前台使用的是jquery的jquery.uploadify-v2.1.0插件,使用ajax。使用代码如下:
XML/HTML代码
jQuery("#uploadify").uploadify({
'script' : '../imageUpload/upload/' + $("#sortId").val() + '.json',
这句话就是将请求发送到对应的uploadcontroller中,sortId是表示文件所属分类。
看下SpringMVC的使用方法:
在配置文件中添加如下配置:该文件即是SpringMVC对应的DispatcherServlet配置文件
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding" value="utf-8"></property>
</bean>
一开始使用如下的方法上传:
Java代码
@RequestMapping(method = RequestMethod.POST, params = "action=upload")
public String upload(ModelMap model, MultipartFile uploadify,BindingResult result) {
}
结果报错了:
org.springframework.beans.BeanInstantiationException: Could not instantiate bean class
[org.springframework.web.multipart.MultipartFile]: Specified class is an interface
无法实例化,不知道是什么原因,对Spring不太熟悉,只能尝试用其他方式来实现了。
后来改成下面这种实现了:
@RequestMapping(value = "/upload" + SORTID_BINDER_PATH, method = RequestMethod.POST)
public void upload(HttpServletRequest request, HttpServletResponse response, @PathVariable java.lang.Integer sortId) {
CommonsMultipartResolver commonsMultipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());
commonsMultipartResolver.setDefaultEncoding("utf-8");
if (commonsMultipartResolver.isMultipart(request)) {
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
Iterator<String> iter = multipartRequest.getFileNames();
while (iter.hasNext()) {
MultipartFile file = multipartRequest.getFile((String) iter.next());
if (file != null) {
String fileName = "";
fileName = sdf.format(new Date()) + "_" + file.getOriginalFilename();
String path = filePath + fileName;
uploadPath += fileName;
//重点就是这两句
File localFile = new File(path);
file.transferTo(localFile);
}
}
}
希望大家有好的方法提出来,一起学习。
本文转自06peng 51CTO博客,原文链接:http://blog.51cto.com/06peng/963471,如需转载请自行联系原作者