简单做了界面，代码功能应该没有问题，简单做个文档分享一下。登录界面denglu.jsp:<%@pagecontentType=text/html;charset=gb2312%><html><head><title>登录界面</title><script>functioncheck(){if(document.dlForm.UserN.value==){alert(用户名不能为空);document.dlForm.UserN.focus();returnfalse;}if(document.dlForm.UserP.value==){alert(密码不能为空);document.dlForm.UserP.focus();returnfalse;}document.dlForm.subm...
