修改问题

public/js/region-pages.js

@@ -58,6 +58,37 @@
     return pick(item, ['regionName', 'name', 'label'], '未命名地区');
   }
 
+  function getRegionLevel(item) {
+    var source = item || {};
+    var level = Number(pick(source, ['level', 'regionLevel'], 0));
+    var code = getRegionCode(source);
+
+    if (level >= 1 && level <= 3) return level;
+    if (!/^\d{6}$/.test(code)) return 0;
+    if (/0000$/.test(code)) return 1;
+    if (/00$/.test(code)) return 2;
+    return 3;
+  }
+
+  function buildRegionSelection(items) {
+    var selection = {
+      provinceCode: '',
+      cityCode: '',
+      districtCode: ''
+    };
+
+    normalizeList(items).forEach(function (item) {
+      var code = getRegionCode(item);
+      var level = getRegionLevel(item);
+
+      if (level === 1) selection.provinceCode = code;
+      if (level === 2) selection.cityCode = code;
+      if (level === 3) selection.districtCode = code;
+    });
+
+    return selection;
+  }
+
   function buildRegionOption(item) {
     return '<option value="' + escapeHtml(getRegionCode(item)) + '">' + escapeHtml(getRegionName(item)) + '</option>';
   }
@@ -180,6 +211,91 @@
     });
   }
 
+  async function applyRegionSelection(picker, selection) {
+    var province = query('[data-region-level="province"]', picker);
+    var city = query('[data-region-level="city"]', picker);
+    var district = query('[data-region-level="district"]', picker);
+    var values = selection || {};
+
+    if (!values.provinceCode) return;
+
+    province.value = values.provinceCode;
+    resetSelect(city, '请选择市');
+    resetSelect(district, '请选择区县');
+
+    if (values.cityCode) {
+      await loadChildrenInto(city, values.provinceCode, '请选择市');
+      city.value = values.cityCode;
+    }
+
+    if (values.districtCode && values.cityCode) {
+      await loadChildrenInto(district, values.cityCode, '请选择区县');
+      district.value = values.districtCode;
+    }
+
+    updateTargetCode(picker);
+  }
+
+  function renderSearchResults(container, items) {
+    var list = normalizeList(items);
+
+    if (!container) return;
+    container.innerHTML = list.length ? list.map(function (item) {
+      var code = getRegionCode(item);
+      var name = getRegionName(item);
+
+      return '<button class="btn ghost magnetic" type="button" data-region-search-result="' + escapeHtml(code) + '">' + escapeHtml(name) + ' ' + escapeHtml(code) + '</button>';
+    }).join('') : '<p class="api-empty">未找到匹配地区</p>';
+  }
+
+  async function submitRegionSearch(form) {
+    var api = getApi();
+    var values = getFormValues(form);
+    var results = query('[data-region-search-results]', form.parentNode);
+    var pathText = query('[data-region-search-path]', form.parentNode);
+
+    if (!api) return;
+    if (!values.regionKeyword || !values.regionKeyword.trim()) {
+      showMessage('请输入地区名称或编码');
+      return;
+    }
+
+    if (pathText) pathText.textContent = '搜索中...';
+    try {
+      renderSearchResults(results, await api.regionSearch({
+        keyword: values.regionKeyword.trim(),
+        limit: 20
+      }));
+      if (pathText) pathText.textContent = '请选择一个地区';
+    } catch (error) {
+      if (pathText) pathText.textContent = error.message || '地区搜索失败';
+      showMessage(error.message || '地区搜索失败');
+    }
+  }
+
+  async function selectSearchResult(button) {
+    var api = getApi();
+    var code = button.getAttribute('data-region-search-result');
+    var section = button.closest('.module-panel');
+    var picker = section && query('[data-region-picker]', section);
+    var pathText = section && query('[data-region-search-path]', section);
+    var detail;
+    var path;
+
+    if (!api || !code || !picker) return;
+
+    if (pathText) pathText.textContent = '正在定位地区...';
+    try {
+      detail = await api.regionDetail(code);
+      path = await api.regionPath(getRegionCode(detail) || code);
+      await applyRegionSelection(picker, buildRegionSelection(path));
+      if (pathText) pathText.textContent = buildPathText(path);
+    } catch (error) {
+      if (pathText) pathText.textContent = error.message || '地区定位失败';
+      showMessage(error.message || '地区定位失败');
+    }
+  }
+
   async function submitProfileRegion(form) {
     var api = getApi();
     var values = getFormValues(form);
@@ -208,6 +324,23 @@
     });
   }
 
+  function bindSearchForms() {
+    queryAll('[data-region-search-form]').forEach(function (form) {
+      form.addEventListener('submit', function (event) {
+        event.preventDefault();
+        submitRegionSearch(form);
+      });
+    });
+
+    documentRef.addEventListener('click', function (event) {
+      var button = event.target.closest('[data-region-search-result]');
+
+      if (!button) return;
+      event.preventDefault();
+      selectSearchResult(button);
+    });
+  }
+
   function init() {
     if (!documentRef) return;
 
@@ -215,12 +348,14 @@
       initPicker(picker);
     });
     bindProfileForms();
+    bindSearchForms();
   }
 
   return {
     normalizeList: normalizeList,
     buildRegionOption: buildRegionOption,
     buildPathText: buildPathText,
+    buildRegionSelection: buildRegionSelection,
     getFinalRegionCode: getFinalRegionCode,
     buildProfileRegionBody: buildProfileRegionBody,
     init: init