package com.spring.controller; import java.io.File; import java.util.Date; import javax.servlet.ServletContext; import org.springframework.stereotype.Controller; 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.context.ServletContextAware; import org.springframework.web.multipart.commons.CommonsMultipartFile; @Controller public class FileUploadController implements ServletContextAware { private ServletContext servletContext; @Override public void setServletContext(ServletContext context) { this.servletContext = context; } //@RequestParam("file")一定要有 @RequestMapping(value="/upload.do") public String handleUploadData(@RequestParam("file") CommonsMultipartFile file){ if (!file.isEmpty()) { //擷取本機存放區路徑 String path = this.servletContext.getRealPath("/uploadFile/"); System.out.println(path); String fileName = file.getOriginalFilename(); String fileType = fileName.substring(fileName.lastIndexOf(".")); System.out.println(fileType); //建立一個檔案 File file2 = new File(path,new Date().getTime() + fileType); try { //將上傳的檔案寫入建立的檔案中 file.getFileItem().write(file2); } catch (Exception e) { e.printStackTrace(); return "redirect:upload_error.jsp"; } return "redirect:upload_ok.jsp"; }else{ return "redirect:upload_error.jsp"; } } } |