试验附件文件上传覆盖原文件修改

src/views/tentative/detect/components/HcDragUpload.vue

@@ -1,7 +1,7 @@
 <template>
     <el-upload class="hc-upload-border" drag :action="action" :headers="getTokenHeader()" :data="uploadData" :accept="accept" :file-list="fileListData"  :disabled="uploadDisabled"
-               :on-preview="uploadPreview"  :on-success="uploadSuccess" :on-exceed="uploadExceed" :on-error="uploadError" :before-upload="beforeUpload"
-               :on-progress="uploadprogress" :limit="1"  ref="upload">
+               :on-preview="uploadPreview"  :on-success="uploadSuccess" :on-exceed="uploadExceed" :on-error="uploadError" :before-upload="beforeUpload" :on-change="onChangeToolFile"
+               :on-progress="uploadprogress"   ref="upload">
         <div class="hc-upload-loading" v-loading="uploadDisabled" :element-loading-text="loadingText">
             <HcIcon name="backup" ui="text-5xl mt-4"/>
             <div class="el-upload__text">拖动文件到这里 或 <em>点击这里选择文件</em> 并上传</div>
@@ -27,7 +27,10 @@ const props = defineProps({
         type: Object,
         default: () => ({})
     },
-  
+    uploadData:{
+      type: Array,
+        default: () => ([])
+  }
 })
 
 //变量
@@ -57,7 +60,7 @@ onMounted(()=> {
 })
 
 //事件
-const emit = defineEmits(['change'])
+const emit = defineEmits(['change','progress','finished'])
 
 //上传前
 const beforeFileNum = ref(0)
@@ -73,14 +76,14 @@ const beforeUpload = async (file) => {
 const upload=ref('')
 //超出限制时
 const uploadExceed = (files) => {
-     
-    window?.$message?.warning('只能上传一个文件，请删除原文件再上传');
-  
-//   const file = files[0] 
-//   file.uid = genFileId()
-//   upload.value.handleStart(file)
 }
+//文件改变
 
+const onChangeToolFile = (files,fileList) => {
+     fileListData.value = [files] 
+     fileList.splice(0, 1)
+        
+}
 //上传中
 const loadingText = ref('上传中...')
 const uploadprogress = () => {