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m-http

v2.0.0

Published

A library for HTTP request helper on node.

Downloads

5

Readme

http-helper

A library for HTTP request helper on node.

import MHttp from 'm-http'
const http = new MHttp()

http.get('https://api.github.com', {
  headers: {
    Accept: 'application/vnd.github.v3+json',
    'User-Agent': 'Test-App'
  }
}).then(res => {
  console.log(res.data)
})

API

new MHttp(options) 创建一个请求对象http

  • options object 可选 配置对象
  • options.urlEncode boolean 是否编码url,默认true

http

  • http.fetch(options) 创建一个请求,返回 Promise 对象;成功会resolve IncomingMessage 对象,IncomingMessage.body 返回响应 Buffer 数据。

    • options object 必须,请求参数配置
    • options.url string 必须,请求url
    • options.method string 可选,请求类型,默认 GET
    • options.timeout string
    • options.headers object 可选,请求头设置,key/val
    • options.auth string
    • options.agent string
    • options.body object|string|FormData 可选,含有body(POST/PUT/PATCH/DELETE)的提交,key/val
    • options.params object 可选,构造查询参数,key/val
  • http.get(url, options) 创建GET请求

  • http.delete(url, options) 创建DELETE请求

  • http.head(url, options) 创建HEAD请求

  • http.post(url, options) 创建POST请求

  • http.put(url, options) 创建PUT请求

  • http.patch(url, options) 创建PATCH请求

Events

start

开始发起请求,参数: options

end

响应结束,参数:'IncomingMessage'

error

请求过程存在错误

upload

multipart/form-data 请求时触发(每项数据上传会触发一次)

interceptors

可以增加中间件处理一些请求前后的操作。

中间件必须调用 next() 才可继续下一步。

请求中间件

http.request.use(function(options, next) {
  // do
  next()
})

响应中间件

http.response.use(function(res, next) {
  // do
  // res.data = JSON.parse(res.body.toString())
  next()
})

application/x-www-form-urlencoded

具有body体的请求, 默认 Content-Typeapplication/x-www-form-urlencoded

http.post('http://localhost:3000/api/all', {
  params: {
    page: 1,
    pageSize: 12,
    zh: '中文'
  },
  body: {
    username: 'admin',
    password: '123456'
  }
}).then(res => {
  console.log('response:', res.body.toString())
}).catch(err => {
  console.log('response err:', err)
})

application/json

如果想要提交json格式数据,需要指定 Content-Typeapplication/json

http.post('http://localhost:3000/api/all', {
  headers: {
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({...data})
}).then(res => {
  console.log('response:', res.body.toString())
}).catch(err => {
  console.log('response err:', err)
})

multipart/form-data

上传文件时,并不需要指定 Content-Typemultipart/form-data,默认会判断 options.body 对象类型是否为 FormData 来设置。

import MHttp from 'm-http'
import FormData from 'm-http/form-data'
import File from 'm-http/file'

const http = new MHttp()
const form = new FormData()

form.append('key', 'value')
form.append('username', 'admin')
form.append('password', '123456')
form.append('userId', 1001)
form.append('zh', '中文')
form.append('data', JSON.stringify({name: 'admin', info: 'this is a test.', zh: '中文'}))
form.append('text', new File({name: 'text.txt', buffer: Buffer.from('this is a test\r\n这是一个测试。')}))
form.append('zip', new File({filePath: './test.zip'}))

console.log(form)

http.post('http://localhost:3000/api/file', {
  body: form
}).then(res => {
  console.log('response:', res.body.toString())
}).catch(err => {
  console.log('response err:', err)
})

Other

FormData

import FormData from 'm-http/form-data'

用于构造 multipart/form-data 数据。

const form = new FormData()
form.append('key', 'val')
// ...

File

import File from 'm-http/file'

用于定义文件的对象。

new File({name: 'text.txt', buffer: Buffer.from('this is a test\r\n这是一个测试。')}