用==不是=来判断是否相等
function check(){
if(document.reg.user.value==""){
alert("请输入用户名");
return false;
}
if(document.reg.password.value==""){
alert("请输入密码");
return false;
}
}
function check(){
if(document.reg.user.value==""){
alert("请输入用户名");
return false;
}
if(document.reg.password.value==""){
alert("请输入密码");
return false;
}
}
org.apache.jsp._2_jsp._jspService(_2_jsp.java:57)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
但为什么我把用户名和密码提交到2。JSP的时候还有这个错误啊