合并 智慧就业第一版

common/UniStorageHelper.js

@@ -111,6 +111,23 @@ class UniStorageHelper {
         return storeData.filter(item => item[fieldName] === value);
     }
 
+    async getRecordCount(storeName) {
+        const storeData = this._storageGet(this._getStoreKey(storeName)) || [];
+        return storeData.length;
+    }
+
+    async deleteOldestRecord(storeName) {
+        const storeKey = this._getStoreKey(storeName);
+        const storeData = this._storageGet(storeKey) || [];
+        if (storeData.length > 0) {
+            // 删除第一条记录（最早的记录）
+            const newData = storeData.slice(1);
+            this._storageSet(storeKey, newData);
+            this._log(`删除最早的记录，剩余${newData.length}条记录`);
+        }
+        return Promise.resolve();
+    }
+
     /*==================
      更新/删除方法
     ==================*/