feat: There is no way the idm and oa

src/common/messageOnce/messageOnce.js

@@ -0,0 +1,27 @@
+import {Message} from 'element-ui'
+// 私有属性，只在当前文件可用
+const showMessage = Symbol('showMessage')
+export default class domMessage {
+    success (options, single = true) {
+        this[showMessage]('success', options, single)
+    }
+    warning(options, single = true) {
+        this[showMessage]('warning', options, single)
+    }
+    info(options, single = true) {
+        this[showMessage]('info', options, single)
+    }
+    error(options, single = true) {
+        this[showMessage]('error', options, single)
+    }
+    [showMessage] (type, options, single) {
+        if (single) {
+            // 关键代码，判断当前页是否有el-message标签，如果没有则执行弹窗操作
+            if (document.getElementsByClassName('el-message').length === 0) {
+                Message[type](options)
+            }
+        } else {
+            Message[type](options)
+        }
+    }
+}