1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
|
type Array []string
func (a *Array) UnmarshalJSON(b []byte) error {
arr := []string{} if err := json.Unmarshal(b, &arr); err != nil { return err } *a = Array(arr) return nil }
func (a Array) Value() (driver.Value, error) { if len(a) == 0 { return nil, nil } arr := strings.ReplaceAll(strings.Trim(fmt.Sprint(a), "[]"), " ", ",") return arr, nil }
func (a *Array) Scan(v interface{}) error { value, ok := v.([]uint8) if ok { arr := strings.Split(string(value), ",") *a = Array(arr) return nil } return fmt.Errorf("%v 类型错误 scan失败", reflect.TypeOf(v)) }
func (a *Array) MarshalJSON() ([]byte, error) { b, err := json.Marshal([]string(*a)) if err != nil { return nil, err } if string(b) == "null" { b = []byte(`[]`) } return b, nil }
|