离线数据上传关闭弹框清空上次上传的文件

src/views/govern/device/control/offLineDataImport/index.vue

@@ -1,6 +1,6 @@
 <!-- 离线数据导入 -->
 <template>
-    <el-dialog v-model="dialogVisible" title="文件列表" width="70%" draggable>
+    <el-dialog  v-model="dialogVisible" title="文件列表" width="70%" :destroy-on-close="true" draggable @closed="close">
         <!-- 上传文件列表 -->
         <div class="offline_data">
             <div class="offline_data_btn">
@@ -34,7 +34,7 @@
                     上传离线数据
                 </el-button>
                 <div>
-                    <el-table :data="offLineFileList" style="width: 100%" height="280" border stripe :key="updateKey">
+                    <el-table v-if="offLineFileList&&offLineFileList.length!=0" :data="offLineFileList" style="width: 100%" height="280" border stripe :key="updateKey">
                         <el-table-column prop="name" label="文件名" align="center"></el-table-column>
                         <el-table-column prop="webkitRelativePath" label="文件地址" align="center"></el-table-column>
                         <el-table-column prop="status" label="状态" align="center" width="250">
@@ -87,7 +87,7 @@ const loading = ref(false)
 const offLineFileList: any = ref([])
 const disableHandleUpload = ref(true)
 //上传离线数据
-const submitUpload = e => {
+const submitUpload = (e:any) => {
     const input = document.createElement('input')
     input.type = 'file'
     input.setAttribute('allowdirs', 'true')
@@ -129,12 +129,9 @@ const handleUpload = () => {
     const subForm = new FormData()
     subForm.append('devId', deviceId.value)
     subForm.append('lineId', lineId.value)
-    // subForm.append('files', offLineFileList.value)
     let webkitRelativePathList: any = []
     offLineFileList.value.map((item: any, index: any) => {
-        // obj.paths.push(item.webkitRelativePath)
         subForm.append(`files[${index}]`, item)
-        // subForm.append(`paths[${index}]`, item.webkitRelativePath)
         webkitRelativePathList.push(item.webkitRelativePath)
     })
     subForm.append('paths', webkitRelativePathList.join(','))
@@ -144,7 +141,6 @@ const handleUpload = () => {
     // 操作数据后更新视图
     updateKey.value += 1
     disableHandleUpload.value = true
-    // return;
     uploadOffLineDataFile(subForm).then(res => {
         if (res.code == 'A0000') {
             offLineFileList.value.map((item: any) => {
@@ -165,6 +161,7 @@ const open = (devId: any, lineIds: any) => {
     dialogVisible.value = true
 }
 const close = () => {
+    offLineFileList.value=[]
     dialogVisible.value = false
 }
 defineExpose({ open })