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index.js
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index.js
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const path = require('path')
const express = require('express')
const cors = require('cors')
const morgan = require('morgan')
const { init: initDB, Counter } = require('./db')
const logger = morgan('tiny')
const app = express()
app.use(express.urlencoded({ extended: false }))
app.use(express.json())
app.use(cors())
app.use(logger)
// 首页
app.get('/', async (req, res) => {
res.sendFile(path.join(__dirname, 'index.html'))
})
// 更新计数
app.post('/api/count', async (req, res) => {
const { action } = req.body
if (action === 'inc') {
await Counter.create()
} else if (action === 'clear') {
await Counter.destroy({
truncate: true
})
}
res.send({
code: 0,
data: await Counter.count()
})
})
// 获取计数
app.get('/api/count', async (req, res) => {
const result = await Counter.count()
res.send({
code: 0,
data: result
})
})
// 小程序调用,获取微信 Open ID
app.get('/api/wx_openid', async (req, res) => {
if (req.headers['x-wx-source']) {
res.send(req.headers['x-wx-openid'])
}
})
const port = process.env.PORT || 80
async function bootstrap() {
await initDB()
app.listen(port, () => {
console.log('启动成功', port)
})
}
bootstrap();