滚动查找工作代码
我在 AJAX 编辑平台上工作,在设置文本字段进行编辑时遇到问题。
到目前为止我的代码:
下面的 Javascript 处理初始提交:
<head>
<script type="text/javascript">
if(window.ActiveXObject) var ajax = new ActiveXObject('Microsoft.XMLHTTP');
else var ajax = new XMLHttpRequest();
function edit()
{
var doc_id = document.getElementById("doc_id").value;
ajax.open('GET', 'ajax.php?doc_id='+doc_id, true);
ajax.onreadystatechange = function()
{
if(ajax.readyState == 4)
{
document.getElementById('content').innerHTML = ajax.responseText;
}
}
ajax.send(null);
}
</script>
</head>
下面的 SQL 处理该信息的初始选择查询和显示:
$query = 'SELECT pp.`physician_id`, pp.`physician_first_name`, pp.`physician_last_name`, pp.`featured`, ';
$query.= 'FROM `primary_physicians` AS pp ';
$query.= 'ORDER BY pp.`physician_id` ';
<body>
<div id="container">
<?php
$result = mysql_unbuffered_query( $query );
echo "<table border='1'>";
while ($row = mysql_fetch_assoc($result))
{
echo "<tr>";
$physician_id = $row['physician_id'];
echo "<td>" . $row['physician_id'] . "</td>";
echo "<td><div id='content'><input id='doc_id' type='hidden' value='$physician_id' />" . $row['physician_first_name'] . "<br /><input type='button' value='Edit' onclick='edit();'></div></td>";
echo "<td>" . $row['physician_last_name'] . "</td>";
echo "</tr>";
}
echo "</table>";
?>
</div>
</body>
</html>
当用户单击“内容”div 中的“编辑”按钮时,“ajax.php”文件会处理请求。
$client_id = $_GET['doc_id'];
$client_query = 'SELECT pp.`physician_id`, pp.`physician_first_name`, pp.`physician_last_name`, pp.`featured` ';
$client_query.= 'FROM `primary_physicians` AS pp WHERE pp.`physician_id`=' . $client_id . '';
$client_result = mysql_unbuffered_query( $client_query );
while ($client_row = mysql_fetch_assoc($client_result))
{
echo "<input type='text' value='$client_row[physician_first_name]' />";
}
如下所示:
初始页面加载:
按下“编辑”按钮(任何可用按钮,而不仅仅是与客户端/ID 关联的按钮):
按下任何编辑按钮会在客户端 ID #1 的表行中显示客户端 ID #2(不在客户端 ID #2 的行中):
我猜我必须在内容 div 中设置一些东西,并以某种方式将它与“edit()”函数相关联,但是如果不在 while 循环中设置脚本(我真的不想做)。
下面的工作代码
Javascript(初始提交和显示):
<head>
<script type="text/javascript">
if(window.ActiveXObject) var ajax = new ActiveXObject('Microsoft.XMLHTTP');
else var ajax = new XMLHttpRequest();
function hello(e)
{
/* this was once document.getElementById("doc_id").value;*/
var doc_id = e.currentTarget.id;
ajax.open('GET', 'ajax.php?doc_id='+doc_id, true);
ajax.onreadystatechange = function()
{
if(ajax.readyState == 4)
{
/*this was without the '+doc_id' document.getElementById('content').innerHTML = ajax.responseText; */
document.getElementById('content'+doc_id).innerHTML = ajax.responseText;
}
}
ajax.send(null);
}
</script>
</head>
PHP/MySQL:
<body>
<div id="container">
<?php
$result = mysql_unbuffered_query( $query );
echo "<table border='1'>";
while ($row = mysql_fetch_assoc($result))
{
echo "<tr>";
$physician_id = $row['physician_id'];
echo "<td>" . $row['physician_id'] . "</td>";
//note change to the 'content' div (addition of $physician_id to make it truly unique; this ties into the javascript above.
echo "<td><div id='content$physician_id'>";
//note changes to input id and button id, as well as the 'onclick' function.
echo "<input id='doc_id_$physician_id' type='hidden' value='$physician_id' />" . $row['physician_first_name'] . "<br /><input type='button' id='$physician_id' value='Edit' onclick='hello(event);'></div></td>";
echo "<td>" . $row['physician_last_name'] . "</td>";
echo "</tr>";
}
echo "</table>";
?>
</div>
</body>
没有更改或初始 MySQL 查询或 ajax.php