fix(integral-external): 外部用户列表用户 ID 筛选默认可空

Replace el-input-number (min clamped to 1) with text uidStr and only
send uid when a valid positive integer is entered.

Made-with: Cursor

backend-adminend/src/views/integral-external/user/index.vue

@@ -18,11 +18,10 @@
               </el-col>
               <el-col :xs="24" :sm="12" :md="6" :lg="5" :xl="5">
                 <el-form-item label="用户ID：">
-                  <el-input-number
-                    v-model="userFrom.uid"
-                    :min="1"
-                    :controls="false"
-                    placeholder="请输入用户ID"
+                  <el-input
+                    v-model="userFrom.uidStr"
+                    placeholder="可选，留空查全部"
+                    clearable
                     class="selWidth"
                     @keyup.enter.native="seachList"
                   />
@@ -127,7 +126,7 @@ export default {
       },
       userFrom: {
         keywords: '',
-        uid: null,
+        uidStr: '',
         dateLimit: '',
         page: 1,
         limit: 15,
@@ -142,8 +141,15 @@ export default {
     getList() {
       this.listLoading = true;
       const params = { ...this.userFrom };
+      delete params.uidStr;
+      const uidParsed =
+        this.userFrom.uidStr === '' || this.userFrom.uidStr == null
+          ? null
+          : parseInt(String(this.userFrom.uidStr).trim(), 10);
+      if (uidParsed != null && !Number.isNaN(uidParsed) && uidParsed > 0) {
+        params.uid = uidParsed;
+      }
       if (!params.keywords) delete params.keywords;
-      if (!params.uid) delete params.uid;
       if (!params.dateLimit) delete params.dateLimit;
 
       getExternalUserList(params)
@@ -161,7 +167,7 @@ export default {
       this.getList();
     },
     handleReset() {
-      this.userFrom = { keywords: '', uid: null, dateLimit: '', page: 1, limit: 15 };
+      this.userFrom = { keywords: '', uidStr: '', dateLimit: '', page: 1, limit: 15 };
       this.timeVal = [];
       this.getList();
     },