style:图片上传

 <!--
  * @Description:
  * @Autor: renchao
- * @LastEditTime: 2023-07-28 14:59:55
+ * @LastEditTime: 2023-07-31 15:12:08
 -->
 <template>
   <div class="rlPopup">
@@ -223,28 +223,20 @@
       clickImage () {
         this.showViewer = true
       },
-      // 上传
       /**
        * @description: 上传
        * @param {*} file
        * @author: renchao
        */
       beforeUpload (file) {
-        const isJPEG = file.type === 'image/jpeg'
-        const isPNG = file.type === 'image/png'
-        const isJPG = file.type === 'image/jpg'
-        const isGIF = file.type === 'image/gif'
-        const isLt5M = file.size / 1024 / 1024 < 5
-        if (!isJPEG && !isGIF && !isPNG && !isJPG && !isGIF) {
-          this.$message.error('请选择jpeg/png/jpg/bmp/gif格式的图片后重试')
-          this.loading = false
-        }
+        const isLt5M = file.size / 1024 / 1024 < 5;
         if (!isLt5M) {
-          this.$message.error('上传图片大小不能超过 5MB!')
-          this.loading = false
+          this.$message.error('上传图片大小不能超过 5MB!');
+          return false;
         }
-        this.imgHidden = (isJPG || isJPEG || isPNG || isGIF) && isLt5M
-        return this.imgHidden
+
+        // 所有条件满足时返回 true
+        return true;
       },
       /**
        * @description: handleChange
@@ -253,17 +245,25 @@
        * @author: renchao
        */
       async handleChange (file, fileList) {
+        if (!this.beforeUpload(file)) return
         let length = fileList.length;
         this.maxFileLength = Math.max(length, this.maxFileLength)
-        console.log(fileList, this.maxFileLength, 'this.maxFileLength');
         var formData = new FormData();
+        let num = 0
         setTimeout(() => {
           if (this.maxFileLength !== length) {
             return
           }
           fileList.forEach(item => {
+            if (!['image/jpeg', 'image/png', 'image/jpg', 'image/gif'].includes(item.raw.type)) {
+              num++
+            }
             formData.append('file', item.raw)
           })
+          if (num >= 1) {
+            this.$message.error("请选择jpeg/png/jpg/bmp/gif格式的图片后重试")
+            return
+          }
           formData.append("bsmSj", this.previewImg.bsmSj);
           formData.append("bsmSlsq", this.previewImg.bsmSlsq);
           uploadBatch(formData).then((res) => {