Controller
@Controller
@RequestMapping("/file")
public class UploadController {
/**
* 原生文件上传
* @param req
* @return
* @throws Exception
*/
@RequestMapping("/upload1")
public String upload1(HttpServletRequest req) throws Exception {
String realPath = req.getSession().getServletContext().getRealPath("/uploads");
File file = new File(realPath);
if (!file.exists()) {
file.mkdirs();
}
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
List<FileItem> items = upload.parseRequest(req);
for (FileItem item : items) {
if (item.isFormField()) {
//普通表单
} else {
String uuid = UUID.randomUUID().toString().replace("-", "");
String filename = uuid + "_" + item.getName();
item.write(new File(realPath, filename));
item.delete();
}
}
return "success";
}
pom
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.3</version>
</dependency>
JSP
<h3>form表单文件上传</h3>
<form action="/file/upload1" method="post" enctype="multipart/form-data">
<input type="file" name="upload"><br>
<input type="submit" value="提交"/>
</form><br>