记述一下步骤以备查。
准备工作：
需要把Jakarta Commons FileUpload及Jakarta Commons io的包放lib里。
我这边的包是：
commons-fileupload-1.1.1.jar
commons-io-1.3.2.jar
然后在spring-servlet.xml进行multipartResolver配置，不配置好上传会不好用。
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="maxUploadSize"><value>100000</value></property><property name="defaultEncoding"><value>UTF-8</value></property> </bean>
接下来就是页面了：
注意Form的写法和文件上传组件的写法。
<form action="uploadPosdetailFile.html" method="post" ENCTYPE="multipart/form-data"><div class="form" ><p><span class="req"><input id="startDateTxt" name="startDateTxt" class="field size4" title="Enter the date" /></span><label>Start Date: <span>(Date format:MM/dd/yyyy,eg:01/01/2014)</span></label></p><p><span class="req"><input id="endDateTxt" name="endDateTxt" class="field size4" title="Enter the date" /></span><label>End Date: <span>(Date format:MM/dd/yyyy,eg:12/25/2014)</span></label></p><p><span class="req"><input type="file" name="uploadFileCtrl" class="field size4" title="Choose the file" /></span><label>Upload file: <span>(click browse to choose)</span></label></p></div><div class="buttons"><input id="queryBtn" type="Submit" class="button" value="Submit" /></div></form>
再在控制器里写处理代码，注意参数和页面控件的对应关系：
@RequestMapping(value="/uploadPosdetailFile")public String uploadPosdetailFile(@RequestParam("startDateTxt") String startDateTxt, @RequestParam("endDateTxt") String endDateTxt,@RequestParam("uploadFileCtrl") MultipartFile file,HttpServletRequest request,HttpServletResponse response){try {System.out.println("@@@@@@@@@1.startDateTxt="+startDateTxt);System.out.println("@@@@@@@@@2.endDateTxt="+endDateTxt);System.out.println("@@@@@@@@@3.file="+file.getOriginalFilename());// 得到上传文件的文件名if(file.isEmpty()==false){InputStream is=file.getInputStream();InputStreamReader isr = new InputStreamReader(is);BufferedReader br=new BufferedReader(isr); String s;while((s=br.readLine())!=null ){System.out.println(s);}br.close();isr.close();is.close();}return "/pages/posdetail/uploadposdetailresult/index.jsp";} catch (Exception e) {e.printStackTrace();logger.error(e);request.setAttribute("error", e.getClass());request.setAttribute("reason", e.getMessage());StackTraceElement[] arr=e.getStackTrace();request.setAttribute("stackTraceElements", arr);return "pages/error/index.jsp";}}
