基于Jqurey的下拉框改变动态添加和删除表格实现代码

效果图:
基于Jqurey的下拉框改变动态添加和删除表格实现代码
当下拉框改变的时候,添加一个成人填写信息或儿童填写信息!

代码如下:

<!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> 
<link href="reset.css" rel="stylesheet" type="text/css" /> 
<script language="javascript" type="text/javascript" src="jquery-1.3.js"></script> 
<style type="text/css"> 
*{ 
font-size:12px; 
} 
#dFlightContent1 { 
width: 704px; 
height:auto; 
border-bottom: 1px solid #B0CAED; 
border-left: 1px solid #B0CAED; 
border-right: 1px solid #B0CAED; 
overflow: hidden; 
} 
.w_tt { 
font-size:14px; 
color:#006699; 
margin:0px 4px; 
} 
.w_tit { 
width:85px; 
text-align:right; 
} 
.w_uinfo { 
width:500px; 
margin:5px 20px 10px; 
} 
.w_uinfo input { 
height:18px; 
border:solid 1px #999999; 
} 
</style> 
<script language="javascript"> 
//添加成人 
function addAdult(){ 
var selAdult = $("#SelectAdult"); 
var tabtrCss = $(".tabtr"); 
var selValue = selAdult.val(); 
var addStr = "<tr class='tabtr'><td><table><tr height='30px'><td class='w_tit'>乘客姓名:</td><td colspan='2'><input type='text' name='userName' /></td></tr><tr height='30px'><td class='w_tit'>证件号:</td><td><input type='text' name='papersNum' /></td><td class='w_tit'>证件类型:</td><td><select name='paper' id='paper'><option value='1'>身份证</option><option value='2'>护照</option><option value='3'>军官证</option><option value='4'>其它</option></select></td></tr></table></td></tr>"; 
tabtrCss.remove(); 
for(var i=1;i<=selValue;i++){ 
$("#adult").append(addStr); 
} 
} 
//添加儿童 
function addChildren(){ 
var selChild = $("#SelectChildren"); 
var children = $(".children"); 
var selValue = selChild.val(); 
var addStr = "<tr class='children'><td><table><tr height='30px'><td class='w_tit'>乘客姓名:</td><td colspan='2'><input type='text' name='userName' /></td></tr><tr height='30px'><td class='w_tit'>证件号:</td><td><input type='text' name='papersNum' /></td><td class='w_tit'>证件类型:</td><td><select name='paper' id='paper'><option value='1'>身份证</option><option value='2'>出生日期</option><option value='3'>其它</option></select></td></tr></table></td></tr>"; 
children.remove(); 
for(var i = 1;i<=selValue;i++){ 
$("#child").append(addStr); 
} 
} 
</script> 
</head> 
<body> 
<div id="dFlightContent1" class="ct"> 
<table cellpadding="0px" cellspacing="0px" border="0px" class="w_uinfo" id="adult"> 
<tr height="40px"> 
<td colspan="4"><img src="06.png" alt="" /><b class="w_tt">成人</b> 
<select name="SelectAdult" id="SelectAdult" onchange="addAdult()"> 
<option value="1">1人</option> 
<option value="2">2人</option> 
<option value="3">3人</option> 
<option value="4">4人</option> 
<option value="5">5人</option> 
</select></td> 
</tr> 
<tr class="tabtr"> 
<td><table> 
<tr height="30px"> 
<td class="w_tit">乘客姓名:</td> 
<td colspan="2"><input type="text" name="userName" /></td> 
</tr> 
<tr height="30px"> 
<td class="w_tit">证件号:</td> 
<td><input type="text" name="papersNum" /></td> 
<td class="w_tit">证件类型:</td> 
<td><select name="paper" id="paper"> 
<option value="1">身份证</option> 
<option value="2">护照</option> 
<option value="3">军官证</option> 
<option value="4">其它</option> 
</select></td> 
</tr> 
</table></td> 
</tr> 
</table> 
<table cellpadding="0px" cellspacing="0px" border="0px" class="w_uinfo" id="child"> 
<tr height="40px"> 
<td colspan="4"><img src="06.png" alt="" /><b class="w_tt">儿童</b> 
<select name="SelectChildren" id="SelectChildren" onchange="addChildren()"> 
<option value="0">0人</option> 
<option value="1">1人</option> 
<option value="2">2人</option> 
</select></td> 
</tr> 
</table> 
<table cellpadding="0px" cellspacing="0px" border="0px" class="w_uinfo"> 
<tr height="40px"> 
<td class="w_tit">联系人姓名:</td> 
<td><input type="text" name="userName" /></td> 
<td class="w_tit">联系方式:</td> 
<td><input type="text" name="tel" /></td> 
</tr> 
<tr height="40px" align="center"> 
<td colspan="4"><img src="tijiao.jpg" alt="" /></td> 
</tr> 
</table> 
</div> 
</body> 
</html>

JavaScript代码还有可优化的,儿童和成人下拉框改变天津添加的信息是一样的!可以只定义一个变量,两个函数共同使用!

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