upload限制条件优化

src/views/systemManagement/components/upload.vue

@@ -69,7 +69,7 @@ export default {
             let arr = ["xls", "xlsx"];
             let i = file.name.lastIndexOf(".");
 
-            if (!arr.includes(file.name.slice(i + 1))) {
+            if (!arr.includes(file.name.slice(i + 1).toLowerCase())) {
                 this.$message.warning("请上传以xlsx、xls为后缀名的Excel文件");
                 return false;
             }

src/views/systemManagement/components/uploadVM.vue

@@ -76,7 +76,7 @@ export default {
             // .jpg,.jpeg,.png,.gif,.bmp,.JPG,.JPEG,.PNG,.GIF,.BMP
             let arr = ["jpg", "jpeg", "png", "gif", "bmp"];
             let i = file.name.lastIndexOf(".");
-            if (!arr.includes(file.name.slice(i + 1))) {
+            if (!arr.includes(file.name.slice(i + 1).toLowerCase())) {
                 this.$message.warning("请上传图片");
                 return false;
             }