dedecms让文章中图片自动添加ALT属性代码教程

打开/include/extend.func.php文件。在最下面加入: //文章body优化替换 function replaceurl($newurl) { global $dsql,$id; //获取图片附加表imgurls字段内容进行处 $row = $dsql->GetOne("SELECT title FROM dede_archives where id=$id"); //替换图片Alt为文档标题 $newurl=str_ireplace(array('alt=""','alt=/'/''),'',$newurl); $newurl=preg_replace("@ [/s]{0,}alt[/s]{0,}=[/"'/s]{0,}[/s/S]{0,}[/"'/s] @isU"," ",$newurl); $newurl=str_ireplace("<img " ,"<img alt=/"".$row['title']."/"",$newurl); //去掉结尾空格 $newurl=str_ireplace(" /","/",$newurl); $newurl=str_ireplace(" />","/>",$newurl); return $newurl; }

前端调用代码：{dede:field.body function=’replaceurl(@me)’/}需要图片中的style width height属性就把上面代码修改成下面的代码 //文章body优化替换 function replaceurl($newurl) { global $dsql,$id; //获取图片附加表imgurls字段内容进行处 $row = $dsql->GetOne("SELECT title FROM dede_archives where id=$id"); //去掉img的width和height $newurl=preg_replace('/style=/"width/:(.*)/"/','',$newurl); //替换图片Alt为文档标题 $newurl=str_ireplace(array('alt=""','alt=/'/''),'',$newurl); $newurl=preg_replace("@ [/s]{0,}alt[/s]{0,}=[/"'/s]{0,}[/s/S]{0,}[/"'/s] @isU"," ",$newurl); $newurl=str_ireplace("<img " ,"<img alt=/"".$row['title']."/"",$newurl); //去掉结尾空格 $newurl=str_ireplace(" /","/",$newurl); $newurl=str_ireplace(" />","/>",$newurl); return $newurl; }