fix(export): 修复导出创建者选择为单选的逻辑问题

- 将订单数据创建者选择从多选改为单选
- 修改关联分销商加载逻辑，支持单个创建者ID查询
- 更新计算属性hasCreators以适应单选字段
- 调整导出筛选条件构建中创建者ID的处理
- 添加监听导出表单中的creatorId变化，重置相关筛选条件并重新加载分销商列表

web/index.html

@@ -271,7 +271,7 @@
       <el-row :gutter="8" v-if="isOrder && exportForm.datasource==='marketing'">
         <el-col :span="12">
           <el-form-item label="订单数据创建者" prop="creator">
-            <el-select v-model="exportForm.creatorIds" multiple clearable filterable :disabled="hasOnlyUserId" :teleported="false" placeholder="请选择创建者" style="width:100%">
+            <el-select v-model="exportForm.creatorId" clearable filterable :disabled="hasOnlyUserId" :teleported="false" placeholder="请选择创建者" style="width:100%">
               <el-option v-for="opt in creatorOptions" :key="opt.value" :label="opt.label" :value="opt.value" />
             </el-select>
           </el-form-item>

web/main.js

@@ -295,13 +295,13 @@ const app = createApp({
      * 加载分销商列表
      */
     const loadResellers = async () => {
-      const ids = state.exportForm.creatorIds;
-      if (!ids?.length) {
+      const id = state.exportForm.creatorId;
+      if (!id) {
         resellerOptions.value = [];
         return;
       }
       try {
-        resellerOptions.value = await Api.fetchResellers(ids);
+        resellerOptions.value = await Api.fetchResellers([id]);
       } catch (error) {
         console.error('加载分销商列表失败:', error);
         resellerOptions.value = [];
@@ -360,7 +360,7 @@ const app = createApp({
     };
 
     // ==================== 导出相关计算属性 ====================
-    const hasCreators = Vue.computed(() => state.exportForm.creatorIds?.length > 0);
+    const hasCreators = Vue.computed(() => !!state.exportForm.creatorId);
     const hasReseller = Vue.computed(() => !!state.exportForm.resellerId);
     const hasPlan = Vue.computed(() => !!state.exportForm.planId);
     const hasKeyBatch = Vue.computed(() => !!state.exportForm.keyBatchId);
@@ -702,7 +702,9 @@ const app = createApp({
           }
         }
 
-        if (creatorIds?.length) {
+        if (creatorId) {
+          filters.creator_in = [Number(creatorId)];
+        } else if (creatorIds?.length) {
           filters.creator_in = creatorIds.map(Number);
         } else if (creatorIdsRaw) {
           const arr = String(creatorIdsRaw).split(',').map(s => s.trim()).filter(Boolean);
@@ -923,6 +925,14 @@ const app = createApp({
     });
 
     // 导出筛选条件变化
+    Vue.watch(() => state.exportForm.creatorId, () => {
+      state.exportForm.resellerId = null;
+      state.exportForm.planId = null;
+      state.exportForm.keyBatchId = null;
+      state.exportForm.codeBatchId = null;
+      loadResellers();
+    });
+
     Vue.watch(() => state.exportForm.creatorIds, () => {
       state.exportForm.resellerId = null;
       state.exportForm.planId = null;