<form method="post" action="{:U('Custom/addmsg')}" id="massage">
                    <ul>
                        <li><input name="name" maxlength="18" type="text" placeholder="您的姓名" class="text1" /></li>
                        <li><input name="mobile" maxlength="11" type="text" placeholder="您的手机" class="text1" /></li>
                        <li><textarea name="message" maxlength="300" class="text2" placeholder="您的留言"></textarea></li>
                    </ul>
                    <input type="text" readonly value="提交" class="sub-btn message" />
                </form>

//message表单非ajax提交
    $(".message").click(function(){
        var name = $.trim($("input[name='name']").val());
        var mobile = $.trim($("input[name='mobile']").val());
        var message = $.trim($("textarea[name='message']").val());
        if(name && mobile && message){
            $("#message").submit();
    })