feat: 实现政策列表的级联筛选功能，支持政策类型和二级分类的动态联动。

packageRc/pages/policy/policyList.vue

@@ -22,6 +22,23 @@
           @click="search()"
         />
       </view>
+      <view
+        class="inner"
+        :style="{
+          width: 'calc(100% + 64rpx)',
+          marginLeft: '-32rpx',
+          height: zctopShow ? 'auto' : '122rpx',
+          position: 'relative',
+          zIndex: zctopShow ? 100 : 2,
+        }"
+      >
+        <PopupList
+          :checkData="checkData"
+          @searchCheck="search"
+          ref="PopupList"
+          @popupSearch="popupSearch"
+        />
+      </view>
       <view
         v-if="total"
         style="position: relative; padding: 32rpx 0; color: #000"
@@ -32,7 +49,7 @@
       <!-- <scroll-view :scroll-y="true" style="height: calc(100vh - 342rpx);position: relative;z-index: 1;" -->
       <scroll-view
         :scroll-y="true"
-        style="height: calc(100vh - 232rpx); position: relative; z-index: 1"
+        style="height: calc(100vh - 354rpx); position: relative; z-index: 1"
         @scrolltolower="getBottomList"
         :show-scrollbar="false"
       >
@@ -92,6 +109,7 @@
 <script>
 import PopupList from "/packageRc/components/PopupLists.vue";
 import { getPolicyList } from "@/packageRc/apiRc/policy";
+import { getDicts } from "@/packageRc/apiRc/system/dict";
 export default {
   components: {
     PopupList,
@@ -106,15 +124,122 @@ export default {
       showMorePage: true,
       tableData: [],
       loading: false,
+      checkData: [],
+      zctopShow: false,
+      policyTypeMList: [],
     };
   },
   onLoad(options) {
     this.queryParams.zclx = options.zclx;
+    this.getCheckData();
   },
   onShow() {
     this.search();
   },
+  watch: {
+    "checkData": {
+      handler(newVal) {
+        if (!newVal || newVal.length < 3 || !this.policyTypeMList.length) return;
+        const typeL = newVal[0].data[newVal[0].activeIndex].dictValue;
+
+        // 政策类型不选时，不显示二级分类
+        const isHidden = !typeL;
+        if (newVal[1].hidden !== isHidden) {
+          this.$set(newVal[1], "hidden", isHidden);
+        }
+
+        // 政策类型不选时，确保二级分类已选索引重置为0（全部）
+        if (isHidden && newVal[1].activeIndex !== 0) {
+          this.$set(newVal[1], "activeIndex", 0);
+        }
+
+        let filtered = [];
+        if (typeL) {
+          filtered = this.policyTypeMList.filter((item) =>
+            item.dictValue.startsWith(typeL)
+          );
+        } else {
+          filtered = this.policyTypeMList;
+        }
+
+        // Only update if data changed to avoid infinite loop
+        const newData = [{ dictLabel: "全部", dictValue: "" }].concat(filtered);
+        if (JSON.stringify(newVal[1].data) !== JSON.stringify(newData)) {
+          this.$set(newVal[1], "data", newData);
+          this.$set(newVal[1], "activeIndex", 0);
+        }
+      },
+      deep: true,
+    },
+  },
   methods: {
+    async getCheckData() {
+      const resLevel = await getDicts("zc_level");
+      const resType1 = await getDicts("policy_type1");
+      const resType2 = await getDicts("policy_type2");
+      this.policyTypeMList = resType2.data;
+
+      const type1Data = [{ dictLabel: "全部", dictValue: "" }].concat(
+        resType1.data || []
+      );
+      // policyTypeL 与 zclx 不相关，不再使用 zclx 初始化
+      const initialTypeLIndex = type1Data.findIndex(
+        (item) => item.dictValue == this.queryParams.policyTypeL
+      );
+
+      this.checkData = [
+        {
+          name: "政策类型",
+          type: "policyTypeL",
+          data: type1Data,
+          activeIndex: initialTypeLIndex > -1 ? initialTypeLIndex : 0,
+        },
+        {
+          name: "二级分类",
+          type: "policyTypeM",
+          data: [{ dictLabel: "全部", dictValue: "" }].concat(resType2.data || []),
+          activeIndex: 0,
+          hidden: true,
+        },
+        {
+          name: "政策级别",
+          type: "zcLevel",
+          data: [{ dictLabel: "全部", dictValue: "" }].concat(resLevel.data || []),
+          activeIndex: 0,
+        },
+      ];
+    },
+    popupSearch(data) {
+      // 获取此次提交前，旧的政策类型值
+      const oldTypeL = this.queryParams.policyTypeL || "";
+
+      // 获取弹窗提交的实时选值
+      const selections = {};
+      data.forEach((item) => {
+        const active = item.data[item.activeIndex];
+        selections[item.type] = active.dictLabel === "全部" ? "" : active.dictValue;
+      });
+
+      // 核心判定逻辑：
+      // 如果发现“政策类型(policyTypeL)”发生了变化
+      if (selections.policyTypeL !== oldTypeL) {
+        // 如果改变成了具体的分类，且二级分类传过来的不是该分类下的子类（说明是残留选项没来得及重置）
+        // 或者是变回了“全部”
+        // 那么必须强制清空二级分类
+        if (!selections.policyTypeL || (selections.policyTypeM && !selections.policyTypeM.startsWith(selections.policyTypeL))) {
+            selections.policyTypeM = "";
+            const typeMItem = data.find((it) => it.type === "policyTypeM");
+            if (typeMItem) typeMItem.activeIndex = 0;
+        }
+      }
+
+      // 将最终确定的值同步到查询参数中
+      Object.keys(selections).forEach((key) => {
+        this.$set(this.queryParams, key, selections[key]);
+      });
+
+      this.search();
+    },
     goPolicyDetail(item) {
       uni.navigateTo({
         url: `/packageRc/pages/policy/policyDetail?id=${item.id}`,
@@ -208,7 +333,7 @@ export default {
   display: flex;
   align-items: center;
   position: relative;
-  z-index: 1;
+  z-index: 110;
   margin-top: 24rpx;
 
   .search-icon {