/**
* 加载单个功能信息
*
* @return
*/
public String edit() {
// 刷新系统菜单
refreshPageData();
category = new CategoryVO();
try {
if (null != id && !"".equals(id.trim())) {
Category categoryDB = categoryService.getCategoryById(Long.parseLong(id));
category.setId(categoryDB.getId());
category.setName(categoryDB.getName());
category.setPicPath(categoryDB.getPicPath());
category.setName(categoryDB.getName());
} else {
this.setMessage("ERROR");
return ERROR;
}
} catch (CategoryNotFoundException e) {
this.setMessage(e.getMessage());
return ERROR;
}
return SUCCESS;
}
/**
* 上传图片
*
* @return
* @throws Exception
*/
public String uploadImage() {
// 得到当前时间自1970年1月1日0时0分0秒开始流逝的毫秒数，将这个毫秒数作为上传文件新的文件名。
long now = new Date().getTime();
// 得到保存上传文件的目录的真实路径
String path = ServletActionContext.getServletContext().getRealPath(uploadDir);
File dir = new File(path);
// 如果这个目录不存在，则创建它。
if (!dir.exists()) {
dir.mkdir();
}
if (null != fileFileName && !"".equals(fileFileName.trim())) {
int index = fileFileName.lastIndexOf('.');
// 判断上传文件名是否有扩展名
if (index != -1) {
newFileName = now + fileFileName.substring(index);
} else {
newFileName = Long.toString(now);
}
this.setNewFileName(newFileName);
BufferedOutputStream bos = null;
BufferedInputStream bis = null;
// 读取保存在临时目录下的上传文件，写入到新的文件中。
try {
FileInputStream fis = new FileInputStream(file);
bis = new BufferedInputStream(fis);
FileOutputStream fos = new FileOutputStream(new File(dir, newFileName));
bos = new BufferedOutputStream(fos);
byte[] buf = new byte[4096];
int len = -1;
while ((len = bis.read(buf)) != -1) {
bos.write(buf, 0, len);
}
} catch (FileNotFoundException e) {
this.setMessage(MessageUtil.getMessage("file_not_found_fxception", fileFileName));
return INPUT;
} catch (IOException e) {
this.setMessage(MessageUtil.getMessage("io_exception", newFileName));
return INPUT;
} finally {
refreshPageData();
try {
if (null != bis) {
bis.close();
}
if (null != bos) {
bos.close();
}
} catch (IOException e) {
this.setMessage(MessageUtil.getMessage("io_exception", newFileName));
return INPUT;
}
}
}
if (null == category) {
category = new CategoryVO();
}
if (null != category) {
category.setName(categoryName);
if (null != categoryId) {
category.setId(categoryId);
setId(categoryId.toString());
}
category.setPicPath("/dish/" + newFileName);
}
this.setMessage(MessageUtil.getMessage("upload_picture_success_msg"));
return SUCCESS;
}