fix bug

src/views/business/project-apply.vue

@@ -78,7 +78,7 @@
         >
           {{ operation.label }}
         </el-link>
-        <el-link type="primary" v-if="canDelete(row)" @click="rowDel(row)"> 删除 </el-link>
+        <el-link type="danger" v-if="canDelete(row)" @click="rowDel(row)"> 删除 </el-link>
       </template>
     </avue-crud>
 
@@ -481,7 +481,13 @@
             show-icon
             :title="`缺少必需材料：${missingRequiredAttachmentTypes.join('、')}`"
           />
-          <el-table :data="attachmentRows" border class="project-apply-form__material-table">
+          <el-table
+            :data="attachmentRows"
+            border
+            class="project-apply-form__material-table"
+            @selection-change="handleAttachmentSelectionChange"
+          >
+            <el-table-column type="selection" width="55" align="center" />
             <el-table-column type="index" label="序号" width="80" align="center" />
             <el-table-column label="附件类型" min-width="160" align="center">
               <template #default="{ row }">
@@ -515,7 +521,7 @@
             <el-table-column label="操作" width="110" align="center">
               <template #default="{ row, $index }">
                 <el-link type="primary" @click="downloadAttachment(row)">下载</el-link>
-                <el-link v-if="!dialogReadonly" type="primary" @click="removeAttachment($index)"
+                <el-link v-if="!dialogReadonly" type="danger" @click="removeAttachment($index)"
                   >删除</el-link
                 >
               </template>
@@ -910,11 +916,9 @@ export default {
           },
         ],
         changeContent: [
-          { required: true, message: '请输入变更内容', trigger: 'blur' },
           { max: 2000, message: '变更内容不能超过2000个字符', trigger: 'blur' },
         ],
         changeReason: [
-          { required: true, message: '请输入变更原因', trigger: 'blur' },
           { max: 2000, message: '变更原因不能超过2000个字符', trigger: 'blur' },
         ],
       },
@@ -937,6 +941,7 @@ export default {
       customerRows: [],
       carrierRows: [],
       attachmentRows: [],
+      selectedAttachmentRows: [],
       attachmentFileTypes: [
         'pdf',
         'bmp',
@@ -1285,6 +1290,7 @@ export default {
       this.customerRows = [];
       this.carrierRows = [];
       this.attachmentRows = [];
+      this.selectedAttachmentRows = [];
       this.changeRows = [];
       this.selectedCustomerId = [];
       this.selectedCarrierIds = [];
@@ -1324,6 +1330,7 @@ export default {
       this.customerRows = customerRows;
       this.carrierRows = carrierRows;
       this.attachmentRows = this.parseJsonArray(displayRow.attachmentsJson);
+      this.selectedAttachmentRows = [];
       this.changeRows = this.buildChangeRows(displayRow);
       this.selectedCustomerId = this.customerRows
         .map(item => this.getCustomerRowId(item))
@@ -1791,6 +1798,10 @@ export default {
         uploadUserName: item.uploadUserName || userName,
         uploadTime: item.uploadTime || uploadTime,
       }));
+      this.selectedAttachmentRows = [];
+    },
+    handleAttachmentSelectionChange(rows) {
+      this.selectedAttachmentRows = rows || [];
     },
     removeAttachment(index) {
       this.attachmentRows.splice(index, 1);
@@ -1811,7 +1822,10 @@ export default {
       downloadFileByUrl(url, row.originalName || row.name || '附件');
     },
     handleBatchDownload() {
-      this.attachmentRows.forEach(row => this.downloadAttachment(row));
+      const rows = this.selectedAttachmentRows.length
+        ? this.selectedAttachmentRows
+        : this.attachmentRows;
+      rows.forEach(row => this.downloadAttachment(row));
     },
     handleChangeRecordAction() {
       this.$message.info('变更记录详情由后端明细能力生成后展示');