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field.go
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field.go
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package excel
import (
"strconv"
"time"
)
const (
_dateLayout = "2006-01-02"
)
type Field interface {
// Translate trans a excel cell value (string) to a specific type value
Translate(value string, colIndex int) (interface{}, error)
// ColIndex get a filed col index in excel
ColIndex() int
// GetValue return the original value of the field
GetValue() interface{}
}
type IntField struct {
value int
colIndex int
}
func NewIntField(value int) IntField {
return IntField{value: value}
}
var _ Field = (*IntField)(nil)
func (iField IntField) Translate(value string, colIndex int) (interface{}, error) {
if value == "" {
return IntField{value: 0, colIndex: colIndex}, nil
}
res, err := strconv.Atoi(value)
if err != nil {
return nil, err
}
return IntField{value: res, colIndex: colIndex}, nil
}
func (iField IntField) ColIndex() int {
return iField.colIndex
}
func (iField IntField) GetStdValue() int64 {
return int64(iField.value)
}
func (iField *IntField) SetValue(value int) {
iField.value = value
}
func (iField IntField) GetValue() interface{} {
return iField.value
}
type Int64Field struct {
value int64
colIndex int
}
func NewInt64Field(value int64) Int64Field {
return Int64Field{value: value}
}
var _ Field = (*Int64Field)(nil)
func (iField Int64Field) Translate(value string, colIndex int) (interface{}, error) {
if value == "" {
return Int64Field{value: 0, colIndex: colIndex}, nil
}
res, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return nil, err
}
return Int64Field{value: res, colIndex: colIndex}, nil
}
func (iField Int64Field) ColIndex() int {
return iField.colIndex
}
func (iField Int64Field) GetStdValue() int64 {
return iField.value
}
func (iField *Int64Field) SetValue(value int64) {
iField.value = value
}
func (iField Int64Field) GetValue() interface{} {
return iField.value
}
type StringField struct {
value string
colIndex int
}
func NewStringField(value string) StringField {
return StringField{value: value}
}
var _ Field = (*StringField)(nil)
func (sField StringField) Translate(value string, colIndex int) (interface{}, error) {
return StringField{value: value, colIndex: colIndex}, nil
}
func (sField StringField) ColIndex() int {
return sField.colIndex
}
func (sField StringField) GetStdValue() string {
return sField.value
}
func (sField *StringField) SetValue(value string) {
sField.value = value
}
func (sField StringField) GetValue() interface{} {
return sField.value
}
type TimeField struct {
value time.Time
colIndex int
}
func NewTimeField(value time.Time) TimeField {
return TimeField{value: value}
}
var _ Field = (*TimeField)(nil)
func (tField TimeField) Translate(value string, colIndex int) (interface{}, error) {
var (
t time.Time
err error
)
if value == "" {
return TimeField{value: t, colIndex: colIndex}, nil
}
t, err = time.ParseInLocation(_dateLayout, value, time.Local)
if err != nil {
return nil, err
}
return TimeField{value: t, colIndex: colIndex}, nil
}
func (tField TimeField) ColIndex() int {
return tField.colIndex
}
func (tField TimeField) GetStdValue() time.Time {
return tField.value
}
func (tField *TimeField) SetValue(value time.Time) {
tField.value = value
}
func (tField TimeField) GetValue() interface{} {
return tField.value
}
type FloatField struct {
value float64
colIndex int
}
func NewFloatField(value float64) FloatField {
return FloatField{value: value}
}
var _ Field = (*FloatField)(nil)
func (fField FloatField) Translate(value string, colIndex int) (interface{}, error) {
if value == "" {
return FloatField{0, colIndex}, nil
}
res, err := strconv.ParseFloat(value, 64)
if err != nil {
return nil, err
}
return FloatField{value: res, colIndex: colIndex}, nil
}
func (fField FloatField) ColIndex() int {
return fField.colIndex
}
func (fField FloatField) GetStdValue() float64 {
return fField.value
}
func (fField *FloatField) SetValue(value float64) {
fField.value = value
}
func (fField FloatField) GetValue() interface{} {
return fField.value
}
type BoolField struct {
value bool
colIndex int
}
func NewBoolField(value bool) BoolField {
return BoolField{value: value}
}
var _ Field = (*BoolField)(nil)
func (bField BoolField) Translate(value string, colIndex int) (interface{}, error) {
if value == "" {
return BoolField{false, colIndex}, nil
}
var res bool
if value == "是" {
res = true
}
return BoolField{res, colIndex}, nil
}
func (bField BoolField) ColIndex() int {
return bField.colIndex
}
func (bField BoolField) GetStdValue() bool {
return bField.value
}
func (bField *BoolField) SetValue(value bool) {
bField.value = value
}
func (bField BoolField) GetValue() interface{} {
return bField.value
}