/** * 添加附件 * {"attachType":null,"attachName":"intel_ICS_Dx32.exe","result":"Y","attachGroupId":281,"attachId":345,"attachSize":"7.42 * MB"} * * @author 何道军 * @date 2011-1-7 * @return String */ public String addAttach() { Map<String, Object> attachMap = new HashMap<String, Object>(); if (uploadAttach == null) { attachMap.put("success", false); attachMap.put("result", "添加失败。"); JsonUtil.outJson(attachMap); return null; } if (uploadAttach.length() == 0) { attachMap.put("success", false); attachMap.put("result", "添加失败:不能上传大小为0 KB的文件。"); JsonUtil.outJson(attachMap); return null; } if (maximumSize != null && maximumSize > 0 && maximumSize < uploadAttach.length()) { attachMap.put("success", false); attachMap.put( "result", "添加失败:文件大小不能超过 " + FormatUnitsUtil.formatBytes(maximumSize) + "。当前文件大小为:" + FormatUnitsUtil.formatBytes(uploadAttach.length())); JsonUtil.outJson(attachMap); return null; } if (StringUtils.isNotBlank(allowedExtensions) && !allowedExtensions.contains(FileUtil.getFileExp(uploadAttachFileName))) { attachMap.put("success", false); attachMap.put("result", "添加失败:只能上传后缀名为:" + allowedExtensions + "的文件。"); JsonUtil.outJson(attachMap); return null; } try { if (attachGroupId != 0) { attachGroup = attachGroupService.getAttachGroup(attachGroupId); if (attachGroup == null) { attachMap.put("success", false); attachMap.put( "result", "系统错误:更新的附件组ID:" + attachGroupId + "不存在,如果要重新生成附件组ID,请设置附件组ID为空或0!"); JsonUtil.outJson(attachMap); return null; } } else { attachGroup = new AttachGroup(); attachGroup.setStatus(STATUS_NOT_DELETE); attachGroup.setSubmitDate(new Date()); attachGroupService.saveAttachGroup(attachGroup); } dealSavePath(); attach = new Attach(); attach.setStatus(STATUS_NOT_DELETE); attach.setAttachName(uploadAttachFileName); attach.setAttachType(attachType); String attachURL = FileUtil.upload(uploadAttach, uploadAttachFileName, savePath); attach.setAttachUrl(attachURL); attach.setAttachGroup(attachGroup); attach.setSubmitDate(new Date()); attach.setFileSize(FormatUnitsUtil.formatBytes(uploadAttach.length())); attach.setDownloadTime(0); attachService.saveAttach(attach); attachMap.put("attachGroupId", attachGroup.getAttachGroupId()); attachMap.put("attachName", attach.getAttachName()); attachMap.put("attachId", attach.getAttachId()); attachMap.put("attachType", attach.getAttachType()); attachMap.put("fileSize", attach.getFileSize()); attachMap.put("success", true); } catch (Exception e) { attachMap.put("success", false); attachMap.put("result", "添加失败:" + e.getMessage()); e.printStackTrace(); } JsonUtil.outJson(attachMap); return null; }