<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page
import="com.chinasofit.bean.*,java.util.List,java.util.ArrayList"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!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" src="${pageContext.request.contextPath}/js/jquery-2.1.0.js"></script>
<script type="text/javascript">
function validate(){
var url = ‘ValiUsernameServlet‘;
var username = $(‘#userName‘).val();
$.get(url,{‘username‘:username},function(data){
var p = eval("("+data+")");
$(‘#usernamemsg‘).html("<font color=red>"+p.msg+"</font>");
});
}
</script>
</head>
<body>
<%-- <%@ include file="top.jsp"%> --%>
<jsp:include page="top.jsp"></jsp:include>
<form action="register" method="post">
<fieldset>
<legend>员工信息</legend>
<table>
<tr>
<td>姓名:</td>
<td><input type="text" id="employeeName" name="employeeName"
value="${employee.employeeName}"></td>
</tr>
<tr>
<td>账户名:</td>
<td><input type="text" id="userName" name="userName"
value="${employee.userName}" onchange="validate()"></td>
<td><div id="usernamemsg"></div></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="text" id="password" name="password"
value="${employee.password}"></td>
</tr>
<tr>
<td>确认密码:</td>
<td><input type="text" id="confirm_password" value="1001"></td>
</tr>
<tr>
<td>联系电话:</td>
<td><input type="text" id="phone" name="phone"
value="${employee.phone}"></td>
</tr>
<tr>
<td>电子邮件:</td>
<td><input type="text" id="email" name="email"
value="${employee.email}"></td>
</tr>
<tr>
<td>所在部门:</td>
<td>
<select name="departmentId" id="departmentId">
<c:forEach items="${ requestScope.deptList}" var="deptment">
<option value="${deptment.departmentId }">${deptment.departmentName }</option>
</c:forEach>
</select></td>
</tr>
<tr>
<td></td>
<td><input type="submit" value="注册" /> <input type="reset"
value="重置" /></td>
</tr>
</table>
</fieldset>
</form>
</body>
</html>
js3
原文地址：https://www.cnblogs.com/arvins/p/8604372.html