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al-request

v0.1.3

Published

Network request library for labrador and alaska.

Downloads

8

Readme

al-request

Network request library for labrador and alaska.

Labrador 网络库,适用于 Alaska Restful 格式的服务器接口。

如果服务器发生错误,返回的对象中 error 属性应当为字符串类型的错误信息,如果没有发生错误,error 属性留空。

本库对微信小程序 wx.request 进行了二次封装,尤其是内置了对自定义Session的支持。

简单应用


import request from 'al-request';

async function test(){
  let res=request('my/api');
  console.log('res',res);
}

要让上述代码正确运行,我们需要在Labrador配置文件.labrador中增加常量 API_ROOT 定义所有请求默认的API根路径,否则调用 request 方法时必须提供完整URL地址。

{
  "define":{
    "API_ROOT": "https://maichong.it/"
  }
}

在上边的代码中,我们使用了 al-request 导出的默认网络客户端,有些时候我们可能需要自定义网络客户端,例如我们需要调用多个域名下的接口。使用 create 函数创建一个自定义客户端:

import { create } from 'al-request';

const request = create({ apiRoot:'https://your.domain/' });

request.post('user/login',{ username:'liang' });

如果我们需要更新默认客户端的配置,只需要调用其 setOptions 方法:

import request from 'al-request';
request.setOptions({ apiRoot:'https://your.domain/' });

setOptions 方法的参数和 create 方法的参数一致。 通过 create 方法创建的自定义网络客户端也有 setOptions 方法。

API

Options

属性 | 类型 | 默认 | 说明 --------- | -------- | -------- | --------- apiRoot | string | '' | 服务器API根路径,如果不设置,调用API必须提供完整URL session | boolean | true | 是否打开自定义Session支持 updateKey | string | '_session'| 当服务器返回的JSON对象有此属性时,更新当前SessionID headerKey | string | 'Session' | HTTP请求Session header名称 getSession| Function | | 获取当前的SessionID,默认获取 wx.app.sessionId setSession| Function | | 设置新的SessionID,默认保存到 wx.app.sessionId defaultHeader| Object | | 默认Header

方法

create(options): request
request([method], apiName, [data], [header]): Promise
request.get(apiName, [data], [header]): Promise
request.post(apiName, [data], [header]): Promise
request.put(apiName, [data], [header]): Promise
request.delete(apiName, [data], [header]): Promise
request.head(apiName, [data], [header]): Promise
request.options(apiName, [data], [header]): Promise
request.trace(apiName, [data], [header]): Promise
request.connect(apiName, [data], [header]): Promise
request.setOptions(options)
request.updateOptions(options)
request.getOptions()

request 的第一个参数指定请求的方法,有效值:OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT,可以省略,默认为 GET

request('my/api') 等价于 request('GET', 'my/api') 等价于 request.get('my/api')

request.post('my/api') 等价于 request('POST', 'my/api')

data 参数为提交的KV数据对象,可以省略,如果请求方法为 POSTPUT 时,数据作为HTTP请求BODY,否则将转换为URL Query。

例如 request('my/api',{foo:'bar'}) 将请求 GET http://your.domain/my/api?foo=bar