request.setCharacterEncoding("utf-8");
boolean bRet = false;
boolean bUpload = false;
String uploadFileName = "";
String fieldName = "";
News news = new News();
NewsService newsService = new NewsServiceImpl();
news.setCreateDate(new Date());
//解析请求之前先判断请求类型是否为文件上传类型
boolean isMultipart = ServletFileUpload.isMultipartContent(request);
//指定上传位置
String uploadFilePath = request.getSession().getServletContext().getRealPath("upload/");
File saveDir = new File(uploadFilePath);
//如果目录不存在，就创建目录
if(!saveDir.exists()){
saveDir.mkdir();
}
//判断是否有上传文件，有则是true ,没有就是false
if(isMultipart){
//创建文件上传核心类
FileItemFactory factory = new DiskFileItemFactory(); // 实例化一个硬盘文件工厂,用来配置上传组件ServletFileUpload
ServletFileUpload upload = new ServletFileUpload(factory); // 用以上工厂实例化上传组件
try{
//处理表单请求
List<FileItem> items = upload.parseRequest(request);
Iterator<FileItem> iter = items.iterator();
while(iter.hasNext()){
FileItem item = (FileItem)iter.next();
if(item.isFormField()){// 如果是普通表单控件
fieldName = item.getFieldName();// 获得该字段名称
if(fieldName.equals("title")){
news.setTitle(item.getString("UTF-8"));//获得该字段值
}else if(fieldName.equals("categoryId")){
news.setCategoryId(Integer.parseInt(item.getString()));
}else if(fieldName.equals("summary")){
news.setSummary(item.getString("UTF-8"));
}else if(fieldName.equals("content")){
news.setContent(item.getString("UTF-8"));
}else if(fieldName.equals("author")){
news.setAuthor(item.getString("UTF-8"));
}
}else{// 如果为文件域
String fileName = item.getName();// 获得文件名(全路径)
if(fileName != null && !fileName.equals("")){
File fullFile = new File(fileName);
File saveFile = new File(uploadFilePath,fullFile.getName());//将文件保存到指定的路径
item.write(saveFile);
uploadFileName = fullFile.getName();
news.setPicPath(uploadFileName);
bUpload = true;
}
}
}
}catch(Exception e){
e.printStackTrace();
}
}
System.out.println("上传成功之后的文件名：" + news.getPicPath());
//调用后台的方法，将新闻信息插入数据库中
bRet = newsService.add(news);
if(bRet) {
response.sendRedirect("index.jsp");
}else {
response.sendRedirect("index.jsp");
}