70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
package global
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import (
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"database/sql/driver"
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"errors"
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"fmt"
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"gorm.io/gorm"
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"strings"
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"time"
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)
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type GLOBAL_MODEL struct {
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ID uint `gorm:"primarykey"` // 主键ID
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CreatedAt FormatTime // 创建时间
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UpdatedAt FormatTime // 更新时间
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DeletedAt gorm.DeletedAt `gorm:"index" json:"-"` // 删除时间
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}
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//FormatTime 自定义时间
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type FormatTime struct {
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time.Time
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}
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const timeLayout = "2006-01-02 15:04:05"
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func (t *FormatTime) UnmarshalJSON(data []byte) error {
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if string(data) == "null" {
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return nil
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}
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var err error
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//前端接收的时间字符串
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str := string(data)
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//去除接收的str收尾多余的"
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timeStr := strings.Trim(str, "\"")
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t1, err := time.Parse(timeLayout, timeStr)
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*t = FormatTime{t1}
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return err
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}
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func (t FormatTime) MarshalJSON() ([]byte, error) {
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formatted := fmt.Sprintf("\"%v\"", t.Time.Format(timeLayout))
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return []byte(formatted), nil
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}
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func (t FormatTime) Value() (driver.Value, error) {
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// FormatTime 转换成 time.Time 类型
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var zeroTime time.Time
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if t.Time.UnixNano() == zeroTime.UnixNano() {
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return nil, nil
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}
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return t.Time.Format(timeLayout), nil
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}
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func (t *FormatTime) Scan(v interface{}) error {
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switch vt := v.(type) {
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case time.Time:
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// 字符串转成 time.Time 类型
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*t = FormatTime{vt}
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default:
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return errors.New("类型处理错误")
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}
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return nil
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}
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func (t *FormatTime) String() string {
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return t.Time.Format(timeLayout)
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}
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