是否有可能来检查超时的jQuery.post（）？ [英] Is it possible to check timeout on jQuery.post()?

问题描述

我有这个code，要求从MySQL数据库的一些文件夹信息：

I have this code requesting some folder info from a mysql DB:

function gotoDir(pmcat_id, pcat_id){
    $('#slideshowContainer').html('<img class="loader" src="/javascript/ajax-loader.gif">');
    $.post("/publish/includes/content.includes/functions.slideshow.php", 
        {  updateSlideshowDir: 1, pmcat_id: pmcat_id, pcat_id: pcat_id },
        function(data){
             $('#pageSlideshow').html(data.content);
        }, "json"
    );
}

有时候POST请求超时，因为不良的互联网连接。是否有可能设置$。员额超时检查（）？例：如果$。员额（）使用更多的则X毫秒，重载的要求

Sometimes the post request times out because of bad internet connection. Is it possible to set a timeout check on $.post() ? Ex: if $.post() uses more then X ms, reload the request.

更新：好像我相貌找到了解决方法：

UPDATE: Looks like I found a solution:

function gotoDir(pmcat_id, pcat_id){
    $('#slideshowContainer').html('<img class="loader" src="/javascript/ajax-loader.gif">');
    $.ajax({
        type:"post",
        url:"/publish/includes/content.includes/functions.slideshow.php",
        data: { updateSlideshowDir: 1, pmcat_id: pmcat_id, pcat_id: pcat_id },
        dataType: "json",
        success:function(data) {
            if (data == null){
            alert('ajax failed. reloading...');
            gotoDir(pmcat_id, pcat_id);
        } else {
            $('#pageSlideshow').html(data.content);
        }
        }        
    });
}

这是一个好办法做到这一点？ ：•

Is this a OK way to do this? :S

推荐答案

$阿贾克斯你需要完成你所要求的功能：

$.ajax has all the functions you need to accomplish what you are asking for:

function gotoDir(pmcat_id, pcat_id) {
    $('#slideshowContainer').html('<img class="loader" src="/javascript/ajax-loader.gif">');
    $.ajax({
        type: "POST",
        url: "/publish/includes/content.includes/functions.slideshow.php",
        data: { updateSlideshowDir: 1, pmcat_id: pmcat_id, pcat_id: pcat_id },
        dataType: "json",
        timeout: 500, // in milliseconds
        success: function(data) {
            // process data here
        },
        error: function(request, status, err) {
            if(status == "timeout") {
                gotoDir(pmcat_id, pcat_id);
            }
        }
    });
}

请注意，您并不需要设置的超时的选择，除非你希望以后在特定时间的您的要设定触发错误的方法。

Please note that you don't need to set the timeout option unless you want to trigger the error method after a specific time you want to set.

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