添加：物流管理 - 国家选择器添加全选和取消全选（仅多选模式有效）

themes/default/shared/select-countries.blade.php

@@ -1,4 +1,15 @@
 <style>
+  .countries-top{
+    width: 100%;
+    display: inline-flex;
+    flex-direction: row;
+    justify-content: flex-start;
+    align-items: center;
+    flex-wrap: nowrap;
+  }
+  .countries-top button{
+    margin-right: 10px;
+  }
   .countries-list{
     margin-top: 10px;
     width: 100%;
@@ -129,13 +140,15 @@
 
 </style>
 <template id="select-countries">
-  <el-dialog
-    custom-class="mobileWidth"
-    title="{{ __('admin/customer.choose_country') }}"
-    :visible.sync="is_show"
-    width="80%" @close="closeSelectCountries">
+  <el-dialog custom-class="mobileWidth" title="{{ __('admin/customer.choose_country') }}" :visible.sync="is_show" width="80%" @close="closeSelectCountries">
     {{--顶部内容--}}
-    <div class="top">
+    <div class="top countries-top">
+      {{--操作按钮--}}
+      <div v-if="!is_single">
+        <el-button v-if="Object.values(country_list).length < Object.values(countries_list).length"  size="small" type="warning" @click="allSelected">{{ __('common.select_all') }}</el-button>
+        <el-button v-else  size="small" type="warning" @click="allSelectedCancel">{{ __('admin/admin_roles.select_all') }}</el-button>
+      </div>
+      {{--搜索输入框--}}
       <input type="text" v-model="countries_name" class="form-control" placeholder="{{ __('admin/customer.search_placeholder') }}"/>
     </div>
     {{--国家列表--}}
@@ -226,7 +239,28 @@
 
         _this.$message.success("{{ __('common.edit_success') }}");
         _this.$emit('change-info',countryIds);
-      }
+      },
+      // 全选 - 点击全选
+      allSelected(){
+        let _this = this;
+        let countriesList = Object.assign({}, _this.countries_list);
+        let countryIds = {};
+        // 循环全选
+        Object.values(countriesList).forEach(item => {
+          countryIds[item.id] = item;
+        });
+
+        _this.$message.success("{{ __('common.edit_success') }}");
+        _this.$emit('change-info',countryIds);
+      },
+      // 全选 - 取消选中
+      allSelectedCancel(){
+        let _this = this;
+        let countryIds = {};
+
+        _this.$message.success("{{ __('common.edit_success') }}");
+        _this.$emit('change-info',countryIds);
+      },
 
 
     }