to AgathaZ(游弋的小鱼) :是个好主意,有没有相应的代码,help一下,谢啦to alfdu() :我在程序里用的就是catch捕捉错误,可是不行的,报错 如下: org.apache.jasper.JasperException: The extension of the file is not allowed to be uploaded (1010). at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) 等等等等............
org.apache.jasper.JasperException: The extension of the file is not allowed to be uploaded (1010).
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
等等等等............
{
var len;
var str;
var idnum;
len=kkk.length;
idnum=kkk.lastIndexOf(".");
str=kkk.substring(idnum);
str=str.toUpperCase();
if(idnum==-1)
{
alert("请选择一个图片文件!格式为*.jpg或*.gif");
return false;
}
else
{
if((len-idnum)!=4)
{
alert("请选择一个图片文件!格式为*.jpg或*.gif");
return false;
}
else
{
if((str.indexOf("JPG")!=-1)||(str.indexOf("GIF")!=-1)) return true;
else
{
alert("请选择一个图片文件!格式为*.jpg或*.gif");
return false;
}
}
}
}大概就这样了