feature：代码初始化。

src/directive/index.js

@@ -0,0 +1,9 @@
+import hasRole from './permission/hasRole'
+import hasPermi from './permission/hasPermi'
+import copyText from './common/copyText'
+
+export default function directive(app){
+  app.directive('hasRole', hasRole)
+  app.directive('hasPermi', hasPermi)
+  app.directive('copyText', copyText)
+}