如何在JavaScript中添加php变量?

时间:2014-11-11 13:25:09

标签: javascript php

这是我的代码:

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
<?php
$url = "http://api.wunderground.com/api/7d5339867b063fd0/geolookup/conditions/q/UK/".$area.".json";
?>

<script>

jQuery(document).ready(function($) {
  $.ajax({
 url : ,
dataType : "jsonp",
success : function(parsed_json) {
var location = parsed_json['location']['city'];
var temp_f = parsed_json['current_observation']['temp_f'];
alert("This is an example of a web service outputting using Json. The current temperature in " + location + " is: " + temp_f);
}
});
});

</script>

如何将“$ url”变量添加到位于“url:”此处的javascript代码中,

谢谢

4 个答案:

答案 0 :(得分:3)

你只需要这样说:

url : "<?=$url?>",

或(最佳方式):

url : "<?php echo $url; ?>",

答案 1 :(得分:3)

  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
    <?php
    $url = "http://api.wunderground.com/api/7d5339867b063fd0/geolookup/conditions/q/UK/".$area.".json";
    ?>

    <script>

    jQuery(document).ready(function($) {
      $.ajax({
     url : "<?=$url?>",
    dataType : "jsonp",
    success : function(parsed_json) {
    var location = parsed_json['location']['city'];
    var temp_f = parsed_json['current_observation']['temp_f'];
    alert("This is an example of a web service outputting using Json. The current temperature in " + location + " is: " + temp_f);
    }
    });
    });

    </script>

答案 2 :(得分:1)

url : "<?php print $url ?>",

答案 3 :(得分:1)

使用json_encode()

var jsVar = <?=json_encode($phpVar)?>;

或在你的情况下:

$.ajax({
    url: <?=json_encode($url)?>,
    dataType: "jsonp"
    // ...
});

这是最安全的方法,适用于任何数据(数组等)。