在SSM框架中将图片上传到数据库中的实现代码

<dependency>

       <groupId>commons-io</groupId>

       <artifactId>commons-io</artifactId>

       <version> 2.4 </version>

     </dependency>

     <dependency>

       <groupId>commons-io</groupId>

       <artifactId>commons-io</artifactId>

       <version> 1.4 </version>

     </dependency>

     <dependency>

       <groupId>commons-fileupload</groupId>

       <artifactId>commons-fileupload</artifactId>

       <version> 1.3 . 1 </version>

     </dependency>

<meta http-equiv= "Content-Type" content= "multipart/form-data;charset=utf-8" />

enctype= "multipart/form-data"

<label class = "layui-form-label" >请选择上传图片：<input type= "file" name= "pictureFile" class = "layui-upload-file" ></label>

@RequestMapping ( "这里写form表单提交的请求路径" )

   public String shengadd(HttpServletRequest request, Sheng sheng, MultipartFile pictureFile) throws Exception {

     System.out.println( "***" );

     //使用UUID给图片重命名，并去掉四个[-]

     String name = UUID.randomUUID().toString().replaceAll( "-" , "" );

     //获取文件扩展名

     String ext = FilenameUtils.getExtension(pictureFile.getOriginalFilename());

     //设置图片上传路径

     String url = request.getSession().getServletContext().getRealPath( "/statics/img" );

     System.out.println(url); //输出文件名

     //以绝对路径保存重命名后的图片

     pictureFile.transferTo( new File(url + "/" + name + "." + ext));

     //把图片储存路径保存到数据库

     sheng.setImg( "statics/img/" + name + "." + ext);

     userService.riyongadd(sheng);

     return "redirect:/redutime.html" ;

   }

<!-- 定义文件上传解析器 -->

   <bean id= "multipartResolver" class = "org.springframework.web.multipart测试数据mons.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>