first

lib/cache/redis.go

@@ -0,0 +1,49 @@
+package cache
+
+import (
+	"context"
+	"github.com/go-redis/redis/v8"
+	"time"
+)
+
+var ctx = context.Background()
+
+type RedisCache struct {
+	rdb *redis.Client
+}
+
+func RedisCacheInit(conf *redis.Options) *RedisCache {
+	c := &RedisCache{}
+	c.rdb = redis.NewClient(conf)
+	return c
+}
+
+func (c *RedisCache) Get(key string, value interface{}) error {
+	data, err := c.rdb.Get(ctx, key).Result()
+	if err != nil {
+		return err
+	}
+	err1 := DecodeValue(data, value)
+	return err1
+}
+
+func (c *RedisCache) Set(key string, value interface{}, exp int) error {
+	str, err := EncodeValue(value)
+	if err != nil {
+		return err
+	}
+	if exp <= 0 {
+		exp = MaxTimeOut
+	}
+	_, err1 := c.rdb.Set(ctx, key, str, time.Duration(exp)*time.Second).Result()
+	return err1
+}
+
+func (c *RedisCache) Gc() error {
+	return nil
+}
+
+func NewRedis(conf *redis.Options) *RedisCache {
+	cache := RedisCacheInit(conf)
+	return cache
+}