feat: convert to module

ready to be imported and used

exceltostruct.go

@@ -0,0 +1,63 @@
+package exceltostruct
+
+import (
+	"github.com/xuri/excelize/v2"
+	"reflect"
+	"strconv"
+)
+
+func convert[T any](bookPath, sheetName string) (dataExcel []T) {
+	f, _ := excelize.OpenFile(bookPath)
+	rows, _ := f.GetRows(sheetName)
+
+	firstRow := map[string]int{}
+
+	for i, row := range rows[0] {
+		firstRow[row] = i
+	}
+
+	t := new(T)
+	dataExcel = make([]T, 0, len(rows)-1)
+
+	for _, row := range rows[1:3] {
+		v := reflect.ValueOf(t)
+		if v.Kind() == reflect.Pointer {
+			v = v.Elem()
+		}
+
+		for i := 0; i < v.NumField(); i++ {
+			tag := v.Type().Field(i).Tag.Get("xlsx")
+			objType := v.Field(i).Type().String()
+
+			if j, ok := firstRow[tag]; ok {
+				field := v.Field(i)
+				if len(row) > j {
+					d := row[j]
+					elementConverted := convertType(objType, d)
+					field.Set(reflect.ValueOf(elementConverted))
+				}
+			}
+		}
+
+		dataExcel = append(dataExcel, *t)
+	}
+
+	return dataExcel
+}
+
+func convertType(objType string, value string) any {
+	switch objType {
+	case "int":
+		valueInt, _ := strconv.Atoi(value)
+		return valueInt
+	case "bool":
+		valueBool, _ := strconv.ParseBool(value)
+		return valueBool
+	case "float32":
+		valueFloat, _ := strconv.ParseFloat(value, 32)
+		return float32(valueFloat)
+	case "string":
+		return value
+	}
+	return value
+}