chore: 并入 iotlcm-openapi 历史到 openapi/（原提交 3b05d5a）

openapi/utility/gfredis/string.go

@@ -0,0 +1,42 @@
+package gfredis
+
+import (
+	"context"
+	"time"
+
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/util/gconv"
+	"github.com/redis/go-redis/v9"
+)
+
+func (r *Redis) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) error {
+	cmd := r.rdb.Set(ctx, key, gconv.String(value), expiration)
+	return cmd.Err()
+}
+
+func (r *Redis) SetNX(ctx context.Context, key string, value interface{}, expiration time.Duration) (bool, error) {
+	cmd := r.rdb.SetNX(ctx, key, gconv.String(value), expiration)
+	return cmd.Val(), cmd.Err()
+}
+
+func (r *Redis) Get(ctx context.Context, key string) (*g.Var, error) {
+	cmd := r.rdb.Get(ctx, key)
+	if cmd.Err() == redis.Nil {
+		return g.NewVar(nil), nil
+	}
+	return g.NewVar(cmd.Val()), cmd.Err()
+}
+
+func (r *Redis) UpdateExpire(ctx context.Context, key string, expiration time.Duration) (bool, error) {
+	cmd := r.rdb.Expire(ctx, key, expiration)
+	return cmd.Val(), cmd.Err()
+}
+
+func (r *Redis) Remove(ctx context.Context, key string) (bool, error) {
+	cmd := r.rdb.Del(ctx, key)
+	return cmd.Val() > 0, cmd.Err()
+}
+func (r *Redis) Del(ctx context.Context, key string) (int64, error) {
+	cmd := r.rdb.Del(ctx, key)
+	return cmd.Val(), cmd.Err()
+}