[英]Send two variables from php to javascript
I want to send two variables from the php file to the javascript. 我想将两个变量从php文件发送到javascript。 I've set this up:
我已经设置好了:
Javascript code JavaScript代码
<script>
function cek(user,pass){
alert("a");
alert(user);
alert(pass);
if(pass!=pass1){
alert('Password Anda Salah');
} else if(user==user1){
alert('Username baru sama dengan username lama');
}
}
</script>
PHP code PHP代码
<?php
include "db.php";
$nip=$_REQUEST['nip'];
$query=mysql_query("SELECT username,password FROM user WHERE nip=$nip",$koneksi);
$row=mysql_fetch_array($query);
$username=$row['username'];
$password=$row['password'];
echo'<font face="verdana" size="3" color="black"><br />';
echo'<form method="post" name="form1">';
echo'<label>Username </label> ';
echo"<input type='text' id='user' name='user' tabindex='1' value=$username> <br />";
echo'<label>Username Baru</label> ';
echo'<input type= "text" id="user1" name="user1" tabindex="2"/> <br />';
echo'<label>Password</label> ';
echo'<input type="text" id="pass" name="pass" tabindex="3" value=$password> <br />';
echo"<button type='button' name='submit' id='submit' onclick=subtotal(".$username.",\"".$password."\"))>Submit</button>";
echo'</form>';
echo'</font>';
?>
I've tried to do it this way. 我已经尝试过这种方式。 But it does not work properly, please help me or give some advice to solve this problem.
但是它不能正常工作,请帮助我或提供一些建议来解决此问题。
you can try this : in php : 您可以尝试以下方法:在php中:
<div id="myid" data-var1="<?php echo $var1;?>" data-var2="<?php echo $var2;?>"> </div>
in jquery : 在jQuery中:
var var1=$('#myid').attr('data-var1');
var var2=$('#myid').attr('data-var2');
and you can use this variables in javascript function 您可以在javascript函数中使用此变量
var user = $('#user').val();
var pass = $('#pass').val();
function cek(user,pass) {
// your script here
}
To send a variable from PHP
to JavaScript
, You can set the PHP variable to JavaScript variable and the JavaScript variable will be available on your script. 要将变量从
PHP
发送到JavaScript
,可以将PHP变量设置为JavaScript变量,并且JavaScript变量将在脚本中可用。
PHP: PHP:
$php_var1='Var_1_Value';
$php_var2='Var_2_Value';
echo "<script>";
echo "var js_var_1 = $php_var1"; //double quote So PHP variable will work in string
echo "var js_var_2 = $php_var2";
echo "</script>";
Now js_var_1
and js_var_2
will be available on your scope and can use: 现在,
js_var_1
和js_var_2
将在您的范围内可用,并且可以使用:
<script>
alert(js_var_1);
alert(js_var_2);
</script>
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