Files
service-common/db/redis/cache_client.go

51 lines
1.2 KiB
Go

package redis
import (
"context"
"encoding/json"
"github.com/panjf2000/gnet/v2/pkg/logging"
"github.com/redis/go-redis/v9"
"time"
)
var cacheInstance *CacheClient
type CacheClient struct {
cli *redis.Client
logger logging.Logger
}
func GetCacheClient() *CacheClient {
return cacheInstance
}
func (c *CacheClient) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) {
bytes, err := json.Marshal(value)
if err != nil {
c.logger.Errorf("Set json.Marshal error: %v, key: %v, value: %v", err, key, value)
return
}
if err = c.cli.Set(ctx, key, bytes, expiration).Err(); err != nil {
c.logger.Errorf("Set redis.Set error: %v, key: %v, value: %v", err, key, value)
}
}
func (c *CacheClient) Del(ctx context.Context, keys ...string) {
if err := c.cli.Del(ctx, keys...).Err(); err != nil {
c.logger.Errorf("Set redis.Del error: %v, keys: %v", err, keys)
}
}
// Get 获取数据
func (c *CacheClient) Get(ctx context.Context, key string, dst interface{}) bool {
data, err := c.cli.Get(ctx, key).Bytes()
if err != nil {
return false
}
if err = json.Unmarshal(data, dst); err != nil {
c.logger.Errorf("Get json.Unmarshal error: %v, key: %v", err, key)
return false
}
return true
}