这是我的ajax后如何确定哪些DIV /类按钮被点击的
<script language="JavaScript" type="text/javascript">
var num = 1;
function ajax_post(){
// Create our XMLHttpRequest object
var hr = new XMLHttpRequest();
// Create some variables we need to send to our PHP file
var url = "javas.php";
hr.open("POST", url, true);
// Set content type header information for sending url encoded variables in the request
hr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
// Access the onreadystatechange event for the XMLHttpRequest object
hr.onreadystatechange = function() {
if(hr.readyState == 4 && hr.status == 200) {
var return_data = hr.responseText;
document.getElementById("status").innerHTML = return_data;
}
}
// Send the data to PHP now... and wait for response to update the status div
hr.send("num=" + (++num)); // Actually execute the request
document.getElementById("status").innerHTML = "processing...";
}
</script>
现在我需要确定whitch类的按钮被点击了(在PHP)
<?php
//Getting posts from DB
$event1 = mysql_query("SELECT post,date,memid FROM postaction WHERE memid = '$id' ORDER BY date DESC LIMIT 5;");
while ($row1 = mysql_fetch_array($event1))
{
$event = $row1['post'];
$timeposted = $row1['date'];
$eventmemdata = mysql_query("SELECT id,firstname FROM users WHERE id = '$id' LIMIT 1");
while($rowaa = mysql_fetch_array($eventmemdata))
{
$name = $rowaa['firstname'];
$eventlist = "$event <br> $name";
}
echo " <div id = 'eventer'> $timeposted <br>$eventlist</div> <input name='myBtn' type='submit' value='increment' onClick='javascript:ajax_post();'>
<input name='lol' type='submit' value='dec' onClick='javascript:ajax_posta();'>
<div id = 'status'>lol</div>";
echo "<br>";
}
?>
</span>
</div>
单击该按钮时,将调用ajax函数,但是该函数正在第一个状态div中显示,而不是在该按钮被点击的div/class中显示。
他们都是相同的按钮即时通讯试图找出它被点击的类别 – foshoeiyyy 2011-12-15 12:11:40
而不是试图找出哪个类按钮被点击,试着找出哪个按钮本身是点击。你可以区分你的按钮,给他们每个独特的atrribute。它总是更好地找到确切的起点即你的按钮,比找出那个按钮位于哪里:) – rdsoze 2011-12-15 12:33:10