📄 f0210b302040001d1bbeb58f3f6dcbed

📁 自己做的一个火车票售票网站是课程设计用的是servlet+jsp 数据库是ms
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<%@ page contentType="text/html;charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
html,body,img,ul,li{margin:0;padding:0;border:0;}
body{font-family:Arial, Helvetica, sans-serif;
font-size:12px;}
#content{width:760px;margin:20px auto;}
#left{float:left;}
#left ul{list-style:none;
}
#left ul li{}
#right{margin:0
padding:0;
}

#right-2{
float:right;
margin-left:5px;
padding:5px;
margin-top:10px;
text-align:left;
border:1px solid #e4da56;}
.border{
	border-left:1px solid #e4da56;
	border-right:1px solid #e4da56;
}
.border1{
border-left:1px solid #e4da56;
	border-right:1px solid #e4da56;
	border-bottom:1px solid #e4da56;}
#center{text-align:center;}
#hongse{color:#FF0000;}
.biaodan{border:1px solid #000000;}
#heise{font-family:"黑体";
font-weight:600;}
</style>
<script type="text/javascript">
function checkUser(){
	var userName = document.getElementById("newUserName").value;
	
	send_request("LoginAjaxServlet?name="+userName);
}
var http_request = false;
function send_request(url)
{	http_request = false;

    //开始初始化XMLHttpRequest对象

    if(window.XMLHttpRequest)

    { //Mozilla 浏览器

        http_request = new XMLHttpRequest();

        if (http_request.overrideMimeType) {//设置MiME类别

            http_request.overrideMimeType('text/xml');

        }

    }

    else if (window.ActiveXObject)
    { // IE浏览器
        try
        {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e)
        {
            try
            {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch (e) {}
        }
    }
    if (!http_request)
    { // 异常，创建对象实例失败
        window.alert("不能创建XMLHttpRequest对象实例.");
        return false;
    }
    http_request.onreadystatechange = processRequest;
    
    // 确定发送请求的方式和URL以及是否同步执行下段代码
    http_request.open("GET", url, true);
    //http_request.setRequestHeader("Content-Type","text/html;charset=gb2312");   
    http_request.send(null);
}
function processRequest()
{
    if (http_request.readyState == 4)
    { // 判断对象状态

        if (http_request.status == 200)

        { // 信息已经成功返回，开始处理信息

            var returnStr = http_request.responseText;
            document.getElementById("showText").innerHTML = returnStr;
         }
    }
}

</script>
</head>

<body>
<center>
<div id="header">
<iframe src="top.jsp" height="450px" width="760px" scrolling="no" frameborder="0">
</iframe>
</div>
<div id="content">
<div id="left">
<ul>
<li ><img src="img/images01.gif" class="noborder" /></li>
<li class="border"><img src="img/images03-1.gif"/></li>
<li class="border"><img src="img/images04.gif"/></li>
<li class="border"><img src="img/images05-1.gif" /></li>
<li class="border1"><img src="img/images06-1.gif" /></li>
</ul>
</div>
<div id="right">

<div id="right-2">
&nbsp;&nbsp;成为我们的注册用户，您就可以通过我们公司网站方便地申请、查询、管理您的业务记录，并且可以及时更新您的注册资料，以及获得在线帮助。<p></p> 
请选择您要注册的用户名：<form action="zhuce3.jsp" method="post"><input type="text" name="newUserName" class="biaodan"/><input type="button" value="检查用户名是否被占用" onclick="checkUser()"/><p></p><input type="image" src="img/bt_register_b.gif"/>&nbsp;&nbsp;<a href="main.jsp"><img src
="img/bt_giveup_b.gif"/></a></form><span id="showText"></span>
<p></p>  
用户名最大长度为<span id="hongse">0-16</span>字符。 请注意<span id="hongse">大小写</span>。<br />
    用户名限制如下：<span id="heise">!@#$%^&*(){}[]|\./?`~ </span>，<span id="hongse">系统会把空格自动去掉</span>．如在用户名中填写限制字符则提示用户名已被注册．

</div>
</div>
</div>
<div id="footer">
<iframe src="footer.html" height="450px" width="760px" scrolling="no" frameborder="0">
</iframe>
</div>
</center>
</body>
</html>
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