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xlxstransform.go
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xlxstransform.go
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package gotransformer
import (
"fmt"
"reflect"
"strconv"
"time"
"github.com/360EntSecGroup-Skylar/excelize"
)
type XlxsTransform struct {
OutputObj interface{}
Title map[string]string
Row []string
ExcelName string
File *excelize.File
TimeFormat string
}
func NewXlxsTransform(outObj interface{}, title map[string]string, row []string, excelName, timeFormat string, file *excelize.File) *XlxsTransform {
return &XlxsTransform{
OutputObj: outObj,
Title: title,
Row: row,
ExcelName: excelName,
File: file,
TimeFormat: timeFormat,
}
}
//
//func (t *XlxsTransform) GetOutputValue() reflect.Value {
// return reflect.ValueOf(t.OutputObj)
//}
//
//func (t *XlxsTransform) GetOutputValueKind() reflect.Kind {
// return t.GetOutputValue().Kind()
//}
//
//func (t *XlxsTransform) GetOutputValueElem() reflect.Value {
// return reflect.ValueOf(t.OutputObj).Elem()
//}
//
//func (t *XlxsTransform) GetOutputValueElemType() reflect.Type {
// return reflect.ValueOf(t.OutputObj).Elem().Type()
//}
//
//func (t *XlxsTransform) GetOutputValueElemField(i int) reflect.Value {
// return reflect.ValueOf(t.OutputObj).Elem().Field(i)
//}
//
//func (t *XlxsTransform) GetOutputValueElemTypeField(i int) reflect.StructField {
// return reflect.ValueOf(t.OutputObj).Elem().Type().Field(i)
//}
func (t *XlxsTransform) XlxsTransformer() error {
for i := 0; i < GetValueElem(t.OutputObj).NumField(); i++ {
of := GetValueElemField(t.OutputObj, i)
otf := GetValueElemTypeField(t.OutputObj, i)
for _, iw := range t.Title {
if iw == otf.Name {
err, rI := t.isExists(iw)
if err != nil {
return err
}
if rI != -1 && rI <= len(t.Row) {
switch of.Kind() {
case reflect.String:
of.SetString(t.Row[rI])
case reflect.Slice:
// reflect.Copy(cf, t.Row[rI])
case reflect.Bool:
// cf.SetBool(t.Row[rI])
case reflect.Float64, reflect.Float32:
float, _ := strconv.ParseFloat(t.Row[rI], 64)
of.SetFloat(float)
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
atob, _ := strconv.Atoi(t.Row[rI])
of.SetInt(int64(atob))
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
// cf.SetUint()
case reflect.Struct:
if otf.Type.Name() == "Time" {
if len(t.Row[rI]) > 0 {
objV, err := t.parseTime(t.Row[rI])
if err != nil {
fmt.Printf("Parse:%v,%v,%v \n", err, t.Row[rI], otf.Name)
}
of.Set(reflect.ValueOf(objV))
}
}
default:
fmt.Printf("数据类型错误:%v \n", otf.Name)
}
} else {
continue
}
}
}
}
return nil
}
// get excel cell data
func (t *XlxsTransform) XlxsCellTransformer() error {
for i := 0; i < GetValueElem(t.OutputObj).NumField(); i++ {
of := GetValueElemField(t.OutputObj, i)
otf := GetValueElemTypeField(t.OutputObj, i)
for iw, v := range t.Title {
if iw == otf.Name {
cell := t.GetExcelCell(v)
switch of.Kind() {
case reflect.String:
of.SetString(cell)
case reflect.Float64:
if len(cell) > 0 {
objV, err := strconv.ParseFloat(cell, 64)
if err != nil {
fmt.Printf("Parse:%v,%v,%v \n", err, cell, otf.Name)
}
of.SetFloat(objV)
}
case reflect.Int8:
if len(cell) > 0 {
objV, err := strconv.Atoi(cell)
if err != nil {
fmt.Printf("Parse:%v,%v,%v \n", err, cell, otf.Name)
}
of.SetInt(int64(objV))
}
case reflect.Uint64:
reflect.ValueOf(cell)
objV, err := strconv.ParseUint(v, 0, 64)
if err != nil {
fmt.Printf("Parse:%v,%v,%v \n", err, cell, otf.Name)
}
of.SetUint(objV)
case reflect.Struct:
if otf.Type.Name() == "Time" {
if len(cell) > 0 {
objV, err := t.parseTime(cell)
if err != nil {
fmt.Printf("Parse:%v,%v,%v \n", err, cell, otf.Name)
}
of.Set(reflect.ValueOf(objV))
}
}
default:
fmt.Printf("未知类型:%v,%v \n", cell, otf.Name)
}
}
}
}
return nil
}
// 格式化时间
func (t *XlxsTransform) parseTime(cell string) (time.Time, error) {
format := "20060102"
if len(t.TimeFormat) > 0 {
format = t.TimeFormat
}
return time.Parse(format, cell)
}
// 导入基础参数 Cell 文件内容
func (t *XlxsTransform) GetExcelCell(axis string) string {
cell := t.File.GetCellValue(t.ExcelName, axis)
return cell
}
// IsExists
func (t *XlxsTransform) isExists(s string) (error, int) {
fv := filipValueString(t.Title)
if _, ok := fv[s]; ok {
i, err := strconv.Atoi(t.Title[s])
if err != nil {
return err, 0
}
return nil, i
} else {
return nil, -1
}
}
// filpValue
func filipValueString(o map[string]string) map[string]string {
for i, v := range o {
o[v] = i
}
return o
}