go get "github.com/xuri/excelize/v2"

// 寫入數(shù)據(jù)到export/*.xlsx
// datas: map[sheet]每個(gè)sheet頁(yè)的數(shù)據(jù)
// return: 文件名, error
func WriteExcel(datas map[string][][]string) (string, error) {
	file := excelize.NewFile()
	for sheetName, data := range datas {
		index, _ := file.NewSheet(sheetName)
		for i, row := range data {
			for j, val := range row {
				// 列行數(shù)字索引轉(zhuǎn)excel坐標(biāo)索引
				cellName, _ := excelize.CoordinatesToCellName(j+1, i+1)
				//fmt.Println("cellName:", cellName)
				// 設(shè)置，寫入
				file.SetCellValue(sheetName, cellName, val)
			}
		}
		// 創(chuàng)建表格
		file.SetActiveSheet(index)
	}
	filename := "aaa" + ".xlsx"
	_, err := os.ReadDir("aaa/")
	if err != nil {
		// 不存在就創(chuàng)建
		err = os.MkdirAll("aaa/", fs.ModePerm)
		if err != nil {
			fmt.Println(err)
		}
	}
	// 刪除默認(rèn)工作表
	file.DeleteSheet("Sheet1")
	err = file.SaveAs("aaa/" + filename)
	if err != nil {
		return "", err
	}
	return filename, nil
}
func main() {
	datas := make(map[string][][]string)
	datas["xxx"] = [][]string{{"A1", "B1", "C1", "d1", "E1", "G1", "H1", "I1"}, {"A2", "B2", "C2"}, {"A3", "B3", "C3"}}
	datas["yyy"] = [][]string{{"X1", "Y1", "Z1"}, {"X2", "Y2", "Z2"}, {"X3", "Y3", "Z3"}}
	fileName, err := WriteExcel(datas)
	if err != nil {
		fmt.Println("Write excel error: ", err)
		return
	}
	fmt.Println("Write excel success, file name is: ", fileName)

func WriteExcelValidation(datas map[string][][]string, validations map[string][]string) (string, error) {
	file := excelize.NewFile()
	for sheetName, data := range datas {
		// 創(chuàng)建sheet
		index, _ := file.NewSheet(sheetName)
		// 有效性校驗(yàn)
		for col, validation := range validations {
			dv := excelize.NewDataValidation(true)
			dv.SetSqref(col + "2:" + col + "1048576")
			err := dv.SetDropList(validation)
			if err != nil {
				return "", err
			}
			file.AddDataValidation(sheetName, dv)
		}
		for i, row := range data {
			for j, val := range row {
				// 列行數(shù)字索引轉(zhuǎn)excel坐標(biāo)索引
				cellName, _ := excelize.CoordinatesToCellName(j+1, i+1)
				// 設(shè)置，寫入
				file.SetCellValue(sheetName, cellName, val)
			}
		}
		// 創(chuàng)建表格
		file.SetActiveSheet(index)
	}
	filename := "bbb" + ".xlsx"
	// 創(chuàng)建目錄
	_, err := os.ReadDir("aaa/")
	if err != nil {
		// 不存在就創(chuàng)建
		err = os.MkdirAll("aaa/", fs.ModePerm)
		if err != nil {
			return "", err
		}
	}
	file.DeleteSheet("Sheet1")
	err = file.SaveAs("aaa/" + filename)
	if err != nil {
		return "", err
	}
	return filename, nil
}
func main() {
	validations := make(map[string][]string)
	validations["A"] = []string{"a", "aa", "aaa", "aaaa"}
	validations["B"] = []string{"b", "bb"}
	validations["E"] = []string{"c", "cc", "ccc"}
	datas := make(map[string][][]string)
	datas["xxx"] = [][]string{{"A1", "B1", "C1", "d1", "E1", "G1", "H1", "I1"}, {"A2", "B2", "C2"}, {"A3", "B3", "C3"}}
	datas["yyy"] = [][]string{{"X1", "Y1", "Z1"}, {"X2", "Y2", "Z2"}, {"X3", "Y3", "Z3"}}
	fileName, err := WriteExcelValidation(datas, validations)
	if err != nil {
		fmt.Println("Write excel error: ", err)
		return
	}
	fmt.Println("Write excel success, file name is: ", fileName)
}