refactor icons

src/icons/index.js

@@ -0,0 +1,10 @@
+import Vue from 'vue'
+import IconSvg from '@/components/Icon-svg'// svg组件
+
+// register globally
+Vue.component('icon-svg', IconSvg)
+const requireAll = requireContext => requireContext.keys().map(requireContext)
+const req = require.context('./svg', false, /\.svg$/)
+
+requireAll(req)
+