient.Builder().build())

.build();

Apis

mAPIFunction

=

mRetrofit.create(Apis.class);

Map<String,

Object>

params

=

new

LinkedHashMap<>();

params.put("name",

"吳彥祖");

params.put("request",

"123456");

RequestBody

requestBody

=

RequestBody.create(MediaType.parse("application/json;

charset=utf-8"),

JsonHelper.toJSONString(params));

mAPIFunction.login(RequestBody.create(requestBody))/upload/information/20200623/125/123793.png/upload/information/20200623/125/123794.pngpublic

static

RequestBody

getRequestBody(HashMap<String,

Object>

hashMap)

{

Map<String,

Object>

params

=

new

LinkedHashMap<>();

params.put("auth",

getBaseParams());

params.put("request",

hashMap);

return

RequestBody.create(MediaType.parse("application/json;

charset=utf-8"),

JsonHelper.toJSONString(params));

}攔截器方式：@Override

public

Response

intercept(Chain

chain)

throws

IOException

{

Request

request

=

chain.request();

if

(request.method().equals("POST"))

{

if

(request.body()

instanceof

FormBody)

{

FormBody.Builder

bodyBuilder

=

new

FormBody.Builder();

FormBody

formBody

=

(FormBody)

request.body();

//把原來的參數(shù)添加到新的構(gòu)造器，（因為沒找到直接添加，所以就new新的）

for

(int

i

=

0;

i

<

formBody.size();

i++)

{

bodyBuilder.addEncoded(formBody.encodedName(i),

formBody.encodedValue(i));

}

formBody

=

bodyBuilder

.addEncoded("clienttype",

"1")

.addEncoded("imei",

"imei")

.addEncoded("version",

"VersionName")

.addEncoded("timestamp",

String.valueOf(System.currentTimeMillis()))

.build();

request

=

request.newBuilder().post(formBody).build();

}

return

ceed(request);

}public

class

PostJsonBody

extends

RequestBody

{

private

static

final

MediaType

JSON

=

MediaType.parse("application/json;

charset=utf-8");

private

static

final

Charset

charset

=

Util.UTF_8;

private

String

content;

public

PostJsonBody(@NonNull

String

content)

{

this.content

=

content;

}

public

String

getContent()

{

return

content;

}

@Nullable

@Override

public

MediaType

contentType()

{

return

JSON;

}

@Override

public

void

writeTo(@NonNull

BufferedSink

sink)

throws

IOException

{

byte[]

bytes

=

content.getBytes(charset);

if

(bytes

==

null)

throw

new

NullPointerException("content

==

null");

Util.checkOffsetAndCount(bytes.length,

0,

bytes.length);

sink.write(bytes,

0,

bytes.length);

}

public

static

RequestBody

create(@NonNull

String

content)

{

return

new

PostJsonBody(content);

}

}@Override

public

Response

intercept(@NonNull

Chain

chain)

throws

IOException

{

Request

originalRequest

=

chain.request();

Request.Builder

builder

=

originalRequest.newBuilder();

if

(originalRequest.method().equals("POST"))

{

RequestBody

requestBody

=

originalRequest.body();

if

(requestBody

instanceof

PostJsonBody)

{

String

content

=

((PostJsonBody)

requestBody).getContent();

HashMap<String,

Object>

hashMap

=

JsonHelper.fromJson(content,

HashMap.class);

builder.post(RequestBodyFactory.getRequestBody(hashMap));

}

}

return

ceed(builder.build());

}RequestBody