fix:上传图片时，函数内部err被覆盖

services/file.go

@@ -6,17 +6,18 @@ import (
 	"eta_gn/eta_api/models"
 	"eta_gn/eta_api/utils"
 	"fmt"
-	"github.com/pdfcpu/pdfcpu/pkg/api"
-	"github.com/pdfcpu/pdfcpu/pkg/font"
-	"github.com/pdfcpu/pdfcpu/pkg/pdfcpu"
-	"github.com/pdfcpu/pdfcpu/pkg/pdfcpu/model"
-	"github.com/pdfcpu/pdfcpu/pkg/pdfcpu/types"
 	"io"
 	"mime/multipart"
 	"os"
 	"os/exec"
 	"strings"
 	"time"
+
+	"github.com/pdfcpu/pdfcpu/pkg/api"
+	"github.com/pdfcpu/pdfcpu/pkg/font"
+	"github.com/pdfcpu/pdfcpu/pkg/pdfcpu"
+	"github.com/pdfcpu/pdfcpu/pkg/pdfcpu/model"
+	"github.com/pdfcpu/pdfcpu/pkg/pdfcpu/types"
 )
 
 // UploadToOssAndFileName 上传到oss并使用这个名称
@@ -121,9 +122,9 @@ func GetResourceUrlBySvgImg(imgData string) (resourceUrl string, err error, errM
 
 	// 删除临时存储的svg文件
 	defer func() {
-		err = os.Remove(fileName)
-		if err != nil {
-			utils.FileLog.Info("删除临时存储的svg文件失败, err: " + err.Error())
+		tmpErr := os.Remove(fileName)
+		if tmpErr != nil {
+			utils.FileLog.Info("删除临时存储的svg文件失败, err: " + tmpErr.Error())
 		}
 	}()
 	outFileName = randStr + ".png"
@@ -143,9 +144,9 @@ func GetResourceUrlBySvgImg(imgData string) (resourceUrl string, err error, errM
 		doneChannel <- true
 	}()
 	defer func() {
-		_ = os.Remove(outFileName)
-		if err != nil {
-			utils.FileLog.Info("删除生产的图片文件失败, err: " + err.Error())
+		tmpErr := os.Remove(outFileName)
+		if tmpErr != nil {
+			utils.FileLog.Info("删除生产的图片文件失败, err: " + tmpErr.Error())
 		}
 	}()