Spring MVC上传文件示例

package com.springmvc.controller; import java.io.File; import java.io.IOException; import java.util.Iterator; import org.apache.commons.io.FileUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.MultipartHttpServletRequest; //url: http://localhost:8080/HelloSpringMVC/hello/mvc @Controller //告诉DispatcherServlet相关的容器， 这是一个Controller， @RequestMapping(value="/hello") //类级别的RequestMapping，告诉DispatcherServlet由这个类负责处理以及URL。HandlerMapping依靠这个标签来工作 public class HelloController { private static Logger log = LoggerFactory.getLogger(HelloController.class); //方法级别的RequestMapping， 限制并缩小了URL路径匹配，同类级别的标签协同工作，最终确定拦截到的URL由那个方法处理 //并指定访问方法为GET @RequestMapping(value="/mvc",method=RequestMethod.GET) public String HelloWorld(Model model){ model.addAttribute("message","Hello Spring MVC!!!"); //传参数给前端 //视图渲染，/WEB-INF/view/HelloWorld.jsp return "HelloWorld"; //页面的名称，根据此字符串会去寻找名为HelloWorld.jsp的页面 } //定位到上传文件界面 /hello/upload @RequestMapping(value="/upload", method=RequestMethod.GET) public String showUploadPage(){ return "uploadFile"; //上传单个文件 } /** * 上传单个文件操作 * @param multi * @return */ @RequestMapping(value="/doUpload", method=RequestMethod.POST) public String doUploadFile(@RequestParam("file") MultipartFile file){ if(!file.isEmpty()){ log.debug("Process file: {}", file.getOriginalFilename()); try { //这里将上传得到的文件保存至 d:\\temp\\file 目录 FileUtils.copyInputStreamToFile(file.getInputStream(), new File("d:\\temp\\file\\", System.currentTimeMillis()+ file.getOriginalFilename())); } catch (IOException e) { e.printStackTrace(); log.error(e.toString()); } } return "success"; } //定位到上传多个文件界面 /hello/uploadMulti @RequestMapping(value="/uploadMulti", method=RequestMethod.GET) public String showUploadPage2(){ return "uploadMultifile"; //view文件夹下的上传多个文件的页面 } /** * 上传多个附件的操作类 * @param multiRequest * @return * @throws IOException */ @RequestMapping(value="/doMultiUpload", method=RequestMethod.POST) public String doUploadFile2(MultipartHttpServletRequest multiRequest) throws IOException{ Iterator<String> filesNames = multiRequest.getFileNames(); while(filesNames.hasNext()){ String fileName =filesNames.next(); MultipartFile file = multiRequest.getFile(fileName); if(!file.isEmpty()){ log.debug("Process file: {}", file.getOriginalFilename()); FileUtils.copyInputStreamToFile(file.getInputStream(), new File("d:\\temp\\file\\", System.currentTimeMillis()+ file.getOriginalFilename())); } } return "success"; } }