https://github.com/weivea/koa-service
koa-service 就是在复杂业务场景下用于做业务逻辑封装的一个抽象层, 保持业务逻辑的独立性，抽象出来的 Service 可以被多个 Controller 重复调用
https://github.com/weivea/koa-service
Last synced: about 1 year ago
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koa-service 就是在复杂业务场景下用于做业务逻辑封装的一个抽象层, 保持业务逻辑的独立性，抽象出来的 Service 可以被多个 Controller 重复调用
- Host: GitHub
- URL: https://github.com/weivea/koa-service
- Owner: weivea
- Created: 2018-03-22T08:32:46.000Z (about 8 years ago)
- Default Branch: master
- Last Pushed: 2018-03-25T08:34:36.000Z (about 8 years ago)
- Last Synced: 2025-04-14T09:11:57.327Z (about 1 year ago)
- Language: JavaScript
- Size: 6.84 KB
- Stars: 7
- Watchers: 1
- Forks: 1
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# koa-servise
koa-router 提供了control。
koa-servise 为control提供service，
用法类似 egg 的service,
就不用再把臃肿的代码写在 control里边了
service下的方法 可以通过`this.ctx.servics.xxx` 相互调用，
`this.ctx`即为每次请求的ctx
支持`async/await`方法
## install
```
npm install koa-service --save
```
## usage
具体使用参考 [example](./example)
```
#目录环境
./index.js
./service
./service/testa
./service/testa/testd.js
./service/testa.js
./service/testb.js
./service/testc
./service/testc/testc.js
```
./index.js
```javascript
const path = require('path')
const Koa = require('koa')
const Router = require('koa-router')
const service = require('../lib/koaService')
const app = new Koa();
app.use(service({
serviceRoot: path.join(__dirname, 'service')
}))
const router = new Router();
router.get('/', async function(ctx, next) {
ctx.service.testb.bFun()
const re = await ctx.service.testa.testd.b2Fun()
// console.log(re);
ctx.body = re
await next()
});
app
.use(router.routes())
.use(router.allowedMethods());
app.listen(8081, () => {
console.log('listen 8081')
})
```
写一个service文件 ./service/testb.js
```javascript
class Servic {
bFun() {
console.log(__filename);
return __filename;
}
async b2Fun() {
const re = await this.ctx.service.testa.testd.b2Fun()
console.log(__filename, 'log out:' , re)
return await (() =>
new Promise((resolve, reject) => {
// 自运行返回Promise
setTimeout(() => {
resolve(`async ${__filename}`);
}, 100);
}))();
}
}
module.exports = Servic;
```