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time_parse.go
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time_parse.go
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package time_parse
import (
"math"
"net/http"
"time"
)
var (
cst *time.Location
)
// CSTLayout China Standard Time Layout
const CSTLayout = "2006-01-02 15:04:05"
func init() {
var err error
if cst, err = time.LoadLocation("Asia/Shanghai"); err != nil {
panic(err)
}
}
// RFC3339ToCSTLayout convert rfc3339 value to china standard time layout
// 2020-11-08T08:18:46+08:00 => 2020-11-08 08:18:46
func RFC3339ToCSTLayout(value string) (string, error) {
ts, err := time.Parse(time.RFC3339, value)
if err != nil {
return "", err
}
return ts.In(cst).Format(CSTLayout), nil
}
// CSTLayoutString 格式化时间
// 返回 "2006-01-02 15:04:05" 格式的时间
func CSTLayoutString() string {
ts := time.Now()
return ts.In(cst).Format(CSTLayout)
}
// ParseCSTInLocation 格式化时间
func ParseCSTInLocation(date string) (time.Time, error) {
return time.ParseInLocation(CSTLayout, date, cst)
}
// CSTLayoutStringToUnix 返回 unix 时间戳
// 2020-01-24 21:11:11 => 1579871471
func CSTLayoutStringToUnix(cstLayoutString string) (int64, error) {
stamp, err := time.ParseInLocation(CSTLayout, cstLayoutString, cst)
if err != nil {
return 0, err
}
return stamp.Unix(), nil
}
// GMTLayoutString 格式化时间
// 返回 "Mon, 02 Jan 2006 15:04:05 GMT" 格式的时间
func GMTLayoutString() string {
return time.Now().In(cst).Format(http.TimeFormat)
}
// ParseGMTInLocation 格式化时间
func ParseGMTInLocation(date string) (time.Time, error) {
return time.ParseInLocation(http.TimeFormat, date, cst)
}
// SubInLocation 计算时间差
func SubInLocation(ts time.Time) float64 {
return math.Abs(time.Now().In(cst).Sub(ts).Seconds())
}