更新数据库而不重新加载页面

Dan*_*Dan 0 javascript php mysql ajax

我刚从Sandeepan得到了一些很棒的帮助,谢谢!

请任何人都能看到我做错了....

<head>
<script type="text/javascript" src="jquery-1.4.2.js"></script>
<script type="text/javasript">

function addItemToUsersList(itemId)
{
  $.ajax({
      'url': 'member-bucketadd-execTEST.php', 
       'type': 'GET',
      'dataType': 'json', 
      'data': {itemid: itemId}, 
       'success': function(data) 
       {
           if(data.status)
           {
               if(data.added)
                {
                        $("span#success"+itemId).attr("innerHTML","Item added to your personal list");
                 }
                 else
                 {
                        $("span#success"+itemId).attr("innerHTML","This item is already on your list");
                }
            }
       },
       beforeSend: function() 
         {
               $("span#success"+itemId).attr("innerHTML","Adding item to your bucketlist...");
         }
          'error': function(data) 
          {
          // what happens if the request fails.
            $("span#success"+itemId).attr("innerHTML","An error occureed");
        }
});
                  }
     </script>

</head>
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然后按下按钮激活以下功能:

   <a onclick='addItemToUsersList("<?php echo $itemid ; ?>")'> Add<img src='images/plus-green.png' /> </a>
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和exec页面:

<?php 

if($bucketlist < 1) 
 {
    mysql_query("INSERT INTO membersbuckets (memberbucketid, userid, bucketid, complete)
    VALUES ('', '$userid', '$_GET['itemId]', '0')");
        return json_encode(array("status" => true, "added" => true));
 }
 else
 {
        return json_encode(array("status" => true, "added" => false));
 }



//echo "You are being directed to your bucket list, please wait a few moments...<meta http-equiv='Refresh' content='2; URL=mybucketlist.php'/>";
?> 
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链接显示为链接,但单击它们时没有任何反应!这是我正在研究的测试页面http://olbl.co.uk/showbucketsTEST.php 提前谢谢!

Dav*_*ith 5

这是我如何弄明白的.打开Firebug,在Firefox中打开页面.打开"控制台".

如果这是一个Javascript错误,你会看到它.Firebug也显示ajax流量,因此您可以打开ajax请求并查看是否出现服务器错误.