<![CDATA[沧海一粟]]> http://www.dzhope.com/index.php zh-cn http://www.dzhope.com/post/149/ <![CDATA[PHP+mysql实现全动态二级联动下拉列表]]> jed <jed521@163.com> Wed, 18 Oct 2006 08:33:52 +0000 http://www.dzhope.com/post/149/
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>全动态二级联动下拉列表</title>
</head>
<body>
<?
/***********************************************
** 功  能：PHP+mysql实现二级级联下拉框
** 数据库：数据库名（db_city）、数据表（t_province、t_city）
** 表t_province中字段：id（id编号）、provinceName（省份名）
** 表t_city中的字段：id（id编号）、provinceId（省份ID）、cityName（城市名）
***********************************************/

//****************** 连接选择数据库 ***************
$link = mysql_connect("localhost", "root", "123")
       or die("Could not connect : " . mysql_error());
mysql_select_db("db_city") or die("Could not select database");

//******************提取省份信息******************
$sqlSel = "select * from t_province order by id ";
$result = mysql_query($sqlSel) or die("Query failed : " . mysql_error());

$forum_data = array();
while( $row = mysql_fetch_array($result) )
{
       $forum_data[] = $row;
}
//print_r ($forum_data);
mysql_free_result($result);

//**************获取城市信息**************        
$sqlSel2 = "select * from t_city order by provinceId desc";

if( !($result2 = mysql_query($sqlSel2)) )
{
       die('Could not query t_city list');
}

$forum_data2 = array();
while( $row2 = mysql_fetch_array($result2) )
{
       $forum_data2[] = $row2;
}

mysql_free_result($result2);
?>

<!--************ JavaScript处理province--onChange *************-->
<script language = "JavaScript">
var onecount2;
subcat2 = new Array();
<?php
$num2 = count($forum_data2);
?>
onecount2=<?echo $num2;?>;
<?
for($j=0;$j<$num2;$j++)
{
?>
subcat2[<?echo $j;?>] = new Array("<?echo $forum_data2[$j]['id'];?>","<?echo $forum_data2[$j]['provinceId'];?>","<?echo $forum_data2[$j]['cityName'];?>");
<?}?>
function changelocation(id)
{
document.myform.city.length = 0;
var id=id;
var j;
document.myform.city.options[0] = new Option('==选择城市==','');
for (j=0;j < onecount2; j++)
{
 if (subcat2[j][1] == id)
  {
  document.myform.city.options[document.myform.city.length] = new Option(subcat2[j][2], subcat2[j][0]);
  }
}
}
</script>

<!--********************页面表单*************************-->
<form name="myform" method="post">
地址：<select name="bigClass" onChange="changelocation(document.myform.bigClass.options[document.myform.bigClass.selectedIndex].value)" size="1">
<option selected>请选择省份</option>
       
<?php
$num = count($forum_data);

for($i=0;$i<$num;$i++)
{
?>
<option value="<?echo $forum_data[$i]['id'];?>"><?echo $forum_data[$i]['provinceName'];?></option>
<?
}
?>
</select>
<select name="city" multiple>
<SELECT name=city size=1 id="city">
<option selected value="">==选择城市==</option>
</select>
</form>
</body>
</html>


Tags - , ]]> http://www.dzhope.com/post/149/#blogcomment2758 <![CDATA[[评论] PHP+mysql实现全动态二级联动下拉列表]]> 发 <user@domain.com> Thu, 26 Apr 2007 10:41:51 +0000 http://www.dzhope.com/post/149/#blogcomment2758 http://www.dzhope.com/post/149/#blogcomment3012 <![CDATA[[评论] PHP+mysql实现全动态二级联动下拉列表]]> hkingss <user@domain.com> Wed, 07 May 2008 07:19:40 +0000 http://www.dzhope.com/post/149/#blogcomment3012 http://www.dzhope.com/post/149/#blogcomment4896 <![CDATA[[评论] PHP+mysql实现全动态二级联动下拉列表]]> kuaile <user@domain.com> Fri, 22 Aug 2008 09:10:29 +0000 http://www.dzhope.com/post/149/#blogcomment4896 http://www.dzhope.com/post/149/#blogcomment9146 <![CDATA[[评论] PHP+mysql实现全动态二级联动下拉列表]]> caoone <user@domain.com> Tue, 25 Nov 2008 06:34:08 +0000 http://www.dzhope.com/post/149/#blogcomment9146