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PHP连动下拉菜单
 
 
修改时间:[2008/08/05 10:22]    阅读次数:[1310]    发表者:[起缘]
 

<html>

<head>

<title>List</title>

<meta http-equiv="Content-Type" content="text/html; charset=??????">

<?

if( !( $link = mysql_connect() ) ){

    
fatal("Could not connect to local MySQL server.");

}



if( !
mysql_select_db( "loaction", $link ) )

{

    
mysql_close( $link );

    
fatal("Could not select database <b>ParserSample</b>.");

}



$sql="select * from district order by locationid asc";

$query=mysql_query($sql,$link);

?>

<script language = "JavaScript">



var onecount;

onecount = 0;

subcat = new Array();

<?

$count
=0;

while(
$rs=mysql_fetch_array($query)){

?>

subcat[<?=$count;?>] = new Array("<?=$rs['districtname'];?>","<?=$rs['locationid'];?>","<?=$rs['districtid'];?>","<?=$rs['areacode']?>","<?=$rs['zipcode']?>");

<?

    $count
++;

}

?>

onecount=<?=$count?>;



function GetCode(CityId){

    var CityId=CityId;

    var i;

    for(i=0;i < onecount; i++){

        if(subcat[i][2] == CityId){

            document.FormData.AreaCode.value = subcat[i][3];

            document.FormData.ZipCode.value = subcat[i][4];

        }

    }

}



function ClearCode(){

    document.FormData.AreaCode.value = '';

    document.FormData.ZipCode.value = '';

}



function getCity(locationid)

{

    document.FormData.City.length = 0;



    var locationid=locationid;



    var i;

    document.FormData.City.options[0] = new Option('==所选城市的地区==','');
    for (i=0;i < onecount; i++)

    {

        if (subcat[i][1] == locationid)

        {

        document.FormData.City.options[document.FormData.City.length] = new Option(subcat[i][0], subcat[i][2]);

        }

    }



}

</script>

</head>

<body>

<form name="FormData" method="post" action="">

分类:<select name="Province" onChange="getCity(document.FormData.Province.options[document.FormData.Province.selectedIndex].value);ClearCode();" size="1">

<option selected>请选择你所在的省份</option>

<?

$sql1
= "select * from loaction";

$query=mysql_query($sql1,$link);

$a=mysql_num_rows($query);

while(
$rs1=mysql_fetch_array($query)){

?>

<option value="<?=$rs1['loactionid'];?>"><?=$rs1['loactionname'];?></option>

<?}?>

</select>

<select name="City" onChange="GetCode(document.FormData.City.options[document.FormData.City.selectedIndex].value);">      

<option selected value="">==所有地区==</option>

</select>

<INPUT TYPE="text" NAME="AreaCode"><INPUT TYPE="text" NAME="ZipCode">

<INPUT TYPE="submit">

</form>

</body>

</html>

<?

if(!empty($_POST['City'])){

    echo
$_POST['City'];

}    

?>





表结构:



#

# 表的结构 `district`

#

# 创建时间: 2003 年 08 月 02 日 11:21

# 最后更新时间: 2003 年 08 月 02 日 11:21

#



CREATE TABLE `district` (

  `locationid` int(10) NOT NULL default '0',

  `districtid` int(10) NOT NULL auto_increment,

  `areacode` varchar(4) NOT NULL default '',

  `zipcode` varchar(6) NOT NULL default '',

  `districtname` varchar(50) NOT NULL default '',

  KEY `districtid` (`districtid`)

) TYPE=MyISAM AUTO_INCREMENT=7 ;



#

# 表`district`中数据locationid——省id;districtid——市id;districtname——市名称;  areacode  ——市区号;zipcode——市邮政编码

#



# --------------------------------------------------------



#

# 表的结构 `loaction`

#

# 创建时间: 2003 年 08 月 02 日 09:28

# 最后更新时间: 2003 年 08 月 02 日 10:36

#



CREATE TABLE `loaction` (

  `loactionid` int(10) NOT NULL auto_increment,

  `loactionname` varchar(50) NOT NULL default '',

  KEY `loactionid` (`loactionid`)

) TYPE=MyISAM AUTO_INCREMENT=4 ;



#

# 表`loaction`中数据,loactionid——省id;loactionname——省名称

#



#表