<el-upload
class="upload-demo"
action="http://1:8383/DataVisual/fileUpload" //接口
:data="uploadData" //json 上传需带的参数
:on-preview="handlePreview"
:on-remove="handleRemove"
:before-remove="beforeRemove"
multiple
:limit="3" //限制三条
:on-exceed="handleExceed"
:file-list="fileList"
:before-upload="handelBeforeUpload" //上传前判断文件类型
>
<el-button size="small" type="primary">点击上传</el-button>
</el-upload>
handelBeforeUpload(file) {
console.log(file);
let isImage = file.type === "application/pdf";
if (!isImage) {
this.$message.error("上传文件只能是PDF格式!");
}
return isImage;
},