easygoadmin/utils/redis.go

/**
 * 数据库连接工具
 * @author
 * @since 2021/9/8
 * @File : db
 */
package utils

import (
	"easygoadmin/library/cfg"
	"fmt"
	"github.com/go-redis/redis/v8"
	_ "github.com/go-sql-driver/mysql"
	"sync"
	"time"
)

type RedisHelper struct {
	*redis.Client
}

var redisHelper *RedisHelper

var redisOnce sync.Once

func GetRedisHelper() *RedisHelper {
	return redisHelper
}

func NewRedisHelper() *redis.Client {
	// 获取配置实例
	config := cfg.Instance()
	addr := fmt.Sprintf("%s:%d", config.RedisCfg.Addr, config.RedisCfg.Port)
	rdb := redis.NewClient(&redis.Options{
		Addr:         addr,
		Password:     "",
		DB:           int(config.RedisCfg.Db),
		DialTimeout:  10 * time.Second,
		ReadTimeout:  30 * time.Second,
		WriteTimeout: 30 * time.Second,
		PoolSize:     10,
		PoolTimeout:  30 * time.Second,
	})

	redisOnce.Do(func() {
		rdh := new(RedisHelper)
		rdh.Client = rdb
		redisHelper = rdh
	})

	return rdb
}

func init() {
	fmt.Println("初始化并连接redis")
	NewRedisHelper()
}