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code/allapp/allapp-go/utils/redisx/redis.go

@@ -0,0 +1,49 @@
+package redisx
+
+import (
+	"allapp/conf"
+	"context"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/redis/go-redis/v9"
+)
+
+var (
+	client *redis.Client
+	once   sync.Once
+)
+
+// Init 初始化 Redis（只会执行一次）
+func Init() *redis.Client {
+	once.Do(func() {
+		redisConfig := conf.GetConf().Redis
+
+		addr := fmt.Sprintf("%s:%d", redisConfig.Host, redisConfig.Port)
+
+		client = redis.NewClient(&redis.Options{
+			Addr:     addr,
+			Password: redisConfig.Password,
+			DB:       redisConfig.Db,
+		})
+
+		// 启动时检测连接
+		ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+		defer cancel()
+
+		if err := client.Ping(ctx).Err(); err != nil {
+			panic("redis 连接失败: " + err.Error())
+		}
+	})
+
+	return client
+}
+
+// Client 获取 Redis 客户端
+func Client() *redis.Client {
+	if client == nil {
+		panic("redis 尚未初始化")
+	}
+	return client
+}