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非常不错的不间断循环滚动类 兼容多浏览器
<html> <head> <title>效果演示</title> </head> <body> <h3>建立图层</h3> <div id="sampleDiv" style="font-size: 12px; line-height: 20px;"> 当然你不需要像上面这样全部写出来，你只要修改必要的参数就行了 。如果你使用了第一种方法来创建滚动区域，但是又在后面用这种方式修改过了，则以后面的为准 。 </div> <h3>然后调用脚本文件</h3> <script type="text/javascript"> function scrollingAD(_id, _width, _height, _bgColor, _direction, _delay, _pauseTime, _size, _isHover) { this.id = _id; this.width = _width; this.height = _height; this.bgColor = _bgColor; this.direction = _direction; this.delay = _delay; this.pauseTime = _pauseTime; this.size = _size; this.object = null; this.isMove = true; if((this.id == "") || (this.id == null)) { alert("必须输入对象的 ID 才能创建滚动区域！"); this.isMove = false; return false; } if(document.getElementById(this.id)) { this.object = document.getElementById(this.id); } else { window.alert("滚动区域创建失败！\n请确认 " + this.id + " 是否拼写错误 。"); this.isMove = false; return false; } } scrollingAD.prototype.checkNumber = function(_attribute, defaultValue) { if(isNaN(_attribute)) { return defaultValue; } else { return ((typeof(parseInt(_attribute)) == "number") ? parseInt(_attribute) : defaultValue); } } scrollingAD.prototype.move = function() { if(this.isMove == false) return false; var defaultWidth = 200; var defaultHeight = 50; var defaultDelay = 20; var defaultPauseTime = 2000; var defaultIsHover = true; var defaultBgColor = "transparent"; var defaultDirection = "up"; this.width = this.checkNumber(this.width, defaultWidth); this.height = this.checkNumber(this.height, defaultHeight); this.delay = this.checkNumber(this.delay, defaultDelay); this.pauseTime = this.checkNumber(this.pauseTime, defaultPauseTime); this.isHover = (typeof(this.isHover) == "boolean") ? this.isHover : defaultIsHover; if(this.direction == "left") { this.size = this.checkNumber(this.size, this.width); } else { this.size = this.checkNumber(this.size, this.height); } if((this.bgColor == null) || (typeof(this.bgColor) == undefined)) { this.bgColor = defaultBgColor; } else { this.bgColor = this.bgColor; } if((this.direction == null) || (typeof(this.direction) == undefined)) { this.direction = defaultDirection; } else { this.direction = (this.direction.search(/(^up$)|(^left$)/gi) != -1) ? this.direction.toLowerCase() : defaultDirection; } // 创建滚动区域； with(this.object) { style.display = "block"; style.width = this.width + "px"; style.height = this.height + "px"; style.overflow = "hidden"; style.backgroundColor = this.bgColor; } if(this.direction == "up") { this.object.innerHTML = "<div id=\"" + this.id + "_mirror\">" + this.object.innerHTML + "</div>" + "<div>" + this.object.innerHTML + "</div><input type=\"hidden\" value=\"1\" id=\"" + this.id + "_isHover\" />"; } else { this.object.innerHTML = "<span id=\"" + this.id + "_mirror\">" + this.object.innerHTML + "</span>" + "<span>" + this.object.innerHTML + "</span><input type=\"hidden\" value=\"1\" id=\"" + this.id + "_isHover\" />"; } if(document.getElementById(this.id)) { var evalString; if(this.direction == "up") { evalString = "scrollToUp(\"" + this.id + "\", " + this.isHover + ", " + this.delay + ", " + this.size + ", " + this.pauseTime + ", 0) "; } else { evalString = "scrollToLeft(\"" + this.id + "\", " + this.isHover + ", " + this.delay + ", " + this.size + ", " + this.pauseTime + ", 0) "; } eval(evalString); } else { return false; } function pixelToNum(_string) { //该函数用于去掉数值后面的px，并将之转化为数字 。 if(_string.slice(_string.length - 2) == "px") { return parseInt(_string.slice(0, (_string.length - 2))); } else { return _string; } } function scrollToLeft(_id, _isHover, _delay, _size, _pauseTime, _s) { var obj = document.getElementById(_id); var mirror = document.getElementById(_id + "_mirror"); if(_size*(1 + parseInt(_s)) + pixelToNum(mirror.style.marginLeft) >= 0) { var evalString =_id + "_timer = window.setTimeout(function() {scrollToLeft(\"" + _id + "\", " + _isHover + ", " + _delay + ", " + _size + ", " + _pauseTime + ", " + _s + ");}, " + _delay + ")"; if(_isHover) { mirror.onmouseover = function() {document.getElementById(_id + "_isHover").value = 0;} mirror.onmouseout = function() {document.getElementById(_id + "_isHover").value = 1;} var step = parseInt(document.getElementById(_id + "_isHover").value); mirror.style.marginLeft = (pixelToNum(mirror.style.marginLeft) - step) + "px"; eval("var " + evalString); } else { mirror.style.marginLeft = (pixelToNum(mirror.style.marginLeft) - 1) + "px"; eval("var " + evalString); } } else { if(mirror.offsetWidth + pixelToNum(mirror.style.marginLeft) >= 0) { _s += 1; window.setTimeout(function() {scrollToLeft(_id, _isHover, _delay, _size, _pauseTime, _s)}, _pauseTime); } else { mirror.style.marginLeft = mirror.offsetWidth + pixelToNum(mirror.style.marginLeft) + "px";; window.setTimeout(function() {scrollToLeft(_id, _isHover, _delay, _size, _pauseTime, 0)}, _pauseTime); } } } function scrollToUp(_id, _isHover, _delay, _size, _pauseTime, _s) { var obj = document.getElementById(_id); var mirror = document.getElementById(_id + "_mirror"); if(_size*(1 + parseInt(_s)) + pixelToNum(mirror.style.marginTop) >= 0) { var evalString =_id + "_timer = window.setTimeout(function() {scrollToUp(\"" + _id + "\", " + _isHover + ", " + _delay + ", " + _size + ", " + _pauseTime + ", " + _s + ");}, " + _delay + ")"; if(_isHover) { mirror.onmouseover = function() {document.getElementById(_id + "_isHover").value = 0;} mirror.onmouseout = function() {document.getElementById(_id + "_isHover").value = 1;} var step = parseInt(document.getElementById(_id + "_isHover").value); mirror.style.marginTop = (pixelToNum(mirror.style.marginTop) - step) + "px"; eval("var " + evalString); } else { mirror.style.marginTop = (pixelToNum(mirror.style.marginTop) - 1) + "px"; eval("var " + evalString); } } else { if(mirror.offsetHeight + pixelToNum(mirror.style.marginTop) >= 0) { _s += 1; window.setTimeout(function() {scrollToUp(_id, _isHover, _delay, _size, _pauseTime, _s)}, _pauseTime); } else { mirror.style.marginTop = mirror.offsetHeight + pixelToNum(mirror.style.marginTop) + "px";; window.setTimeout(function() {scrollToUp(_id, _isHover, _delay, _size, _pauseTime, 0)}, _pauseTime); } } } } </script> <h3>最后建立滚动区域</h3> <script type="text/javascript"> // <![CDATA[ var sampleDiv = new scrollingAD("sampleDiv"); sampleDiv.width = 200; sampleDiv.height = 20; sampleDiv.bgColor = "yellow"; sampleDiv.move(); // ]]> </script> <p>如果脚本报错，可能是因为我的网站速度连接太慢的原因，只要刷新一下页面就行了 。</P><br><INPUT onclick=runEx('runcode') type=button value=运行代码 /><br> </span> </td> </tr> </table> <br> </div> <div id="st-right" class="col-lg-wide-25 col-xs-1 padding-0 hidden-xs" style="height:100%;"><br> <table width="300" border="0" cellspacing="5" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td> <div align="CENTER">技术文章快速查找</div> </td> </tr> </table> <table width="300" border="0" cellspacing="1" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td bgcolor="#FFFFFF"> <table width="98%" border="0" cellspacing="0" cellpadding="2" class="unnamed1" 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