feat(AppAccountConfigManage): 优化认证材料对话框样式和功能- 调整对话框宽度为 50vw，使界面更加响应式

- 为删除按钮添加 v-if 指令，仅在没有子节点时显示
- 为删除按钮添加 del 类，以应用特定样式
- 在 utils.js 中添加 $isEmpty函数，用于检查对象是否为空

ui/lib/js/utils.js

@@ -15,12 +15,12 @@ import $reg from "./regular"
  */
 const addChild = (parent, pending, config) => {
   let conf = {
-        key: 'id',
-        parent: 'parentId',
-        children: 'children',
-        ...config
-      },
-      doBeforeCount = pending.length
+      key: 'id',
+      parent: 'parentId',
+      children: 'children',
+      ...config
+    },
+    doBeforeCount = pending.length
   for (let i = pending.length - 1; i >= 0; i--) {
     let e = pending[i]
     if (e[conf.parent] == parent[conf.key]) {
@@ -58,7 +58,7 @@ const $decimalCalc = (...arr) => {
     return ('' + e).length - index
   })
   let maxDecimal = Math.max(...decimalLengthes),
-      precision = Math.pow(10, maxDecimal)
+    precision = Math.pow(10, maxDecimal)
   // 计算
   let intArr = arr.map(e => (Number(e) || 0) * precision)
   // 返回计算值
@@ -86,10 +86,10 @@ const $colorUtils = {
       if (color.length == 4) {
         // 检测诸如#FFF简写格式
         color =
-            '#' +
-            color.charAt(1).repeat(2) +
-            color.charAt(2).repeat(2) +
-            color.charAt(3).repeat(2)
+          '#' +
+          color.charAt(1).repeat(2) +
+          color.charAt(2).repeat(2) +
+          color.charAt(3).repeat(2)
       }
       hex = parseInt(color.slice(1), 16)
     }
@@ -170,8 +170,8 @@ export default {
   },
   $dateFormat: (time, format) => {
     return $moment(time)
-        .format(format || 'YYYY-MM-DD')
-        .replace('Invalid Date', '')
+      .format(format || 'YYYY-MM-DD')
+      .replace('Invalid Date', '')
   },
   $copy,
   $download: (url, name) => {
@@ -190,7 +190,7 @@ export default {
   $arr2tree: (list, config = {}) => {
     let result = []
     const {key = 'id', parent = 'parentId', children = 'children'} = config, itemMap = {},
-        ids = list?.map(e => `#${e[key]}#`)?.toString()
+      ids = list?.map(e => `#${e[key]}#`)?.toString()
     for (const e of list) {
       const id = e[key], pid = e[parent]
       itemMap[id] = {...e, [children]: [itemMap[id]?.[children]].flat().filter(Boolean)}
@@ -230,5 +230,11 @@ export default {
       }
       return max
     } else return 0
+  },
+  $isEmpty(obj) {
+    if (obj === null || obj === undefined) return true;
+    if (typeof obj === 'string' && obj.trim() === '') return true;
+    if (Array.isArray(obj) && obj.length === 0) return true;
+    return typeof obj === 'object' && Object.keys(obj).length === 0;
   }
 }