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jm-ms

v2.2.0

Published

microService lib, light and fast

Downloads

62

Readme


theme : "white"

jm-ms

micro service lib, light and fast

作者:鱼哥


features

  • 路由式编程模式 基于 jm-route

  • 支持多协议 http、ws

  • 支持服务器 server

  • 支持客户端 client

  • 支持代理转发 proxy


install

npm i jm-ms

use:

const MS = require('jm-ms')
const ms = new MS()

构造函数 MS

参数 opts

  • logging [false] 是否打印日志

  • benchmark [false] 是否计算耗时

  • disable_client [false] 禁用client模块

  • disable_server [false] 禁用server模块


路由器 router

负责管理路由 route

--

工序函数

  • 有且只有一个参数 opts (json 对象)

--

异常抛出

抛出异常需要按以下格式

const e = new Error('这里填错误信息')
e.code = 1000 // 错误编码,可选
e.status = 500 // 对应的标准 HTTP 错误状态码,可选
e.data = {
    err: 1000, // 错误编码
    msg: '这里填错误信息',
    status: 500, // 对应的标准 HTTP 错误状态码,可选
    data: {}, // 附加数据,可选
    ... // 其他自定义错误内容
}
throw e

--

异常抛出 jm-err

采用 jm-err 简化异常生成

const error = require('jm-err')
// jm-err 的 Err 中定义了常见错误
const doc = error.Err.FA_NOAUTH
throw error.err(doc)

// 也可以自定义 doc 对象
const doc1 = {
    status: 401,
    err: 401,
    msg: 'Unauthorized'
}
throw error.err(doc1)

--

创建 router

const router = ms.router()

--

添加路由 router.add

  • add({uri:uri, type:type, fn:fn})
  • add({uri:uri, type:type, fn:[fn1, fn2, ..., fnn]})

--

简便写法

  • add(uri, type, fn)
  • add(uri, type, fn1, fn2, ..., fnn)
  • add(uri, type, [fn1, fn2, ..,fnn])
  • add(uri, fn)
  • add(uri, fn1, fn2, ..., fnn)
  • add(uri, [fn1, fn2, ..,fnn])
router.add('/', 'get', fn1, fn2)

--

添加路由 router.use

  • use({uri:uri, fn:fn})
  • use({uri:uri, fn:[fn1, fn2, ..., fnn]})
  • use({uri:uri, fn:router})
  • use({uri:uri, fn:obj}) obj必须实现了request或者execute之一

--

简便写法

  • use(uri, fn)
  • use(uri, fn1, fn2, ..., fnn)
  • use(uri, [fn1, fn2, ..,fnn])
  • use(uri, router)
  • use(uri, obj)
  • use(router)
  • use(obj)
  • use(fn1, fn2, ..., fnn)
  • use([fn1, fn2, ..,fnn])
router.use(fn1, fn2)

--

清除路由 router.clear

router.clear()

--

请求 router.request

router.request({
    uri:'/', // 请求 uri
    type:'get', // 请求类型
    headers:{}, // 请求头
    data:{}, // 请求数据
    params:{}, // 请求参数 
    timeout: 0, // 请求超时时间,单位ms
    ...
})

--

简便写法

  • request(uri, type, data, opts)
  • request(uri, type, data)
  • request(uri, type)
  • request(uri)
let doc = await router.request('/', 'get', {id: 1})

--

简便写法

  • post(uri, data, opts)
  • put(uri, data, opts)
  • get(uri, data)
  • delete(uri)
let doc = await router.get('/')

--

完整例子

const MS = require('jm-ms')
const ms = new MS()
let router = ms.router()
router.add('/', 'get', opts => { return opts})
let doc = await router.get('/')

服务器 server

const MS = require('jm-ms')
const ms = new MS()
let router = ms.router()
router.add('/', 'get', opts => { return opts})

// http 服务器
await ms.server(router, {type: 'http', port: 3000})

// websocket 服务器
await ms.server(router, {type: 'ws', port: 3001})

客户端 client

const MS = require('jm-ms')
const ms = new MS()

// http
let client = await ms.client('http://api.test.jamma.cn')
let doc = await client.get('/')
doc = await client.post('/users', {name: '鱼哥'})
// ws
let client = await ms.client('ws://api.test.jamma.cn')
let doc = await client.get('/')
doc = await client.post('/users', {name: '鱼哥'})