/*********************************************************************************************
*****************************php二级联动菜单改动版***********************************
****************************************by garcon1986*****************************************
**********************************************************************************************/
2chain.php:
<mce:script language = "JavaScript"><!--
var onecount;
onecount=0;
subcat = new Array();
<?php
mysql_connect("localhost","charles","charles");
mysql_select_db( "_crm" );
$sql = "select * from site";
$result = mysql_query( $sql );
$count = 0;
while($res = mysql_fetch_row($result)){
?>
subcat[<?php echo $count ?>] = new Array("<?php echo $res[0]?>","<?php echo $res[2]?>","<?php echo $res[1]?>");
<?php
$count++;
}
echo "onecount=$count;";
?>
//联动函数
function changelocation(locationid)
{
document.myform.ctype.length = 0;
var locationid=locationid;
var i;
for (i=0;i < onecount; i++)
{
if (subcat[i][2] == locationid)
{
//var newOption1=new Option(subcat[i][1], subcat[i][0]);
//document.all.ctype.add(newOption1);
document.myform.ctype.options[document.myform.ctype.length] = new Option(subcat[i][1], subcat[i][0]);
}
}
}
// --></mce:script>
<form method="post" name="myform" action="ru_query.php">
<select name="type" onChange="changelocation(document.myform.type.options[document.myform.type.selectedIndex].value)" size="1">
<option selected value="">main</option>
<?php
$sql = "select * from entreprise";
$result = mysql_query( $sql );
while($res = mysql_fetch_row($result)){
?>
<option value="<?php echo $res[0]; ?>">
PHP的执行效率是有目共睹的，这也是我喜欢它的原因之一，和它称为绝妙搭档的Mysql以及Apache想融合，不能不惊叹其效率了。PHP更新也很快，这里列举了目前最新版本PHP4.3.2RC4（几乎没有BUG了，估计写完这篇不久后正式版就出了），和最新版本的Mysql4.0.13的安装过程。
PHP的安装文件可以直接到 &nb ......
/***************************by
garcon1986********************************/
<?php
// simple assgin the values
$arr1 = array(12 => 10, 'sjg' => 'yaya');
echo $arr1[12].'<br>'; // 10
echo $arr1['sjg']."<br>"; //yaya
echo "wo ai ni !<p> ......
