github.com/aaabigfish/gopkg@v1.1.0/timex/xtime.go (about)

     1  package timex
     2  
     3  import (
     4  	"database/sql/driver"
     5  	"fmt"
     6  	"time"
     7  )
     8  
     9  type JsonTime time.Time
    10  
    11  func (t JsonTime) MarshalJSON() ([]byte, error) {
    12  	s := fmt.Sprintf(`"%s"`, time.Time(t).Format(TimeLayout))
    13  	return []byte(s), nil
    14  }
    15  
    16  func (t *JsonTime) UnmarshalJSON(data []byte) error {
    17  	if data == nil || len(data) <= 1 {
    18  		dateTime, _ := time.Parse(TimeLayout, "0000-00-00 00:00:00")
    19  		*t = JsonTime(dateTime)
    20  		return nil
    21  	}
    22  	// 因为实际接收到值是""2018-11-25 20:04:51""格式的，所以这里去除前后各一个"号
    23  	str := string(data[1 : len(data)-1])
    24  	st, err := time.Parse(TimeLayout, str)
    25  	if err == nil {
    26  		*t = JsonTime(st)
    27  	} else {
    28  		return err
    29  	}
    30  	return nil
    31  }
    32  
    33  func (t JsonTime) Value() (driver.Value, error) {
    34  	tm := time.Time(t)
    35  	//return tm.Format(constant.TimeLayout), nil
    36  	return tm, nil
    37  }
    38  
    39  func (t *JsonTime) Scan(value interface{}) error {
    40  	if value == nil {
    41  		return nil
    42  	}
    43  	switch st := value.(type) {
    44  	case time.Time:
    45  		*t = JsonTime(st)
    46  	case string:
    47  		tm, err := time.Parse(TimeLayout, st)
    48  		if err != nil {
    49  			return err
    50  		}
    51  		*t = JsonTime(tm)
    52  	}
    53  	return nil
    54  }