app.js

const Koa = require('koa')
const app = new Koa()
app.listen(3826);
// const views = require('koa-views')
const json = require('koa-json')
const onerror = require('koa-onerror')
const bodyparser = require('koa-bodyparser')
const logger = require('koa-logger')

// const index = require('./routes/index')
// const users = require('./routes/users')

var pgclient = require('./config/conn.js');
pgclient.getConnection();

// 调用上述四个函数即可
pgclient.save('userinfo', { 'name': 'admin' }, cb);
// pgclient.select('userinfo', { 'name': 'admin' }, [], cb);

function cb(res) {
 console.log(res);
}
// error handler
onerror(app)

// middlewares
app.use(bodyparser({
 enableTypes: ['json', 'form', 'text']
}))
app.use(json())
app.use(logger())
 // app.use(require('koa-static')(__dirname + '/public'))

// app.use(views(__dirname + '/views', {
// extension: 'html'
// }))

// logger
app.use(async(ctx, next) => {
 const start = new Date()
 await next()
 const ms = new Date() - start
 console.log(`${ctx.method} ${ctx.url} - ${ms}ms`)
})

// routes
// app.use(index.routes(), index.allowedMethods())
// app.use(users.routes(), users.allowedMethods())

// error-handling
app.on('error', (err, ctx) => {
 console.error('server error', err, ctx)
});

module.exports = app