Ajax call VERY SLOW with PHP
Ajax call VERY SLOW with PHP
我正在使用Ajax加载带有Twitter Bootstrap选项卡的div中另一个页面的内容,但Ajax加载页面的时间太长
没有Ajax页面加载速度非常快!
ajax调用中加载的页面:28.743376016617 ms
无ajax加载的页面:0.00022506713867188 ms
这是ajax调用的代码:
$(function() {
$("#MainTabs").tab();
$("#MainTabs").bind("show", function(e) {
var contentID = $(e.target).attr("data-target");
var contentURL = $(e.target).attr("href");
if (typeof(contentURL) != 'undefined')
$(contentID).html('<img src="<?php echo IMG_DIR; ?>loading/loading-large.gif" width="64" />').load(contentURL, function(){
$("#MainTabs").tab();
});
else
$(contentID).tab('show');
});
$('#MainTabs a:first').tab("show");
});
这是一个PHP代码:
<?php
$start = microtime(TRUE); // Start counting
ob_start();
session_start();
$temp = microtime(TRUE) - $start;
echo $temp;
exit;
/*
* Here is the rest of the contents of the script, so I gave the 'exit' and even with the exit delay it that way!
*/
有人知道发生了什么事以及如何帮助我吗?PHP代码非常简单,而且耗时太长!
谢谢!
您的Ajax是否从需要时间才能生成html的后端加载html?
如果没有Ajax,加载的数据就会减少,所以它的运行速度很快。
如果加载的数据不太常见,则通过异步脚本进行加载。页面加载几秒钟后加载ajaxdiv。
-
如果加载需要很长时间,请取消ajax请求。
$(document).ready( var xhr; var fn = function(){ if(xhr && xhr.readyState != 4){ xhr.abort(); } xhr = $.ajax({ url: 'ajax/progress.ftl', success: function(data) { //do something } }); }; var interval = setInterval(fn, 500);
);
请使用.ajax()调用而不是.load().
试试这个:
$(contentID).html('<img src="<?php echo IMG_DIR; ?>loading/loading-large.gif" width="64" />');
$(contentID).ajax(
url: contentURL,
type: "GET",//or POST
success: function(data){
$(contentID).html(data);
console.log(data);//it will show the error log if any [optional]
}
});
请在此处查看ajax调用
我遇到了同样的问题,在添加标题后:
header("Content-Length: xxx")
它工作得很快。
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