PHP 404判断 与 js 404判断
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2022-04-24 18:03:28
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PHP 404判断 与 js 404判断
php判断404:
$url = home_url()."/wp-content/themes/twentythirteen/pic/".$result['pic']; $headers = @get_headers($url); if(strpos($headers[0],'404') ) { $url=home_url()."/wp-content/themes/twentythirteen/pic/default.png"; }
js判断404:
var pic_url ="/wp-content/themes/twentythirteen/pic/"+data[i].pic; $.ajax({ url:pic_url, error:function(xhr, error, ex){ if (xhr.status == '404') { pic_url = "/wp-content/themes/twentythirteen/pic/default.png"; } }, success:function(){ pic_url = pic_url; } });
js判断404,要通过ajax......
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