feat(redis):增加删除Redis缓存内容的快速操作函数。
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parent
fddfb4ab15
commit
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14
cache/abstract.go
vendored
14
cache/abstract.go
vendored
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@ -8,6 +8,8 @@ import (
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"github.com/vmihailenco/msgpack/v5"
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"github.com/vmihailenco/msgpack/v5"
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)
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)
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// 向Redis缓存中保存一个数据
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// ! 如果需要长期保存一个数据,那么需要向expires传入0。
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func Cache[T interface{}](key string, value *T, expires time.Duration) error {
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func Cache[T interface{}](key string, value *T, expires time.Duration) error {
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serializedValue, err := msgpack.Marshal(value)
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serializedValue, err := msgpack.Marshal(value)
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@ -18,6 +20,7 @@ func Cache[T interface{}](key string, value *T, expires time.Duration) error {
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return cmd.Err()
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return cmd.Err()
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}
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}
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// 从Redis缓存中获取一个数据
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func Retreive[T interface{}](key string) (*T, error) {
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func Retreive[T interface{}](key string) (*T, error) {
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result, err := global.RedisConn.Get(global.Ctx, key).Result()
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result, err := global.RedisConn.Get(global.Ctx, key).Result()
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if err != nil {
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if err != nil {
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@ -35,6 +38,7 @@ func Retreive[T interface{}](key string) (*T, error) {
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return value, nil
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return value, nil
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}
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}
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// 检查Redis缓存中是否存在指定键的记录
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func Exists(key string) (bool, error) {
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func Exists(key string) (bool, error) {
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result, err := global.RedisConn.Exists(global.Ctx, key).Result()
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result, err := global.RedisConn.Exists(global.Ctx, key).Result()
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if err != nil {
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if err != nil {
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@ -42,3 +46,13 @@ func Exists(key string) (bool, error) {
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}
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}
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return result > 0, nil
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return result > 0, nil
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}
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}
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// 从Redis缓存中删除指定键
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// ! 如果指定键已不存在,那么本函数一样会返回false
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func Delete(key string) (bool, error) {
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result, err := global.RedisConn.Del(global.Ctx, key).Result()
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if err != nil {
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return false, err
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}
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return result > 0, nil
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}
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