文件上传

1 <!-- 文件上传组件 -->
2 <dependency>
3     <groupId>commons-fileupload</groupId>
4     <artifactId>commons-fileupload</artifactId>
5     <version>1.3.1</version>
6 </dependency>

1 <!-- 定义文件上传解析器 -->
2     <bean id="multipartResolver"
3         class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
4         <!-- 设定默认编码 -->
5         <property name="defaultEncoding" value="UTF-8"></property>
6         <!-- 设定文件上传的最大值5MB，5*1024*1024 -->
7         <property name="maxUploadSize" value="5242880"></property>
8     </bean>

 1 @Controller
 2 @RequestMapping("/file")
 3 public class FileUploadController {
 4 
 5     @RequestMapping("/page")
 6     public String page() {
 7         return "fileUpload";
 8     }
 9 
10     @RequestMapping("/upload")
11     public String upload(@RequestParam("file") MultipartFile multipartFile)
12             throws Exception {
13         if (multipartFile != null) {
14             // multipartFile.getOriginalFilename() 获取文件的原始名称
15             multipartFile.transferTo(new File("C:\\tmp\\"+ multipartFile.getOriginalFilename()));
16         }
17         return "redirect:/html/success.html"; // 重定向跳转
18     }
19 
20 }

<form action="/file/upload.do" method="post" enctype="multipart/form-data">
        文件： <input name="file" type="file" /><br />
　　　　 <input type="submit" value=" 提交 " />
</form>