vue.config.js

const path = require('path')
const bodyParser = require('body-parser')
const axios = require('axios')

function resolve (dir) {
  return path.join(__dirname, dir)
}

module.exports = {
  devServer: {
    before (app) {
      /* 获取推荐页面歌单列表数据 */
      app.get('/api/getDiscList', function (req, res) {
        const url = 'https://c.y.qq.com/splcloud/fcgi-bin/fcg_get_diss_by_tag.fcg'
        // 通过axios向目标服务器发送HTTP请求，获取歌单数据
        axios.get(url, {
          headers: {
            referer: 'https://c.y.qq.com/',
            host: 'c.y.qq.com'
          },
          params: req.query
        }).then((response) => {
          // response是从目标服务器返回的带有HTTP响应头部数据和实际请求的歌单数据的一个对象
          /* response.data是实际请求的歌单数据的一个对象，调用res.json()是将response.data转化成JSON数据格式，并作为
             res返回。res是要返回给浏览器的响应数据，是一个带有HTTP响应头部数据和实际请求的歌单数据的对象 */
          res.json(response.data)
        }).catch((e) => {
          console.log(e)
        })
      })

      app.get('/api/getDiscDetail', function (req, res) {
        const url = 'https://c.y.qq.com/qzone/fcg-bin/fcg_ucc_getcdinfo_byids_cp.fcg'
        axios.get(url, {
          headers: {
            referer: 'https://c.y.qq.com/',
            host: 'c.y.qq.com'
          },
          params: req.query
        }).then((response) => {
          let ret = response.data
          if (typeof ret === 'string') {
            const reg = /^\w+\(({.+})\)$/
            const matches = ret.match(reg)
            if (matches) {
              ret = JSON.parse(matches[1])
            }
          }
          res.json(ret)
        }).catch((e) => {
          console.log(e)
        })
      })

      /* 获取歌手详情页面歌曲的歌词数据 */
      app.get('/api/lyric', function (req, res) {
        const url = 'https://c.y.qq.com/lyric/fcgi-bin/fcg_query_lyric_new.fcg'

        axios.get(url, {
          headers: {
            referer: 'https://c.y.qq.com/',
            host: 'c.y.qq.com'
          },
          params: req.query
        }).then((response) => {
          let ret = response.data
          /* 如果ret是一个JSONP形式的数据，即一个回调函数包裹实际
             数据的字符串，则从中提取出有效数据，并解析成对象 */
          if (typeof ret === 'string') {
            const reg = /^\w+\(({.+})\)$/
            const matches = ret.match(reg)
            if (matches) {
              ret = JSON.parse(matches[1])
            }
          }
          res.json(ret)
        }).catch((e) => {
          console.log(e)
        })
      })

      app.post('/api/getPurlUrl', bodyParser.json(), function (req, res) {
        const url = 'https://u.y.qq.com/cgi-bin/musicu.fcg'
        axios.post(url, req.body, {
          headers: {
            referer: 'https://y.qq.com/',
            origin: 'https://y.qq.com',
            'Content-type': 'application/x-www-form-urlencoded'
          }
        }).then((response) => {
          res.json(response.data)
        }).catch((e) => {
          console.log(e)
        })
      })

      app.get('/api/search', function (req, res) {
        const url = 'https://c.y.qq.com/soso/fcgi-bin/search_for_qq_cp'
        axios.get(url, {
          headers: {
            referer: 'https://c.y.qq.com/',
            host: 'c.y.qq.com'
          },
          params: req.query
        }).then((response) => {
          res.json(response.data)
        }).catch((e) => {
          console.log(e)
        })
      })

      app.get('/api/getTopBanner', function (req, res) {
        const url = 'https://u.y.qq.com/cgi-bin/musicu.fcg'
        const jumpPrefixMap = {
          10002: 'https://y.qq.com/n/yqq/album/',
          10014: 'https://y.qq.com/n/yqq/playlist/',
          10012: 'https://y.qq.com/n/yqq/mv/v/'
        }

        axios.get(url, {
          headers: {
            referer: 'https://u.y.qq.com/',
            host: 'u.y.qq.com'
          },
          params: req.query
        }).then((response) => {
          response = response.data
          if (response.code === 0) {
            const slider = []
            const content = response.focus.data && response.focus.data.content
            if (content) {
              for (let i = 0; i < content.length; i++) {
                const item = content[i]
                const sliderItem = {}
                const jumpPrefix = jumpPrefixMap[item.type || 10002]
                sliderItem.id = item.id
                sliderItem.linkUrl = jumpPrefix + item.jump_info.url + '.html'
                sliderItem.picUrl = item.pic_info.url
                slider.push(sliderItem)
              }
            }
            res.json({
              code: 0,
              data: {
                slider
              }
            })
          } else {
            res.json(response)
          }
        }).catch((e) => {
          console.log(e)
        })
      })
    }
  },
  chainWebpack (config) {
    config.resolve.alias
      .set('components', resolve('src/components'))
      .set('common', resolve('src/common'))
      .set('api', resolve('src/api'))
      .set('base', resolve('src/base'))
  },
  publicPath: ''
}