factory.setSizeThreshold(10 * 1096 );//将文件保存在内存还是磁盘临时文件夹的默认临界值，值为10240，即10kb
ServletFileUpload sfu=new ServletFileUpload(factory);//创建处理工具
sfu.setSizeMax(10*1024*1024);//服务器端可以接收的最大文件大小，-1表示无上限
String fileName=null;
try {
List<FileItem> list=sfu.parseRequest(request);//解析
if(list.size()<1){
return;
}
for(int j=0;j<list.size();j++){
FileItem item=list.get(j);
fileName=item.getName();
if(fileName.equals(“”)){
request.getRequestDispatcher(“/com/visualizerPhoto.jsp”).forward(request, response);
return;
}
int pos=fileName.lastIndexOf(“.”);//取图片文件格式
if(pos>0){
Date date=new Date();
fileName=imagePath+date.getTime()+fileName.substring(pos);
}
System.out.println(“item:”+item);
item.write(new File(fileName));//写到磁盘
}
} catch (FileUploadException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
// 13-11-15
public static String getEachDate() {
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DATE, 0);
String yesterday = new SimpleDateFormat(“yyyy-MM-dd “).format(cal
.getTime());
String[] dates = yesterday.split(“-“);
String realDate = dates[0].substring(2, 4) + “-” + dates[1] + “-”
+ dates[2];
return realDate.trim();
}
}
下面是效果图：
