fix(admin): city-scoped district pick and clearer overlap errors

Region partners only select districts under the chosen city; overlap errors name the occupying partner. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-22 18:14:54 +08:00
parent 85f2c156b0
commit 8c4419e04e
9 changed files with 338 additions and 140 deletions
@@ -0,0 +1,42 @@
+import { useMemo } from 'react';
+import { Select } from 'antd';
+import { getDistrictOptionsByCityCode } from '../lib/china-region';
+
+type Props = {
+  cityCode?: string | null;
+  value?: string[];
+  onChange?: (value: string[]) => void;
+  placeholder?: string;
+  disabled?: boolean;
+};
+
+/** 已选开城城市后，仅多选该市下区县（不再选省/市） */
+export default function CityDistrictMultiSelect({
+  cityCode,
+  value,
+  onChange,
+  placeholder,
+  disabled,
+}: Props) {
+  const options = useMemo(() => getDistrictOptionsByCityCode(cityCode), [cityCode]);
+  const ready = Boolean(cityCode) && options.length > 0;
+
+  return (
+    <Select
+      mode="multiple"
+      allowClear
+      showSearch
+      optionFilterProp="label"
+      value={value}
+      onChange={onChange}
+      disabled={disabled || !ready}
+      placeholder={
+        placeholder ??
+        (cityCode ? (ready ? '请选择区县（可多选）' : '该城市暂无区县数据') : '请先选择开城城市')
+      }
+      options={options}
+      style={{ width: '100%' }}
+      maxTagCount="responsive"
+    />
+  );
+}