我有麻煩的屬性從地圖內。例如下面獲得使用PHP
<area shape="poly" class="areaSelect" coords="475,241,495,220,515,215,531,226,534,262,530,290,493,307,472,287" href="http://www.someURL" title="Area Title" alt="Link Title"/>
我一直在使用simple_html_dom.php來檢索頁面的其他元素XHTML地圖區域COORDS。任何幫助將不勝感激。正如我一直在繞過這個，我嘗試了使用Xpath並加載XHTML文件，但是當我嘗試獲得這些座標時，我只有42個「DOMAttr Object（）」的情況，地圖上有42個區域，但.. .... 幫幫我！
好的，我會盡力爲任何想做類似事情的人提供儘可能多的細節。
這是一個快速示例文件。
<!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=utf-8" />
<title>Untitled Document</title>
<style>
body{font:Arial, Helvetica, sans-serif;}
</style>
</head>
<body>
<div class="title" style="font-size: 14px; color: #009"><h2>Get any information</h2> </div>
<div id="image-holder">
<img src="http://mrg.bz/sb3gG9" alt="microchips" width="496px" height="343px" border="0" usemap="#MicroChips"/>
<map name="MicroChips" id="MicroChips2">
<area class="areaSelect" shape="poly" coords="46,91,157,43,217,106,101,159" href="http://www.someplace.com" title="Main Chip" alt="Main Chip" />
</map>
<div id="body" style="width:496px">
<p>This is to demonstrate how to get as much out of a file as possible. Well a least some of it anyway.</p>
<p>Here is another paragraph to show how to get multiple items</p>
</div>
</div>
</body>
</html>
好吧，現在這裏是PHP。您需要下載'PHP Simple HTML DOM Parser'並將其加載到您的測試服務器上。以便您可以訪問其他功能。
<?php
include('simple_html_dom.php'); //Load/include the PHP Simple HTML DOM Parser
$html = file_get_html('http://www.YourServer.com/test.html'); // Load your html file
// create a series of variables to call on later
$imgtitle = $html->find('div.title', 0)->plaintext; //here we reference the HTML file, and find the div with the class "title" and display it as plaintext
// ok for some reason and hopefully someone out there can add why
// I had to reference the fist instance of each element here
// referenced as the ',0' in each case.
// here you can see we search for the div 'image-holder'
// and then search in that div for the first image and save it to a variable
$imageurl = $html->find('#image-holder',0)->find('img',0);
// here we target the image scr, width, height, style, alt, border and usemap and assign them to variables
$imagesrc = $imageurl->src;
$imageWidth = $imageurl->width;
$imageHeight = $imageurl->height;
$imageStyle = $imageurl->style;
$imageAlt = $imageurl->alt;
$imageBrd = $imageurl->border;
$imageUsemap = $imageurl->usemap;
$map = $html->find('map',0); // here we look for the map and assign it to a variable
// here we target the map ID and Name and usemap and assign them to variables
$mapID = $map->id;
$mapName = $map->name;
// we assigned a class to the map areas to find them easier
$imgmaparea = $html->find('.areaSelect');
// ok although the example only has one map area this will find multiple
// areas and print them on the screen using the 'foreach' function
foreach ($imgmaparea as $value){
$areaShape = $value->shape;
$areaCoords = $value->coords;
$areaHref = $value->href;
$areaTitle = $value->title;
$areaAlt = $value->alt;
// print them on the screen
echo 'Shape: '.$areaShape. '<br>';
echo 'Coords: '.$areaCoords. '<br>';
echo 'Href: '.$areaHref. '<br>';
echo 'Title: '.$areaTitle. '<br>';
echo 'Alt: '.$areaAlt. '<br>';
}
// print them on the screen
echo 'name: '.$mapName. '<br>';
echo 'Id: '.$mapID. '<br>';
echo 'filename: '.$filename. '<br>';
echo 'Src: '.$imagesrc. '<br>';
echo 'Width: '.$imageWidth. '<br>';
echo 'Height: '.$imageHeight. '<br>';
echo 'Style: '.$imageStyle. '<br>';
echo 'Alt: '.$imageAlt. '<br>';
echo 'Usemap: '.$imageUsemap. '<br>';
?>
我試圖徹底解釋，但如果任何人有任何問題或建議，我會很高興在這裏他們
你需要得到COORDS的所有值，是嗎？ –
謝謝Tuga，但這個地方是純粹的靈感。我已經搜索了最近兩天試圖解決這個問題。當我發佈這個問題的時候，我偶然發現了一些能夠給我答案的東西。我會稍後將解決方案發布到我自己的問題上。我應該在幾年前加入這裏，這會爲我節省大量頭痛。 – apeitup
解決方案是使用DomDocument？ :) –