<form action="/statics/demosource/demo_post_enctype.php" method="post"> First name: <input type="text" name="fname"><br> <input type="submit" value="提交"> <input type="submit" formenctype="multipart/form-data" value="以Multipart/form-data提交"> </form> <p><strong>注意:</strong> Internet Explorer 9及更早IE版本不支持input标签的 formenctype 属性。</p>