如何从asp.net mvc3中的facebook之类的URL中提取数据? [英] how to extract data from url like facebook in asp.net mvc3?
问题描述
有没有办法像facebook一样从URL提取数据?
Is there any way to extract data from url like facebook does?
我引用了许多链接，但这是使用php代码.这- http://www.99points.info/2010/07/facebook-like-extracting-url-data-with-jquery-ajax-php/
I refered many links but this is using php code. This- http://www.99points.info/2010/07/facebook-like-extracting-url-data-with-jquery-ajax-php/
http://www.9lessons. info/2010/06/facebook-like-extracting-url-data-with.html
www.webinfopedia.com/extract-meta-data-from-url-using-php.html
www.webinfopedia.com/extract-meta-data-from-url-using-php.html
我想这样实现.我如何在asp.net mvc3应用程序中实现这一点?
I want to implement like this. how can i implement this in my asp.net mvc3 application?
我刚刚引用了这个-www.achari.in/facebook-like-url-data-extract-using-jquery 在这种情况下，我不了解他们在php代码中所做的事情， 谁能解释这段代码，他们在这方面做了什么?
I just refered this -www.achari.in/facebook-like-url-data-extract-using-jquery in this i dont understand what they have done in php code, can anyone explain this code, what they have done in this?
在此， 具有index.php文件
In this, index.php file having
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>achari.in - Demo - Facebook Like URL data Extract Using jQuery PHP and Ajax</title>
<link rel="stylesheet" href="css/style.css" type="text/css">
<script type="text/javascript" src="js/jquery-1.2.6.min.js"></script>
<script type="text/javascript" src="js/jquery.livequery.js"></script>
<script type="text/javascript" src="js/jquery.watermarkinput.js"></script>
</head>
<script type="text/javascript">
$(document).ready(function(){
// delete event
$('#attach').livequery("click", function(){
if(!isValidURL($('#url').val()))
{
alert('Please enter a valid url.');
return false;
}
else
{
$('#load').show();
$.post("includes/fetch.php?url="+$('#url').val(), {
}, function(response){
$('#loader').html($(response).fadeIn('slow'));
$('.images img').hide();
$('#load').hide();
$('img#1').fadeIn();
$('#cur_image').val(1);
});
}
});
// next image
$('#next').livequery("click", function(){
var firstimage = $('#cur_image').val();
$('#cur_image').val(1);
$('img#'+firstimage).hide();
if(firstimage <= $('#total_images').val())
{
firstimage = parseInt(firstimage)+parseInt(1);
$('#cur_image').val(firstimage);
$('img#'+firstimage).show();
}
});
// prev image
$('#prev').livequery("click", function(){
var firstimage = $('#cur_image').val();
$('img#'+firstimage).hide();
if(firstimage>0)
{
firstimage = parseInt(firstimage)-parseInt(1);
$('#cur_image').val(firstimage);
$('img#'+firstimage).show();
}
});
// watermark input fields
jQuery(function($){
$("#url").Watermark("http://");
});
jQuery(function($){
$("#url").Watermark("watermark","#369");
});
function UseData(){
$.Watermark.HideAll();
$.Watermark.ShowAll();
}
});
function isValidURL(url){
var RegExp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;
if(RegExp.test(url)){
return true;
}else{
return false;
}
}
function confirmQuit()
{
var response = confirm('do you wish to close window !');
if(response === true)
{
return true;
}
else {
return false;
}
}
</script>
<body>
<div align="center">
<br clear="all" /><br clear="all" />
<div style="font-size:30px;">Facebook Like URL data Extract Using jQuery PHP and Ajax</div>
<br clear="all" />
<a style="color:#000000; font-size:14px" href="#">Back To Tutorial</a>
<br clear="all" />
<input type="hidden" name="cur_image" id="cur_image" />
<div class="wrap" align="center">
<div class="box" align="left">
<div class="head">Link</div>
<div class="close" align="right">
<div class="closes" onclick="if(confirmQuit() == true) { window.close(); }"></div>
</div>
<br clear="all" /><br clear="all" />
<input type="text" name="url" size="64" id="url" />
<input type="button" name="attach" value="Attach" id="attach" />
<br clear="all" />
<div id="loader">
<div align="center" id="load" style="display:none"><img src="images/load.gif" /></div>
</div>
<br clear="all" />
</div>
</div>
</div>
<br clear="all" />
</body>
</html>
以上代码是ui的一部分
above code is ui part and
fetch.php
<?php
$url = $_REQUEST['url'];
$url = checkValues($url);
function checkValues($value)
{
$value = trim($value);
if (get_magic_quotes_gpc())
{
$value = stripslashes($value);
}
$value = strtr($value, array_flip(get_html_translation_table(HTML_ENTITIES)));
$value = strip_tags($value);
$value = htmlspecialchars($value);
return $value;
}
function fetch_record($path)
{
$file = fopen($path, "r");
if (!$file)
{
exit("Problem occured");
}
$data = '';
while (!feof($file))
{
$data .= fgets($file, 1024);
}
return $data;
}
$string = fetch_record($url);
/// fecth title
$title_regex = "/<title>(.+)<\/title>/i";
preg_match_all($title_regex, $string, $title, PREG_PATTERN_ORDER);
$url_title = $title[1];
/// fecth decription
$tags = get_meta_tags($url);
// fetch images
$image_regex = '/<img[^>]*'.'src=[\"|\'](.*)[\"|\']/Ui';
preg_match_all($image_regex, $string, $img, PREG_PATTERN_ORDER);
$images_array = $img[1];
?>
<div class="images">
<?php
$k=1;
for ($i=0;$i<=sizeof($images_array);$i++)
{
if(@$images_array[$i])
{
if(@getimagesize(@$images_array[$i]))
{
list($width, $height, $type, $attr) = getimagesize(@$images_array[$i]);
if($width >= 50 && $height >= 50 ){
echo "<img src='".@$images_array[$i]."' width='100' id='".$k."' >";
$k++;
}
}
}
}
?>
<!--<img src="ajax.jpg" alt="" />-->
<input type="hidden" name="total_images" id="total_images" value="<?php echo --$k?>" />
</div>
<div class="info">
<label class="title">
<?php echo @$url_title[0]; ?>
</label>
<br clear="all" />
<label class="url">
<?php echo substr($url ,0,35); ?>
</label>
<br clear="all" /><br clear="all" />
<label class="desc">
<?php echo @$tags['description']; ?>
</label>
<br clear="all" /><br clear="all" />
<label style="float:left"><img src="images/prev.png" id="prev" alt="" /><img src="images/next.png" id="next" alt="" /></label>
<label class="totalimg">
Total <?php echo $k?> images
</label>
<br clear="all" />
</div>
我不了解php，所以有人可以帮助我找到此解决方案吗?
I dont know php so can anybody help me to find this solution?
在上面的代码中，他们使用了此功能
In above code they use this function
function fetch_record($path)
{
$file = fopen($path, "r");
if (!$file)
{
exit("Problem occured");
}
$data = '';
while (!feof($file))
{
$data .= fgets($file, 1024);
}
return $data;
}
有人可以告诉我这段代码到底是什么 打开文件的用途是什么，这是用来读取url索引文件的吗?
can anybody tell me what exactly in this code what is use of file open in this, is this for reading url index file??
推荐答案
很遗憾，我之前发布的页面上的链接已死，但现在已修复.
The link on the page I posted before was unfortunately dead but it is fixed now.
http://nalgorithm.wordpress.com/2011/12 /05/embedded-url-representation/
正如我在此处所述，我正在开发此工具的服务版本，以便其他Web应用程序可以仅通过(jquery)和服务调用来使用它.
As I stated there, I am working on the service version of this tool so that other webapps can make use of it just by (jquery) and a service call.
这篇关于如何从asp.net mvc3中的facebook之类的URL中提取数据?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
