From e6c9b35ab402df7d9ebb82306131fc30d0a8b893 Mon Sep 17 00:00:00 2001
From: Yanbowen <349952469@qq.com>
Date: Tue, 23 Nov 2021 09:57:59 +0800
Subject: [PATCH] =?UTF-8?q?feat(storage):=20local=E5=AD=98=E5=82=A8?=
 =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E6=9C=89=E6=95=88=E6=9C=9F?=
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---
 src/utils/storage/local.ts | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/utils/storage/local.ts b/src/utils/storage/local.ts
index c042eac3..7a50404d 100644
--- a/src/utils/storage/local.ts
+++ b/src/utils/storage/local.ts
@@ -1,12 +1,21 @@
-export function setLocal(key: string, value: unknown) {
-  const json = JSON.stringify(value);
+/** 默认缓存期限为7天 */
+const DEFAULT_CACHE_TIME = 60 * 60 * 24 * 7;
+
+export function setLocal(key: string, value: unknown, expire: number | null = DEFAULT_CACHE_TIME) {
+  const json = JSON.stringify({ value, expire: expire !== null ? new Date().getTime() + expire * 1000 : null });
   window.localStorage.setItem(key, json);
 }
 
 export function getLocal<T>(key: string) {
   const json = window.localStorage.getItem(key);
   if (json) {
-    return JSON.parse(json) as T;
+    const data = JSON.parse(json);
+    const { value, expire } = data;
+    /** 在有效期内直接返回 */
+    if (expire === null || expire >= Date.now()) {
+      return value as T;
+    }
+    removeLocal(key);
   }
   return null;
 }