php使用post动态选择头像和js事件动态改变头像

2019-11-14 14:47:54

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<html><head>    <meta http-equit="Content-type" content="text/html" charset="utf-8">    <title>动态选择头像logo</title>    <script type="text/javascript">        function check(obj){            $("showImage").src = obj.value;        }        function $(obj){            return document.getElementById(obj);        }    </script></head><body><?php    echo '<img src="'.$_POST['mylogo'].'" style="padding:10px;">';?>    <img id="showImage" src="1.png" style="padding:10px;">    <br>    <form action="" method="post">        <select name="mylogo" id="id_logo" onchange="check(this)">            <option value="1.png">1.png</option>            <option value="2.png">2.png</option>        </select>        <input type="submit" name="submit" title=""/>    </form></body></html>