文件上传

添加依赖

<!-- 文件上传组件 -->
<dependency>
    <groupId>commons-fileupload</groupId>
    <artifactId>commons-fileupload</artifactId>
    <version>1.3.1</version>
</dependency>

配置文件中

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

控制器

@Controller
@RequestMapping("/file")
public class FileUploadController {

    @RequestMapping("/page")
    public String page() {
        return "fileUpload";
    }

    @RequestMapping("/upload")
    public String upload(@RequestParam("file") MultipartFile multipartFile)
            throws Exception {
        if (multipartFile != null) {
            // multipartFile.getOriginalFilename() 获取文件的原始名称
            multipartFile.transferTo(new File("C:\tmp\"+ multipartFile.getOriginalFilename()));
        }
        return "redirect:/html/success.html"; // 重定向跳转
    }

}

页面

<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>