织梦怎么让文章中图片自动添加ALT属性

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;
     }