vue.config.js 添加配置

var _Ip='线上地址'
module.exports = {
    devServer: {
        proxy: {
            '/productData': {
                target: _Ip,
                changeOrigin: true,
                pathRewrite: {
                    '^/productData': '/productData'
                }
            }
        }
    },
}

接口地址配置

var url1 = '线上地址'
var url2 = 'http://localhost:8080'
var ip = process.env.NODE_ENV === 'production' ? url1 : url2