feat(初步完成Redis缓存功能):

lib/cache/redis_cache.js

@@ -0,0 +1,40 @@
+import Redis from 'ioredis'
+import BLOG from '@/blog.config'
+import { siteConfig } from '@/lib/config'
+
+const redisClient = new Redis(process.env.REDIS_URL)
+const cacheTime = Math.trunc(
+  siteConfig('NEXT_REVALIDATE_SECOND', BLOG.NEXT_REVALIDATE_SECOND) * 1.5
+)
+
+export async function getCache(key) {
+  try {
+    const data = await redisClient.get(key)
+    return data ? JSON.parse(data) : null
+  } catch (e) {
+    console.error('redisClient读取失败 ' + e)
+  }
+}
+
+export async function setCache(key, data, customCacheTime) {
+  try {
+    await redisClient.set(
+      key,
+      JSON.stringify(data),
+      'EX',
+      customCacheTime || cacheTime
+    )
+  } catch (e) {
+    console.error('redisClient写入失败 ' + e)
+  }
+}
+
+export async function delCache(key) {
+  try {
+    await redisClient.del(key)
+  } catch (e) {
+    console.error('redisClient删除失败 ' + e)
+  }
+}
+
+export default { getCache, setCache, delCache }