实现多文件上传CommonsMultipartResolver
2018-05-07 本文已影响23人
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1、在spring配置文件中配置文件上传解析器
<!-- 文件上传解析器 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding" value="utf-8"></property>
<property name="maxUploadSize" value="10485760000"></property><!-- 最大上传文件大小 -->
<property name="maxInMemorySize" value="10960"></property>
</bean>
@Controller
public class FileController{
@RequestMapping("/fileUpload.do")
public String fileUpload(HttpServletRequest request,HttpServletResponse response){
long startTime=System.currentTimeMillis(); //获取开始时间
CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());
if(multipartResolver.isMultipart(request)){ //判断request是否有文件上传
MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest)request;
Iterator<String> ite = multiRequest.getFileNames();
while(ite.hasNext()){
MultipartFile file = multiRequest.getFile(ite.next());
if(file!=null){
File localFile = new File("D:/"+file.getOriginalFilename());
try {
file.transferTo(localFile); //将上传文件写到服务器上指定的文件
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
long endTime=System.currentTimeMillis(); //获取结束时间
System.out.println("上传文件共使用时间:"+(endTime-startTime));
return "success";