mh_goadmin_server/pkg/utils/json_time.go
2023-09-16 10:56:39 +08:00

43 lines
916 B
Go

package utils
import (
"database/sql/driver"
"fmt"
"time"
)
// JSONTime format json time field by myself
type JSONTime struct {
time.Time
}
// MarshalJSON on JSONTime format Time field with %Y-%m-%d %H:%M:%S
func (t JSONTime) MarshalJSON() ([]byte, error) {
if (t == JSONTime{}) {
formatted := fmt.Sprintf("\"%s\"", "")
return []byte(formatted), nil
} else {
formatted := fmt.Sprintf("\"%s\"", t.Format("2006-01-02 15:04:05"))
return []byte(formatted), nil
}
}
// Value insert timestamp into mysql need this function.
func (t JSONTime) Value() (driver.Value, error) {
var zeroTime time.Time
if t.Time.UnixNano() == zeroTime.UnixNano() {
return nil, nil
}
return t.Time, nil
}
// Scan valueof time.Time
func (t *JSONTime) Scan(v interface{}) error {
value, ok := v.(time.Time)
if ok {
*t = JSONTime{Time: value}
return nil
}
return fmt.Errorf("can not convert %v to timestamp", v)
}