uploadfile.java

一、数据库登录名：blog 密码：blog 二、首页应该运行log.jsp页面。其用户名：aa 密码：aaaa

package Tool;
import java.io.*;
import java.util.Date;
import org.apache.struts.upload.FormFile;
public class UploadFile {
    public UploadFile() {
    }
    public String upload(String dir,FormFile formfile) throws Exception{
     Date d=new Date();
     String fname=formfile.getFileName();
     int i=fname.indexOf(".");
    String name=String .valueOf(d.getTime());
    String type=fname.substring(i+1);
    fname=name+"."+type;
    InputStream is=formfile.getInputStream();
    File uploadfile=new File(dir);
    if(!uploadfile.exists()|| uploadfile==null){
      uploadfile.mkdirs();
    }
    String path=uploadfile.getPath()+'/'+fname;
    OutputStream os=new FileOutputStream(path);
    int bytesRead=0;
    byte [] buffer=new byte[8192];
    while((bytesRead=is.read(buffer,0,8192))!=-1){
     os.write(buffer,0,bytesRead);
    }
    is.close();
    os.close();
    formfile.destroy();
    return fname;
 }
}