fix:订单发票调整

utils/pdf/html_to_pdf.go

@@ -3,15 +3,16 @@ package pdf
 import (
 	"encoding/base64"
 	"errors"
-	"github.com/SebastiaanKlippert/go-wkhtmltopdf"
 	"strings"
+
+	"github.com/SebastiaanKlippert/go-wkhtmltopdf"
 )
 
 /*
 html转 Pdf
 outFile为空则不保存(使用该方法需要安装工具 sudo apt-get install wkhtmltopdf)
 */
-func HtmlToPdfBase64(content string, dataType string, outFile ...string) (string, error) {
+func HtmlToPdfBase64(content string, dataType string, pageSize string, outFile ...string) (string, error) {
 	pdfg, err := wkhtmltopdf.NewPDFGenerator()
 	if err != nil {
 		return "", err
@@ -27,7 +28,7 @@ func HtmlToPdfBase64(content string, dataType string, outFile ...string) (string
 	//模式
 	pdfg.Orientation.Set(wkhtmltopdf.OrientationPortrait)
 	//pdf尺寸默认A4纸
-	pdfg.PageSize.Set(wkhtmltopdf.PageSizeA4)
+	pdfg.PageSize.Set(pageSize)
 	// Create PDF document in memory
 	if err = pdfg.Create(); err != nil {
 		return "", err