vue+element_ui上传文件,并传递额外参数(转)
原文:https://www.cnblogs.com/zwhbk/p/13359198.html
<el-upload
action="api_ws/api/Contract/AttachmentUpload"
list-type="picture-card"
:limit="1"
:auto-upload="true"
:before-upload="beforeUploadForm"
:http-request="imageChange"
>
<div>上传文件</div>
</el-upload>
// 开始上传前验证
beforeUploadForm (file) {
// 验证文件类型
var testmsg = file.name.substring(file.name.lastIndexOf('.') + 1)
const extension = testmsg === 'jpg' || testmsg === 'png' || testmsg === 'gif'
if (!extension) {
this.$message({
message: '上传文件只能是jpg/png/gif格式!',
duration: 1000,
showClose: true,
type: 'warning'
})
}
return extension
},
// 提交图片
imageChange(param,type){
// console.log(param);
let formData = new FormData()
formData.append('files', param.file)
formData.append("fileId", '文件ID)// 额外参数
thiz.$axios.post('http://localhost:8080/upload/file', formData).then(res => {
// console.log(res);
if (res.IsSuccess) {
this.imgList.push(res.Data.Data)
}
});
// console.log(this.imgList);
},