简单的servlet上传文件

boolean multipartContent = ServletFileUpload.isMultipartContent(request);
if (multipartContent==true) {
 ???DiskFileItemFactory fileItemFactory = new DiskFileItemFactory();
 ???ServletFileUpload upload = new ServletFileUpload(fileItemFactory);
 ???upload.setSizeMax(40 * 1024 * 1024);
 ???List<FileItem> fileItemList = upload.parseRequest(request);
 ???for (FileItem fileItem : fileItemList) {
 ???????File file1 = new File("E:\\app\\" + fileItem.getName());
 ???????try {
 ???????????fileItem.write(file1);
 ???????} catch (Exception e) {
 ???????????e.printStackTrace();
 ???????}

 ???}
}
response.sendRedirect("/hello.jsp");


maven配置:

<dependency>
 ?<groupId>commons-fileupload</groupId>
 ?<artifactId>commons-fileupload</artifactId>
 ?<version>1.3.3</version>
</dependency>
<dependency>
 ?<groupId>commons-io</groupId>
 ?<artifactId>commons-io</artifactId>
 ?<version>2.4</version>
</dependency>

 ???????

简单的servlet上传文件

原文地址：https://www.cnblogs.com/shanshen/p/9042430.html