如何在 javascript 警报框中添加 php 内容或变量?!javascript, php, 警报框
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How to add php content or variable inside javascript alert box?! javascript, php, alertbox
提问by Pooja
How can i add php content or php variable inside Java-script alert box?! I tried to make it work few ways but it is only popping up a blank box rather than the contents of php variable.
如何在 Java 脚本警报框中添加 php 内容或 php 变量?!我试图让它以几种方式工作,但它只是弹出一个空白框,而不是 php 变量的内容。
Here is the code:
这是代码:
<script language="javascript">
$(document).ready(function() {
$("#a").blur(function() {
<?php $b = $_POST['a'];
if(isset($_POST['update'])) {
mysql_query("UPDATE tbl_travel set fld_a='".$_POST[$b]."' where fld_id = '".$_POST["id"]."' ") or die(mysql_error());
} ?>
alert (<?php $b ?>);
});
});
</script>
Thank You for your Help :)
感谢您的帮助 :)
回答by Sergio
回答by mkas
Have you tried this?
你试过这个吗?
alert ('<?php echo $b ?>');
回答by Zafer BAHADIR
I use it like this
我像这样使用它
$text="Example PHP Variable Message";
echo '<script type="text/javascript">alert("'.$text.'")</script>';
回答by jignesh
1.
1.
<script>
alert("</script><?php $r=5;echo $r;?> <script>")
</script>
you have to script off on when php start
你必须在 php 启动时关闭脚本
回答by Praveesh P
This worked for me :
这对我有用:
alert ("<?php echo $b; ?>");