我有问题... $ page = $ _request ['page']; ......是行不通的。
当我输入localhost / example2.php时，我得到了这个......
<?xml version='1.0' encoding='utf-8'?>
<rows>
<page></page>
<total>0</total>
<records>1</records>
<row id='1'>
<cell>1</cell>
<cell>2001-01-10</cell>
<cell>103.98</cell>
<cell>45.34</cell>
<cell>149.32</cell>
<cell><![CDATA[xxx]]></cell>
</row>
</rows>
为什么$ page为null？
这是我的代码（从jqgrid wiki复制）......
的index.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>PHP jqGrid Class Example</title>
<!-- installation files of jqgrid -->
<link rel="stylesheet" type="text/css" media="screen" href="themes/redmond/jquery-ui-1.8.16.custom.css" />
<link rel="stylesheet" type="text/css" media="screen" href="themes/ui.jqgrid.css" />
<script src="js/jquery-1.7.2.min.js" type="text/javascript"></script>
<script src="js/i18n/grid.locale-en.js" type="text/javascript"></script>
<script src="js/jquery.jqGrid.min.js" type="text/javascript"></script>
<!-- installation files of jqgrid -->
<script type="text/javascript">
jQuery(document).ready(function(){
$("#list").jqGrid({
url:'example.php',
datatype: 'xml',
mtype: 'GET',
colNames:['Inv No','Date', 'Amount','Tax','Total','Notes'],
colModel :[
{name:'invid', index:'invid', width:55},
{name:'invdate', index:'invdate', width:90},
{name:'amount', index:'amount', width:80, align:'right'},
{name:'tax', index:'tax', width:80, align:'right'},
{name:'total', index:'total', width:80, align:'right'},
{name:'note', index:'note', width:150, sortable:false}
],
pager: '#pager',
rowNum:10,
rowList:[10,20,30],
sortname: 'invid',
sortorder: 'desc',
viewrecords: true,
gridview: true,
caption: 'My first grid'
});
});
</script>
</head>
<body>
<table id="list"><tr><td/></tr></table>
<div id="pager"></div>
</body>
</html>
使用example.php
<?php
$page = $_GET['page'];
$limit = $_GET['rows'];
$sidx = $_GET['sidx'];
$sord = $_GET['sord'];
if(!$sidx) $sidx =1;
$dbhost = 'localhost';
$dbuser = 'root';
$dbpassword = '1234';
$database = 'northwind';
$db = mysql_connect($dbhost, $dbuser, $dbpassword) or die("Connection Error: " . mysql_error());
mysql_select_db($database) or die("Error connecting to db.");
$result = mysql_query("SELECT COUNT(*) AS count FROM invheader");
$row = mysql_fetch_array($result,MYSQL_ASSOC);
$count = $row['count'];
if($count > 0 && $limit > 0)
{
$total_pages = ceil($count/$limit);
}
else
{
$total_pages = 0;
}
if($page > $total_pages)
{
$page=$total_pages;
}
$start = $limit*$page - $limit;
if($start <0)
{
$start = 0;
}
//$SQL = "SELECT invid, invdate, amount, tax,total, note FROM invheader ORDER BY $sidx $sord LIMIT $start , $limit";
$SQL = "SELECT invid, invdate, amount, tax,total, note FROM invheader";
$result = mysql_query( $SQL ) or die("Couldn't execute query.".mysql_error());
header("Content-type: text/xml;charset=utf-8");
$s = "<?xml version='1.0' encoding='utf-8'?>";
$s .= "<rows>";
$s .= "<page>".$page."</page>";
$s .= "<total>".$total_pages."</total>";
$s .= "<records>".$count."</records>";
while($row = mysql_fetch_array($result,MYSQL_ASSOC)) {
$s .= "<row id='". $row['invid']."'>";
$s .= "<cell>". $row['invid']."</cell>";
$s .= "<cell>". $row['invdate']."</cell>";
$s .= "<cell>". $row['amount']."</cell>";
$s .= "<cell>". $row['tax']."</cell>";
$s .= "<cell>". $row['total']."</cell>";
$s .= "<cell><![CDATA[". $row['note']."]]></cell>";
$s .= "</row>";
}
$s .= "</rows>";
echo $s;
?>
感谢您的帮助：）
答案 0 :(得分：0)
如果在example2.php中你有：
$page = $_request['page'];
$page = $_REQUEST['page'];