图片的上传

jsp:<script src="../..//platform/js/layer/layer.js"></script><script src="../../platform/js/ajax/ajaxfileupload.js"></script><script type="text/javascript">$(function() {//上传图片 ???$("#cmsArticleImageFile").change(function() { ???????var cmsArticleImageFile = $("#cmsArticleImageFile").val(); ???????if (cmsArticleImageFile == null || cmsArticleImageFile == "") { ???????????layer.tips(‘请选择图片！‘, ‘#mybutton‘, {tips : 3}); ???????} else { ???????????$.ajaxFileUpload({ ???????????????type : ‘POST‘, ???????????????url : ‘imageUpload.do‘, //用于文件上传的服务器端请求地址 ???????????????secureuri : false, //是否需要安全协议，一般设置为false ???????????????fileElementId : ‘cmsArticleImageFile‘, //文件上传域的ID ???????????????data : { ???????????????????"folderType" : ‘yaoWen‘ ???????????????}, ???????????????dataType : ‘json‘, //返回值类型 一般设置为json ???????????????success : function(result, status) {//服务器成功响应处理函数 ???????????????????if (result.code == "ok") { ???????????????????????$(‘#cmsArticleImageFileSrc‘).prop(‘src‘,result.data.filePath); ???????????????????????$(‘#articleImage‘).val(result.data.filePath); ???????????????????} else { ???????????????????????layer.alert(result.msg); ???????????????????} ???????????????} ???????????}); ???????} ???});});</script><td> ???<img id="cmsArticleImageFileSrc" style="height: 320px; width: 440px;" class="img-rounded" data-action="zoom" ????<c:if test="${!empty cmsArticle.articleImage}"> src="${cmsArticle.articleImage}" </c:if> ????<c:if test="${empty cmsArticle.articleImage}"> src="${pageContext.request.contextPath}/cms/image/imageNo.jpg" </c:if>> ????<input id="cmsArticleImageFile" name="cmsArticleImageFile" type="file" style="display:none;" accept="image/png, image/jpeg, image/gif, image/jpg" /> ????<input id="articleImage" type="text" name="articleImage" value="${cmsArticle.articleImage}" style="display:none;"/> ????<input id="mybutton" type="button" class="btn btn-info" onclick="$(‘input[id=cmsArticleImageFile]‘).click();" value="浏览并上传"/> </td>controller层：/** ????* @category 封面图片上传 ????* @param request ????* @param response ????*/ ???@RequestMapping(value = "/.../..../imageUpload", method = RequestMethod.POST) ???public void cmsImageUpload(HttpServletRequest request, HttpServletResponse response) { ???????//文件类别 ???????String folderType = request.getParameter("folderType"); ???????try { ???????????//上传图片 ???????????ClientResponse resp = uploadController.uploadAll(request, folderType); ???????????// ???????????resp.writeTo(response); ???????} catch (Exception e) { ???????????e.printStackTrace(); ???????} ???}//调用方法： ???public ClientResponse uploadAll(HttpServletRequest request, //客户端请求 ???????????String folderType//文件类别 ???) throws Exception { ???????String basePath = "upload/" + folderType + "/"; ???????// 相对路径 ???????String filePath = request.getContextPath() + "/" + basePath; ???????// 绝对路径 ???????String savePath = request.getServletContext().getRealPath("/") + basePath; ???????long startTime = System.currentTimeMillis(); ???????// 将当前上下文初始化给 CommonsMutipartResolver （多部分解析器） ???????CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext()); ???????if (!multipartResolver.isMultipart(request)) { ???????????return ClientResponse.createErrorResult("未找到文件", null); ???????} ???????ClientResponse resp = ClientResponse.createOkResult("ok"); ???????// 检查form中是否有enctype="multipart/form-data" ???????if (multipartResolver.isMultipart(request)) { ???????????// 将request变成多部分request ???????????MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request; ???????????// 获取multiRequest 中所有的文件名 ???????????Iterator<?> iter = multiRequest.getFileNames(); ???????????while (iter.hasNext()) { ???????????????// 一次遍历所有文件 ???????????????MultipartFile multipartFile = multiRequest.getFile(iter.next().toString()); ???????????????if (multipartFile != null) { ???????????????????String originalName = multipartFile.getOriginalFilename(); ???????????????????// 检查扩展名 ???????????????????String fileExt = originalName.substring(originalName.lastIndexOf(".") + 1).toLowerCase(); ???????????????????if (!Arrays.<String> asList(extMap.get("file").split(",")).contains(fileExt)) { ???????????????????????return ClientResponse.createErrorResult("不允许的文件格式,只允许" + extMap.get("image") + "格式。", null); ???????????????????} ???????????????????String newName = new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date()) + "." + fileExt; ???????????????????savePath += newName; ???????????????????filePath += newName; ???????????????????File dirFile = new File(savePath); ???????????????????if (!dirFile.exists()) { ???????????????????????dirFile.mkdirs(); ???????????????????} ???????????????????// 上传 ???????????????????multipartFile.transferTo(dirFile); ???????????????????//源文件名 ???????????????????resp.addData("originalName", originalName); ???????????????????//上传成后文件路径 ???????????????????resp.addData("filePath", filePath); ???????????????} ???????????} ???????} ???????long endTime = System.currentTimeMillis(); ???????logger.println("上传运行时间：" + String.valueOf(endTime - startTime) + "ms"); ???????return resp; ???}