更新

src/main.js

@@ -1,10 +1,8 @@
 import Vue from "vue";
 
-import "normalize.css/normalize.css"; // A modern alternative to CSS resets
-
 import ElementUI from "element-ui";
 import "element-ui/lib/theme-chalk/index.css";
-import language from "element-ui/lib/locale/lang/zh-CN"; // lang i18n
+import language from "element-ui/lib/locale/lang/zh-CN";
 
 import "@/styles/index.scss"; // global css
 
@@ -13,31 +11,14 @@ import store from "./store";
 import router from "./router";
 import * as utils from "./utils";
 
-import "@/icons"; // icon
-import "@/permission"; // permission control
+import "utils/directive";
+import "@/icons";
+import "@/permission";
 
 Vue.use(ElementUI, { language, size: "medium" });
-
 Vue.config.productionTip = false;
 Vue.prototype.$utils = utils;
 
-Vue.directive("checkNum", {
-  update(el, binding, vNode) {
-    if (el.children.length) {
-      let val = el.children[0].value;
-      let qualifiedNum = val
-        .replace(/[^\d.]/g, "")
-        .replace(/^\./g, "")
-        .replace(/\.{2,}/g, ".")
-        .replace(/^0{2,}/g, "0")
-        .replace(".", "$#$")
-        .replace(/\./g, "")
-        .replace("$#$", ".");
-      vNode.componentInstance.$emit("input", qualifiedNum);
-    }
-  },
-});
-
 new Vue({
   el: "#app",
   router,

src/utils/directive.js

@@ -0,0 +1,18 @@
+import Vue from "vue";
+
+Vue.directive("checkNum", {
+  update(el, binding, vNode) {
+    if (el.children.length) {
+      let val = el.children[0].value;
+      let qualifiedNum = val
+        .replace(/[^\d.]/g, "")
+        .replace(/^\./g, "")
+        .replace(/\.{2,}/g, ".")
+        .replace(/^0{2,}/g, "0")
+        .replace(".", "$#$")
+        .replace(/\./g, "")
+        .replace("$#$", ".");
+      vNode.componentInstance.$emit("input", qualifiedNum);
+    }
+  },
+});