JSON
昨天写一个功能:点击手机验证的同时获取json端的数据。
javascript代码如下:
$(".check_mobile").click(function(){var mobile = $('.mobile').val();$.getJSON("http://www.test.com/user.php?mobile="+mobile+"&format=json&jsoncallback=?", function(data){if (data.succ == 1) {var html = "";$(".r_m").append(ht<em style="color:transparent">本文来源[email protected]搞@^&代*@码)网9</em><strong>搞代gaodaima码</strong>ml);}});});
user.php代码如下:
'石家庄','cityid' =>'1','community' =>'紫晶悦城','communityid'=>'1');$sucess = 1;$return = array('succ' =>$sucess,'data' => $user);}else {$sucess = 2;$return = array('succ' =>$sucess);}echo json_encode($return);}?>
相应如下:
问题出来了:
在火狐浏览器中: SyntaxError: missing ; before statement
解决方法如下:
header("Access-Control-Allow-Origin:http:www.test.com");$b = json_encode($return);echo "{$_GET['jsoncallback']}({$b})";exit;
最后完整代码:
'石家庄','cityid' =>'1','community' =>'紫晶悦城','communityid'=>'1');$sucess = 1;$return = array('succ' =>$sucess,'data' => $user);}else {$sucess = 2;$return = array('succ' =>$sucess);}$b = json_encode($return);echo "{$_GET['jsoncallback']}({$b})";exit;}?>
如果在 PHP 中少了 header(“Access-Control-Allow-Origin:http:www.test.com”); 代码,则会出现
XMLHttpRequest cannot load ”. No ‘Access-Control-Allow-Origin’ header is present on the requested resource. Origin ‘ ‘ is therefore not allowed access.
如果少了 echo “{$_GET[‘jsoncallback’]}({$b})”; 代码
在谷歌浏览器中:Uncaught SyntaxError: Unexpected token :
在火狐浏览器中:SyntaxError: missing ; before statement