[Vue warn]: You are using the runtime-only build of Vue where the template compi

[Vue warn]: You are using the runtime-only build of Vue where the template compiler is not available. Either pre-compile the templates into render functions, or use the compiler-included build. 

原因：vue默认配置的是runtime版本。

正确做法：在vue根目录新建一个vue.config.js

内容：

module.exports = {  runtimeCompiler: true}