vue@~相对路径路径别名设置方式

resolve: {
    extensions: ['.js', '.vue', '.JSON'],//取消后缀  引入文件路径就不用加文件后缀了
    alias: {
      'vue$': 'vue/dist/vue.esm.js', //引入vue
      '@': resolve('src'),
      'asd': resolve('src/components/children'), //自己新建 要从src开始写文件路径
    }
  },

const path = require('path')
function resolve(dir) {
  return path.join(__dirname, dir)
}

module.exports = {
  devServer: {},
  chainWebpack: (config) => {
    config.resolve.alias
      .set('@', resolve('src')),
      .set('@u', resolve('src/utils')),
      "@c": resolve("src/components"),
        "@v": resolve("src/pages"),
        "@s": resolve("src/static"),
        "@u": resolve("src/utils")

  }
}