移动端适配

1.移动端适配
https://juejin.im/post/5da5474af265da5b905ef62a?utm_medium=hao.caibaojian.com&utm_source=hao.caibaojian.com
2.Vue项目自动转换 px 为 rem
https://blog.csdn.net/sinat_17775997/article/details/79230616
3.移动端跨域
config.withCredentials = true;