<%@ page language="java" contentType="text/html; charset=UTF-8"
 pageEncoding="UTF-8"%>
<%@ include file="../../common/include_tag.jsp"%>
<%@ include file="../../common/page_var.jsp"%>
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title><%=pageTitle%>-用戶(hù)登錄</title>
<%@ include file="../../common/page_head.jsp"%>
<link rel="stylesheet" type="text/css"
 href="<s:url value='/css/common_green.css'/>" />
<script type="text/javascript" src="<s:url value='/js/jquery.min.js'/>"></script>
<script type="text/javascript" src="<s:url value='/js/common.js'/>"></script>
<style type="text/css">
.logo{
 padding-top: 20px;
 padding-left: 20px;
 padding-right: 20px;
 padding-bottom: 20px;
 font-size: 28px;
}
.top{
 padding-bottom: 100px;
}
.login{
 line-height: 32px;
}
.content {
 width: 350px;
 margin: 15px auto auto;
 padding: 50px 50px;
 border: 2px solid #ccc;
 border-radius: 10px;
 box-shadow: 0 0 30px #ccc;
}
.bottom{
 padding-top: 100px;
}
.button{
 margin-top: 10px;
 margin-left: 105px;
}
.update {
 margin: 0 auto;
 padding: 0;
 width: 98%;
}

.update td {
 margin: 0;
 height: 30px;
 padding: 5px;
}

.update .name {
 text-align: right;
}

.title_div {
 width: 350px;
}

body {
 background: url("< s : url value = '/images/gray_bg.png'/ >") 0 0
 repeat-y #F6F6F6;
}
</style>
<script type="text/javascript">
 $(function() {
 pilicat.title2div('title2div');
 pilicat.keysubmit('form1', 'submit', true);
 });
</script>
</head>
<body>
 <div class="logo">首都機(jī)場(chǎng)空地自動(dòng)化協(xié)同決策系統(tǒng)</div>
 <div class="rounded table">
 <div class="top"></div>
 <div class="content">
 <form id="form1" action="<s:url value='/u/ulogin'/>" method="post">
 <div align="center"><span style="color: red;">${captcha}</span></div>
 <table class="table table-bordered table-striped" style="width: 310px; padding-left: 50px;">
 <tbody>
 <tr class="login">
 <td><span>賬 號(hào): </span></td>
 <td><input type="text" id="userName" name="userName"
 class="input rounded" value="" placeholder="賬號(hào)" /></td>
 </tr>
 <tr class="login">
 <td><span>密 碼: </span></td>
 <td><input type="password" id="passWd" name="passWd"
 class="input rounded" value="" placeholder="密碼" /></td>
 </tr>
 <tr class="login">
 <td><span>驗(yàn)證碼: </span></td>
 <td><input type="text" id="captcha" name="captcha" size="5" maxlength="5" class="input rounded" value="" placeholder="驗(yàn)證碼" />
 <img id="captcha" style="cursor: pointer; cursor: hand; margin-top: -5px; margin-right: -10px;" align="middle"
 onclick="this.src='<s:url value='/u/captcha.htm'/>?'+Math.random();"
 src="<s:url value='/u/captcha.htm'/>">
 </td>
 </tr>
 <tr class="login">
 <td colspan="2">
 <a id="submit" class="submit" href="javascript:;" onclick="submitForm();">登錄</a>
 </td>
 </tr>
 </tbody>
 </table>
 </form>
 </div>
 <div class="bottom"></div>
 </div>
 <%@ include file="../../common/bottom.jsp"%>
</body>
</html>

解決方案：

把form表單放在一個(gè)div里面，然后對(duì)這個(gè)div監(jiān)聽(tīng)事件$("#id").keydown(function (){});

#*#監(jiān)聽(tīng)回車(chē)事件

document.onkeydown=function() {

if(event.keyCode==13) {

//這里提交你的表單

$('#ff_login').submit();
}
}

#*#頁(yè)面編寫(xiě)js腳本進(jìn)行監(jiān)聽(tīng)。。。

#*#js監(jiān)聽(tīng)enter事件#*#

把form表單放在一個(gè)div里面，然后對(duì)這個(gè)div監(jiān)聽(tīng)事件$("#id").keydown(function (){});

#*#獲取焦點(diǎn) 監(jiān)聽(tīng)enter#*#

監(jiān)聽(tīng)整個(gè)body的keypress事件，如果是回車(chē)鍵，激發(fā)submit按鈕的click事件，當(dāng)然你的click事件中會(huì)有相關(guān)的數(shù)據(jù)驗(yàn)證之類(lèi)的，如果驗(yàn)證不過(guò)，不會(huì)提交。

希望本文所述對(duì)大家jsp程序設(shè)計(jì)有所幫助。

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