我正在从动态 html 表中将数据导出到 CSV。
然而,这会导致一些问题,因为有时数据具有控制字符等。
如果可能的话,我需要把所有这些都去掉或变得“友好”吗?
我不知道该怎么做,所以有人可以帮忙吗?
这是我的脚本:
<textarea name="siteurl" rows="10" cols="50">
<?php //Check if the form has already been submitted and if this is the case, display the submitted content. If not, display 'http://'.
echo (isset($_GET['siteurl']))?htmlspecialchars($_GET['siteurl']):"http://";?>
</textarea><br>
<input type="submit" value="Submit">
</form>
</div>
<div id="nofloat"></div>
<table class="metadata" id="metatable_1">
<?php
error_reporting(E_ALL);
//ini_set( "display_errors", 0);
function parseUrl($url){
//Trim whitespace of the url to ensure proper checking.
$url = trim($url);
//Check if a protocol is specified at the beginning of the url. If it's not, prepend 'http://'.
if (!preg_match("~^(?:f|ht)tps?://~i", $url)) {
$url = "http://" . $url;
}
//Check if '/' is present at the end of the url. If not, append '/'.
if (substr($url, -1)!=="/"){
$url .= "/";
}
//Return the processed url.
return $url;
}
//If the form was submitted
if(isset($_GET['siteurl'])){
//Put every new line as a new entry in the array
$urls = explode("\n",trim($_GET["siteurl"]));
//Iterate through urls
foreach ($urls as $url) {
//Parse the url to add 'http://' at the beginning or '/' at the end if not already there, to avoid errors with the get_meta_tags function
$url = parseUrl($url);
//Get the meta data for each url
$tags = get_meta_tags($url);
//Check to see if the description tag was present and adjust output accordingly
$tags = NULL;
$tags = get_meta_tags($url);
if($tags)
echo "<tr><td>Description($url)</td><td>" .$tags['description']. "</td></tr>";
else
echo "<tr><td>Description($url)</td><td>No Meta Description</td></tr>";
}
}
?>
</table>
<script type="text/javascript">
var exportTable1=new ExportHTMLTable('metatable_1');
</script>
<div>
<input type="button" onclick="exportTable1.exportToCSV()" value="Export to CSV"/>
<input type="button" onclick="exportTable1.exportToXML()" value="Export to XML"/>
</div>
</body>