feat: get menus from server & add iframe view

src/utils/validate.js

@@ -40,3 +40,18 @@ export function validateEmail(email) {
   const re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
   return re.test(email)
 }
+
+/**
+ * 是否为空判断
+ */
+export function validatenull(val) {
+  if (val instanceof Array) {
+    if (val.length === 0) return true
+  } else if (val instanceof Object) {
+    if (JSON.stringify(val) === '{}') return true
+  } else {
+    if (val === 'null' || val === null || val === 'undefined' || val === undefined || val === '') return true
+    return false
+  }
+  return false
+}