日期:2014-05-19 浏览次数:20762 次
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> <script type="text/javascript"> function fun(){ var uid=document.getElementById("uid").value; if(uid==" "){ alert("请输入名字"); return false; }else { return true; } } </script> </head>
<body><!-- 验证表单 --> <form action="page2.jsp" method="post"> <input type="text" name="uid" id="uid"> <input type="submit" value="验证提交" onclick="return fun()"> </form> </body>