protected void attachmentDownload(T entity, String attachmentId) {
try {
AttachmentFileService attachmentFileService =
SpringContextHolder.getBean(AttachmentFileService.class);
AttachmentFile attachmentFile = attachmentFileService.findOne(attachmentId);
if (attachmentFile != null
&& entity.getId().toString().equals(attachmentFile.getEntityId())
&& entity.getClass().getName().equals(attachmentFile.getEntityClassName())) {
HttpServletResponse response = ServletActionContext.getResponse();
ServletUtils.setFileDownloadHeader(response, attachmentFile.getFileRealName());
response.setContentType(attachmentFile.getFileType());
DynamicConfigService dynamicConfigService =
SpringContextHolder.getBean(DynamicConfigService.class);
String rootPath = dynamicConfigService.getFileUploadRootDir();
File diskFile =
new File(
rootPath
+ attachmentFile.getFileRelativePath()
+ File.separator
+ attachmentFile.getDiskFileName());
logger.debug("Downloading attachment file from disk: {}", diskFile.getAbsolutePath());
ServletUtils.renderFileDownload(response, FileUtils.readFileToByteArray(diskFile));
}
} catch (Exception e) {
logger.error("Download file error", e);
}
}
@MetaData(value = "保存")
protected HttpHeaders doSave() {
getEntityService().save(bindingEntity);
// 附件关联处理，自动处理以attachment为前缀的参数
if (bindingEntity instanceof AttachmentableEntity) {
Enumeration<?> names = getRequest().getParameterNames();
Set<String> attachmentNames = Sets.newHashSet();
while (names.hasMoreElements()) {
String name = (String) names.nextElement();
if (name.startsWith("_attachment_")) {
attachmentNames.add(name);
}
}
if (attachmentNames.size() > 0) {
AttachmentFileService attachmentFileService =
SpringContextHolder.getBean(AttachmentFileService.class);
for (String attachmentName : attachmentNames) {
String[] attachments = getParameterIds(attachmentName);
attachmentFileService.attachmentBind(
attachments,
bindingEntity,
StringUtils.substringAfter(attachmentName, "_attachment_"));
}
}
}
setModel(OperationResult.buildSuccessResult("数据保存成功", bindingEntity));
return buildDefaultHttpHeaders();
}
protected HttpHeaders attachmentList(T entity, String category) {
HttpServletRequest request = getRequest();
String url = request.getServletPath();
AttachmentFileService attachmentFileService =
SpringContextHolder.getBean(AttachmentFileService.class);
List<AttachmentFile> attachmentFiles =
attachmentFileService.findBy(
entity.getClass().getName(), String.valueOf(entity.getId()), category);
List<Map<String, Object>> filesResponse = Lists.newArrayList();
for (AttachmentFile attachmentFile : attachmentFiles) {
Map<String, Object> dataMap = Maps.newHashMap();
dataMap.put("id", attachmentFile.getId());
dataMap.put("attachmentName", "_attachment_" + attachmentFile.getEntityFileCategory());
dataMap.put("name", attachmentFile.getFileRealName());
dataMap.put("size", FileUtils.byteCountToDisplaySize(attachmentFile.getFileLength()));
dataMap.put(
"url",
getRequest().getContextPath()
+ StringUtils.substringBefore(url, "!attachmentList")
+ "!attachmentDownload?id="
+ entity.getId()
+ "&attachmentId="
+ attachmentFile.getId());
filesResponse.add(dataMap);
}
Map<String, List<Map<String, Object>>> response = Maps.newHashMap();
response.put("files", filesResponse);
setModel(response);
return buildDefaultHttpHeaders();
}
@Override
@MetaData(value = "创建")
public HttpHeaders doCreate() {
String templateFileId = this.getParameter("templateFileId");
if (StringUtils.isNotBlank(templateFileId)) {
bindingEntity.setTemplateFile(attachmentFileService.findOne(templateFileId));
}
return super.doCreate();
}