为什么我的left也不显示啊，照着一模一样打的，F12提示
[Vue warn]: Failed to mount component: template or render function not defined. found in --->
at src/components/Left.vueat src/views/First.vueat src/App.vue1 回答
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[Vue warn]: Failed to mount component: template or render function not defined. found in --->
at src/components/Left.vueat src/views/First.vueat src/App.vue
2019-12-05
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