导入相关pom依赖
<dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.3</version> </dependency>springmvc.xml
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <!-- 必须和用户JSP 的pageEncoding属性一致，以便正确解析表单的内容 --> <property name="defaultEncoding" value="UTF-8"></property> <!-- 文件最大大小(字节) 1024*1024*50=50M--> <property name="maxUploadSize" value="52428800"></property> <!--resolveLazily属性启用是为了推迟文件解析，以便捕获文件大小异常--> <property name="resolveLazily" value="true"/> </bean>upload.jsp
<head> <title>springmvc文件上传</title> </head> <body> <form action="/book/upload" enctype="multipart/form-data" method="post"> 请选择文件：<input type="file" name="pengyuxuan"> <input type="submit" value="ok"> </form> </body> @RequestMapping("/upload") public String upload(HttpServletRequest req, MultipartFile chenkang){ String fileName = pengyuxuan.getOriginalFilename(); String contenType = pengyuxuan.getContentType(); try { FileUtils.copyInputStreamToFile(pengyuxuan.getInputStream(),new File("D:/英雄时刻/"+fileName)); } catch (IOException e) { e.printStackTrace(); } return "redirect:/book/list"; }可以在IDEA中添加硬盘与tomcat网络请求的映射 结果：
