文件上传的异常 12-01-03 glorya 新闻发布系统里设计了上传图片的功能，但上传后总是报错[Invalid field value for field "upload".]特列出全部logHELLOD:\迅雷下载\apache-tomcat-6.0.29-windows-x86\apache-tomcat-6.0.29\webapps\mytest\uploadandLogin_bg.jpgupload/Login_bg.jpg[Invalid field value for field "upload".]请高人指点！