[英]JQuery and Ajax: How to store returned data in variables?
我有以下代码:
window.onload = function() {
var eMail = "<?php echo $log; ?>";
var aRticleid = "<?php echo $articleid1; ?>";
$.ajax({
type: "GET",
url: 'aquireLikes.php?email='+eMail+'&id='+aRticleid+'',
success: function(data){
}
});
};
这将执行一个php脚本。 如果满足某些条件,PHP脚本中的三个变量将设置为true。 我想将这些变量的返回值存储在页面上的一组JavaScript变量中,这些JavaScript变量调用aquireLikes.php页面。 我怎样才能做到这一点? 可能是这样,但实际上有效:
window.onload = function() {
var eMail = "<?php echo $log; ?>";
var aRticleid = "<?php echo $articleid1; ?>";
$.ajax({
type: "GET",
url: 'aquireLikes.php?email='+eMail+'&id='+aRticleid+'',
success: function(data){
var liked = aquirelikes.php.$liked;
}
});
};
我知道以上完全是胡说八道,但您会得到提示。 那么如何将返回的值存储在javascript变量中? 这是我的aquireLikes文件:
<?php
$email = $_GET["email"];
$articleid1 = $_GET["id"];
$done = false;
$thing = mysql_query("SELECT `id` FROM likes WHERE id=(SELECT MAX(id) FROM likes)");
$lastrow = mysql_fetch_row($thing);
$lastid = $lastrow[0];
if($lastid == null || $lastid == '0'){
$lastid = '1';
}
$state1 = '';
for ($i=1; $i <= $lastid+1; $i++) {
$current = mysql_query("SELECT * FROM likes WHERE id=$i");
while ($row = mysql_fetch_array($current)) {
$id1 = $row[0];
$userid1 = $row[1];
$state1 = $row[2];
$articleid1 = $row[3];
if($done == false){
if($email == $userid1 && $articleid1 == $id && $state1 == '1'){
$liked = true;
$disliked = false;
$done = true;
echo "<script>console.log('Liked!');</script>";
break;
}else{
$liked = false;
}
if($email == $userid1 && $articleid1 == $id && $state1 == '0'){
$disliked = false;
$liked = false;
$done = true;
echo "<script>console.log('NONE!');</script>";
break;
}
if($email == $userid1 && $articleid1 == $id && $state1 == '2'){
$disliked = true;
$liked = false;
$done = true;
echo "<script>console.log('disliked!');</script>";
break;
}else{
$disliked = false;
}
}
}
}
?>
您的ajax如下所示:
var liked;
$.ajax({
type: "GET",
url: 'aquireLikes.php?email='+eMail+'&id='+aRticleid+'',
type: 'json',
success: function(data){
liked = data.liked;
}
});
而在php中,您将必须返回:
echo json_encode($data)
php文件只能输出json数据!
这仅仅是实现的例子。
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