页面代码
<el-upload
:auto-upload="false"
multiple
class="upload-demo"
:action="#"
:on-change="uploadChange"
:before-remove="beforeRemove"
:on-remove="upLoadRemove"
:on-preview="downLoadFile"
:file-list="fileList">
<el-button size="small" icon="el-icon-plus" slot="trigger">选取附件</el-button>
<el-button style="margin-left: 10px" size="small" icon="el-icon-upload" type="success" @click="submitUpload" :disabled="fileList.length <= 0">上传到服务器</el-button>
</el-upload>
方法
beforeRemove(file, fileList) {
return this.$confirm(`确定移除 ${file.name}?`)
},
// 移除附件
upLoadRemove(file, fileList) {
let tempFileList = []
for (var index = 0; index < this.fileList.length; index++) {
if (this.fileList[index].name !== file.name) {
tempFileList.push(this.fileList[index])
}
}
this.fileList = tempFileList
},
// 监控上传文件列表
uploadChange(file, fileList) {
let existFile = fileList.slice(0, fileList.length - 1).find(f => f.name === file.name);
if (existFile) {
this.$message.error('当前文件已经存在!');
fileList.pop();
}
this.fileList = fileList;
},
// 上传到服务器
submitUpload() {
let formData = new FormData()
this.fileList.forEach(item => {
formData.append('files', item.raw)
})
request({
url: '/detection/file/upload',
method: 'post',
data: formData
}).then((data) => {
if (data && data.code === 0) {
// 消息提示
this.$message({
message: '文件上传成功',
type: 'success',
duration: 1500
})
} else {
this.$message.error(data.msg)
}
})
},
// 点击文件进行下载
downLoadFile(file) {
var a = document.createElement('a');
var event = new MouseEvent('click');
a.download = file.name;
a.href = file.url;
a.dispatchEvent(event);
}
springboot代码
@RequestMapping(value = "/upload", method = RequestMethod.POST)
public Results upload(@RequestParam("files") MultipartFile[] files) throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
String date = sdf.format(new Date());
String fileName = null;
String filePath = null;
List<File> fileList = new ArrayList<>();
File tmp = null;
for(MultipartFile file : files){
fileName = file.getOriginalFilename();
InputStream fileIo = file.getInputStream();
String fileType = fileName.substring(fileName.lastIndexOf(".") + 1);
//保存到minio
String minioName = UUID.randomUUID().toString().replace("-", "");
filePath = "/"+date+"/" + minioName + "." + fileType;
//udt是桶的名字
// minioTemplate.saveObject(MinioTemplate.MINIO_BUCKET, filePath, fileIo, file.getContentType());
tmp = new File();
tmp.setFileName(fileName);
tmp.setFilePath("/" + MinioTemplate.MINIO_BUCKET + filePath);
tmp.setFileSize(String.valueOf(file.getSize()));
tmp.setMimeType(file.getContentType());
fileList.add(tmp);
}
return Results.ok("文件上传成功").put("fileList", fileList);
}