Golang 使用过程中遇到的小技巧

	import "github.com/robfig/cron/v3"    cron := cron.New()	cron.AddJob("@every 600s", job.TaskJob("job"))	cron.Start()	select {	}

import "log"
logFile, err := os.OpenFile("./log_file.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)	if err != nil {		fmt.Println("open log file failed, err:", err)		return	}	log.SetOutput(logFile)	log.SetFlags(log.Lshortfile | log.Lmicroseconds | log.Ldate)

	content, _ := ioutil.ReadAll(resp.Body)	// content 为response返回的json字符串	responseMap := map[string]interface{}{}	json.Unmarshal(content, &responseMap)  dayBefore := responseMap["data"].(map[string]interface{})["dayBefore"].([]interface{})	realTime := responseMap["data"].(map[string]interface{})["realTime"].([]interface{})

// 加 8小时timeEnd, _ := time.Parse("2006-01-02T15:04:05.000+0000", dataMapDayBefore["timeEnd"].(string))timeStr := time.Unix(timeEnd.Unix(), 0).Format("2006-01-02 15:04:05")// 不加 8小时timeEnd, _ := time.ParseInLocation("2006-01-02T15:04:05.000+0000", dataMapDayBefore["timeEnd"].(string), time.Local)timeStr := time.Format("2006-01-02 15:04:05")

func splitSlice(keys []string) [][]string {	sort.Strings(keys)	returnData := make([][]string, 0)	i := 0	var j int	for {		if i >= len(keys) {			break		}		for j = i + 1; j < len(keys) && keys[i][:strings.LastIndex(keys[i], ":")] == keys[j][:strings.LastIndex(keys[j], ":")]; j++ {		}		returnData = append(returnData, keys[i:j])		i = j	}	return returnData}

import "github.com/gomodule/redigo/redis"
func (c cacheRepo) Scan(key string) ([]string, error) {	inter, _ := c.client.Do("SCAN", 0, "match", key, "count", 1000)	va := inter.([]interface{})	va2 := va[1].([]interface{})
	keys := make([]string, len(va2))	for i, v := range va2 {		keys[i] = string(v.([]uint8))	}	return keys, nil}

func (c cacheRepo) LPush(key string, ttl time.Duration, values []interface{}) error {	args := []interface{}{key}	args = append(args, values...)	_, error := c.client.Do("LPush", args...)	c.client.Do("expire", key, ttl)	return error}
func (c cacheRepo) Lpop(key string) (string, error) {	inte, error := c.client.Do("LPOP", key)	if error != nil || inte == nil {		return "", error	} else {		token := string(inte.([]uint8))		return token, nil	}}

import "html"
str1 := resp["htmlTag"]str := str1.(string)escaped := html.UnescapeString(str)