vue 实现cli3.0中使用proxy进行代理转发

module.exports = {
 lintOnSave: true,
 
 devServer: {
 proxy: {
  // proxy all requests starting with /api to jsonplaceholder
  '/api': {
  target: 'http://localhost:8080', //代理接口
  changeOrigin: true,
  pathRewrite: {
   '^/api': '/mock' //代理的路径
  }
  }
 }
 }
}