func GetRecentDays(Days int) []string
: Days can be negative valuefunc GetTime(type_t string) string
: get time
type_t result format
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"yyyy-mm-dd hh:mm:ss" "2006-01-02 15:04:05"
"yyyymmdd" "20060102"
"yyyy年mm月dd日" "2006年01月02日"
"yyyy-mm-dd" "2006-01-02"
"yyyy/mm/dd" "2006/01/02"
"mmdd" "0102"
"mm/dd" "01/02"
"mm-dd" "01-02"
"mm月dd日" "01月02日"
"hh:mm:ss" "15:04:05"
"hh:mm" "15:04"
"hh时mm分" "15时04分"
"hh时mm分ss秒" "15时04分05秒"
"" "2006-01-02 15:04:05"
"yyyy": "2006"
"yyyy年" "2006年"
"yyyymm" "200601"