refactor: ♻️ 字典重构和翻译完成

src/utils/cache.ts

@@ -0,0 +1,79 @@
+const DEFAULT_CACHE_EXPIRY_TIME = 5 * 60 * 1000; // 默认缓存有效期为5分钟
+
+/**
+ * 通用缓存工具类
+ */
+class Cache {
+  private cachePrefix: string;
+
+  constructor(prefix: string = "cache_") {
+    this.cachePrefix = prefix;
+  }
+
+  /**
+   * 设置缓存
+   *
+   * @param key 缓存的键
+   * @param data 缓存的数据
+   * @param expiryTime 缓存有效期（毫秒），默认5分钟
+   */
+  setCache(
+    key: string,
+    data: any,
+    expiryTime: number = DEFAULT_CACHE_EXPIRY_TIME
+  ) {
+    const expiryTimestamp = new Date().getTime() + expiryTime;
+    const cacheKey = this.cachePrefix + key;
+    const cacheData = { data, expiryTimestamp };
+
+    localStorage.setItem(cacheKey, JSON.stringify(cacheData));
+  }
+
+  /**
+   * 获取缓存
+   *
+   * @param key 缓存的键
+   * @returns 如果缓存有效则返回缓存的数据，否则返回 null
+   */
+  getCache(key: string) {
+    const cacheKey = this.cachePrefix + key;
+    const cached = localStorage.getItem(cacheKey);
+
+    if (cached) {
+      const { data, expiryTimestamp } = JSON.parse(cached);
+      const now = new Date().getTime();
+
+      // 如果缓存未过期，返回数据
+      if (now < expiryTimestamp) {
+        return data;
+      } else {
+        // 如果缓存过期，移除缓存
+        localStorage.removeItem(cacheKey);
+      }
+    }
+    return null;
+  }
+
+  /**
+   * 移除缓存
+   *
+   * @param key 缓存的键
+   */
+  removeCache(key: string) {
+    const cacheKey = this.cachePrefix + key;
+    localStorage.removeItem(cacheKey);
+  }
+
+  /**
+   * 清空当前前缀下的所有缓存
+   */
+  clearCache() {
+    for (const key in localStorage) {
+      if (key.startsWith(this.cachePrefix)) {
+        localStorage.removeItem(key);
+      }
+    }
+  }
+}
+
+export default Cache;