shop-example/pkg/controller/product_backend.go

package controller

import (
	"encoding/json"
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/go-redis/redis"
	"strconv"
	"time"
	"worktest/pkg/model"
	"worktest/pkg/redistab"
)

type ListReq struct {
	Title string `json:"'title'"`
}

type ProductReq struct {
	ID uint `json:"autoincr"`
}

//RemoveCache 清除所有redis1缓存
func RemoveCache(c *gin.Context) {
	var req ProductReq
	if err := c.ShouldBind(&req); err != nil {
		Error(c, err.Error())
		return
	}

	v, err := redistab.RedisClient.Del(redistab.GetProductOrderList(req.ID)).Result()
	fmt.Println("1---------", v, err)
	v, err = redistab.RedisClient.Del(redistab.GetProductSaleNum(req.ID)).Result()
	fmt.Println("1---------", v, err)

	v, err = redistab.RedisClient.Del(redistab.GetProductStockSize(req.ID)).Result()
	fmt.Println("1---------", v, err)

	Success(c, nil)

	return
}

//RemoveAllCache 清除所有redis1缓存
func RemoveAllCache(c *gin.Context) {
	var req ListReq
	if err := c.ShouldBind(&req); err != nil {
		Error(c, err.Error())
		return
	}

	var list []*model.Product
	model.DB.Model(&model.Product{}).Find(&list)
	fmt.Println("2--------", redistab.RedisClient)

	for _, t := range list {
		//销量
		v, err := redistab.RedisClient.Del(redistab.GetProductOrderList(t.ID)).Result()
		fmt.Println("1---------", v, err)
		v, err = redistab.RedisClient.Del(redistab.GetProductSaleNum(t.ID)).Result()
		fmt.Println("1---------", v, err)

		v, err = redistab.RedisClient.Del(redistab.GetProductStockSize(t.ID)).Result()
		fmt.Println("1---------", v, err)
	}

	Success(c, nil)

	return
}

func List(c *gin.Context) {
	var req ListReq
	if err := c.ShouldBind(&req); err != nil {
		Error(c, err.Error())
		return
	}

	var list []*model.Product
	model.DB.Model(&model.Product{}).Find(&list)
	fmt.Println("2--------", redistab.RedisClient)

	for i, t := range list {
		fmt.Println("30----", redistab.GetProductOrderList(t.ID))
		//销量
		v, err := redistab.RedisClient.Get(redistab.GetProductOrderList(t.ID)).Result()
		fmt.Println("1---------", v, err)

		if err == nil && v != "" {
			u64, err := strconv.ParseUint(v, 10, 32)
			if err != nil {
				list[i].OrderNum = u64
			}
		}

		v, err = redistab.RedisClient.Get(redistab.GetProductSaleNum(t.ID)).Result()
		fmt.Println("1---------", v, err)

		if err == nil && v != "" {
			u64, err := strconv.ParseUint(v, 10, 32)
			if err != nil {
				list[i].SalesVolume = u64
			}
		}

		v, err = redistab.RedisClient.Get(redistab.GetProductStockSize(t.ID)).Result()
		fmt.Println("1---------", v, err)

		if err == nil && v != "" {
			u64, err := strconv.ParseUint(v, 10, 32)
			if err != nil {
				list[i].NowStockSize = u64
			}
		}

		b, err := redistab.RedisClient.PFCount(redistab.GetProductStockSize(t.ID)).Result()
		fmt.Println("1---------", b, err)

		if err == nil && v != "" {
			list[i].Uv = uint(b)
		}

	}

	Success(c, list)

	return
}

//Clear 清除数据
func Clear(c *gin.Context) {
	var req ListReq
	if err := c.ShouldBind(&req); err != nil {
		Error(c, err.Error())
		return
	}

	var list []*model.Product
	model.DB.Model(&model.Product{}).Find(&list)

	Success(c, list)

	return
}

//SynCache 同步redis
func SynCache(c *gin.Context) {
	var req ListReq
	if err := c.ShouldBind(&req); err != nil {
		Error(c, err.Error())
		return
	}

	var list []*model.Product
	model.DB.Model(&model.Product{}).Find(&list)
	fmt.Println("2--------", redistab.RedisClient)


	redistab.RedisClient.Del(redistab.GetProductBitMap())
	redistab.RedisClient.Del(redistab.GetProductIdSet())
	redistab.RedisClient.Del(redistab.GetProductIdZet())

	for _, t := range list {
		v, err := redistab.RedisClient.Set(redistab.GetProductStockSize(t.ID), t.StockSize, 0).Result()
		fmt.Println("1---------", v, err)
		temp, err := json.Marshal(t)

		v, err = redistab.RedisClient.Set(redistab.GetProductDetail(t.ID), string(temp), 0).Result()
		fmt.Println("1---------", v, err)

		//同步bitmap
		b, err := redistab.RedisClient.SetBit(redistab.GetProductBitMap(), int64(t.ID), 1).Result()
		fmt.Println("1---------", b, err)

		//id同步到set
		redistab.RedisClient.SAdd(redistab.GetProductIdSet(),t.ID)

		//id同步到zset
		redistab.RedisClient.ZAdd(redistab.GetProductIdZet(),redis.Z{Score: float64(t.ID), Member: t.ID})

	}

	//同步列表

	Success(c, list)

	return
}

func PublishMsg(c *gin.Context)  {

	for i := 0 ; i<=10 ; i++  {
		msg := fmt.Sprintf("消息标号：%d号",i)
		_= redistab.RedisClient.Publish(redistab.GetChannelKey(),msg) // 订阅 mychannel
	}


	Success(c, nil)

	return
}

func PublishMsgTime(c *gin.Context)  {

	for i := 0 ; i<=10 ; i++  {
		time.Sleep(100*time.Microsecond)
		msg := fmt.Sprintf("消息标号：%d号",i)
		_= redistab.RedisClient.Publish(redistab.GetChannelKey(),msg) // 订阅 mychannel
	}




	Success(c, nil)

	return
}