upgrade version 2.0,add login api,upgrade api verison,add document and unit test

app.js

@@ -0,0 +1,39 @@
+const express = require('express')
+const http = require('http')
+const app = express()
+
+//手机登录
+app.use('/login/cellphone', require('./router/loginCellphone'))
+
+app.use('/login', require('./router/login'))
+// 获取每日推荐歌曲
+app.use('/recommend/songs', require('./router/recommendSongs'))
+// 获取每日推荐歌单
+app.use('/recommend/resource', require('./router/recommendResource'))
+
+app.use('/lyric', require('./router/lyric'))
+
+app.use('/user/playlist', require('./router/userPlaylist'))
+
+app.use('/playlist/detail', require('./router/playlistDetail'))
+
+app.use('/playlist/tracks', require('./router/playlistTracks'))
+// 获取音乐 url
+app.use('/music/url', require('./router/musicUrl'))
+// 搜歌
+app.use('/search', require('.//router/search'))
+
+app.use('/log/web', require('./router/logWeb'))
+
+process.on('SIGHUP', () => {
+  console.log('server: bye bye')
+  process.exit()
+})
+
+const port = process.env.PORT || 3000
+
+app.listen(port, () => {
+  console.log(`server running @${port}`)
+})
+
+module.exports = app