本帖最后由 LanFavourite 于 2012-06-24 02:33:47 编辑

解决方案 »

  1.   

    楼主,据我所知,[align=center]
    在IE中是不能作为html元素的父级存在的。
      

  2.   


    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
        <title>无标题文档</title>
        <style>
            #ul1
            {
                background: white;
                margin: 0px;
                padding: 0px;
                width: 500px;
                height: 300px;
                border: 1px solid black;
                overflow: hidden;
            }
            li
            {
                border-bottom: 1px dashed #CCC;
                padding: 15px 10px 3px 10px;
                margin: 0px;
                list-style: none;
            }
        </style>    <script type="text/javascript">
            var arr = ['洗脸也能抽筋??', '好冷啊', '一口气睇晒 《碟影重重》三部,头痛痛。一如既往地喜欢特务男,哈哈,有脑有身手', '我靠近你,不是因为你什么都好,不是因为你能给我一个安心而不错的未来,不是因为你是我的老公,不是因为我觉得我们肯定这一辈子会这样好好走下去,不是因为再找一段感情代价太大,而是因为,我爱你,我觉得看到你,就会心动。', '我承认我是个没有鼓励就没有动力的人,缺乏太多毅力。等过了这个冬天。也许我真的能把自己的心收拾干净。空出心里最重要的位置。给自己未来的新娘。剩下的空间,全是梦想,家庭和朋友。'];
            var t = setInterval(f_timer, 2000);
            function f_timer() {
                var sTxt = arr.shift();
                createDom(sTxt);
                arr.push(sTxt);
            }        var bPause = false;
            var isCancel = false;
            function startMove(obj, attr, iTarget, fnMoveEnd) {
                if (obj.timer) {
                    clearInterval(obj.timer);
                }
                obj.timer = setInterval(function() {
                    if (bPause) {
                        clearInterval(t);
                        isCancel = true;
                        return;
                    } else {
                        if (isCancel)
                        { t = setInterval(f_timer, 2000); isCancel = false; }
                    }
                    doMove(obj, attr, iTarget, fnMoveEnd);
                }, 30)
            };
            function getAttr(obj, attr) {
                if (obj.currentStyle) {
                    return obj.currentStyle[attr];
                }
                else {
                    return document.defaultView.getComputedStyle(obj, false)[attr];
                }
            }
            function doMove(obj, attr, iTarget, fnMoveEnd) {
                var iSpeed = 0;
                var weizhi = 0;
                if (attr == "opacity") {
                    weizhi = parseFloat(getAttr(obj, "opacity"));
                }
                else {
                    weizhi = parseFloat(getAttr(obj, attr))
                }
                if (Math.abs(iTarget - weizhi) < 1 / 100) {
                    clearInterval(obj.timer);
                    obj.timer = null;
                    if (fnMoveEnd) {
                        fnMoveEnd();
                    }
                }
                else {
                    iSpeed = (iTarget - weizhi) / 8;
                    if (attr == "opacity") {
                        obj.style.filter = "alpha(opacity:" + (weizhi + iSpeed) * 100 + ")";
                        obj.style.opacity = weizhi + iSpeed;
                    }
                    else {
                        iSpeed = iSpeed > 0 ? Math.ceil(iSpeed) : Math.floor(iSpeed);
                        obj.style[attr] = weizhi + iSpeed + "px";
                    }
                }
            };
            function leaveMessage() {
                var oText = document.getElementById("txt1");
                createDom(oText.value);
                oText.value = "";
            };
            function createDom(sTxt) {
                var oUl = document.getElementById("ul1");
                var aLi = oUl.getElementsByTagName("li");
                var oLi = document.createElement("li");
                            var iHeight = 50;
                oLi.innerHTML = sTxt;
                oLi.style.filter = "alpha(opacity:0)";
                oLi.style.opacity = 0;            if (aLi.length) {
                    oUl.insertBefore(oLi, aLi[0]);
                }
                else {
                    oUl.appendChild(oLi);
                }            //开始运动
                iHeight = oLi.offsetHeight;
                oLi.style.height = "50px";
                oLi.style.overflow = 'hidden';
                startMove(oLi, "height", iHeight, function() {
                    startMove(oLi, "opacity", 1)
                })
                oUl.onmouseover = function() {
                    bPause = true;
                };
                oUl.onmouseout = function() {
                    bPause = false;
                }
            };
        </script></head>
    <body>
        <ul id="ul1">
        </ul>
    </body>
    </html>