SpringMVC之文件上传

<bean id="multipartResolver"
    class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <property name="maxUploadSize" value="102400000" />
    <property name="maxInMemorySize" value="4096" />
    <property name="defaultEncoding" value="utf-8" />
</bean>

@RequestMapping("test8")
public String test8(MultipartFile file, HttpSession session) throws IOException {
    // 获取文件名
    String filename = file.getOriginalFilename();
    // 获取存储上传文件的路径
    String path = session.getServletContext().getRealPath("/WEB-INFO/upload");
    // 判断该路径是否存在
    File f = new File(path);
    if (!f.exists()) {
        f.mkdirs();
    }
    // 创建目标文件
    File descFile = new File(path, filename);
    // 将源文件上传到目标文件
    file.transferTo(descFile);
    return SUCCESS;
}