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Javascript 中的 JavaScript滑移效果代码

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-12 浏览: 221 ::

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js 弹簧效果代码 javascript字符串拆分成单个字符相加和不超过10，求最终值

这里说的滑移其实就是减速效果，能根据设定的坐标平面移动。代码：

点击运行可以看到效果:

<!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>js滑移效果</title>
<script type="text/javascript">
var $ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};
function Event(e){
var oEvent = document.all ? window.event : e;
if (document.all) {
oEvent.pageX = oEvent.clientX + document.documentElement.scrollLeft;
oEvent.pageY = oEvent.clientY + document.documentElement.scrollTop;
}
return oEvent;
}
function addEventHandler(oTarget, sEventType, fnHandler) {
if (oTarget.addEventListener) {
oTarget.addEventListener(sEventType, fnHandler, false);
} else if (oTarget.attachEvent) {
oTarget.attachEvent("on" + sEventType, fnHandler);
} else {
oTarget["on" + sEventType] = fnHandler;
}
};
function removeEventHandler(oTarget, sEventType, fnHandler) {
if (oTarget.removeEventListener) {
oTarget.removeEventListener(sEventType, fnHandler, false);
} else if (oTarget.detachEvent) {
oTarget.detachEvent("on" + sEventType, fnHandler);
} else {
oTarget["on" + sEventType] = null;
}
};
var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}
Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}
var Slippage = Class.create();
Slippage.prototype = {
initialize: function(obj, options) {
this.obj = $(obj);
this._timer =null;
this._xs = this._ys = [];
this.X = parseInt(this.obj.style.left) || 0;
this.Y = parseInt(this.obj.style.top) || 0;
this.SetOptions(options);
this.Step = Math.abs(this.options.Step);
this.Time = Math.abs(this.options.Time);
this.Loop = this.options.Loop;
this.Relative = this.options.Relative;
this.SetPosition(this.options.X || [], this.options.Y || []);
},
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
Step: 10,//滑动变化率
Time: 10,//滑动延时
X: [],//x坐标变化
Y: [],//y坐标变化
Loop: false,//是否循环
Relative: true//是否相对位置
};
Object.extend(this.options, options || {});
},
//
SetPosition: function(arrX, arrY) {
if(arrX.length <= 0 && arrX.length <= 0) return false;
else if(arrX.length <= 0) arrX = [0];
else if(arrY.length <= 0) arrY = [0];
this._xs = arrX; this._ys = arrY;
if(this.Relative){
for(var i in this._xs){ if (i == 0) { this._xs[0] += this.X; } else { this._xs[i] += this._xs[i-1]; } }
for(var i in this._ys){ if (i == 0) { this._ys[0] += this.Y; } else { this._ys[i] += this._ys[i-1]; } }
}
this.Set();
},
//
Set: function() {
//当全部坐标指向同一个位置时会进入死循环
if(this._xs.length <= 0 && this._ys.length <= 0) return;
if(this._xs.length > 0) this.X = this._xs.shift();
if(this._ys.length > 0) this.Y = this._ys.shift();
if(this.Loop && this._xs.length > 0 && this._ys.length > 0) { this._xs.push(this.X);this._ys.push(this.Y); }
//$("aa").innerHTML+=this._ys.length+"=";
this.Move(this.X, this.Y);
},
//
Move: function(iX, iY) {
clearTimeout(this._timer);
var iLeft = parseInt(this.obj.style.left) || 0, iTop = parseInt(this.obj.style.top) || 0, iLeftStep = this.GetStep(iX, iLeft), iTopStep = this.GetStep(iY, iTop);
if (iLeftStep == 0 && iTopStep == 0) {
this.Set();
} else {
this.obj.style.left = (iLeft + iLeftStep) + "px"; this.obj.style.top = (iTop + iTopStep) + "px";
var oThis = this; this._timer = setTimeout(function(){ oThis.Move(iX, iY); }, this.Time);
}
},
//
GetStep: function(iTarget, iNow) {
var iStep = (iTarget - iNow) / this.Step;
if (iStep == 0) return 0;
if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1);
return iStep;
}
};
window.onload = function(){
new Slippage("idSlippage3", { X: [200,200,0,-200,-100,-100], Y: [0,0,100,-100,100,-100], Loop: true });
var oSlippage = new Slippage("idSlippage");
$("aa").onclick = function(e){ var oEvent = Event(e);oSlippage.Move(oEvent.pageX, oEvent.pageY);}
var oSlippage2 = new Slippage("idSlippage2", { Step: 1, Relative: false }),x=[],y=[];
$("bb").onmousedown = function(e){ addEventHandler(this, "mousemove", Set); }
$("bb").onmouseout = function(e){ removeEventHandler(this, "mousemove", Set); x=y=[];}
$("bb").onmouseup = function(e){ removeEventHandler(this, "mousemove", Set); oSlippage2.SetPosition(x, y);x=y=[];}
function Set(e){ var oEvent = Event(e); x.push(oEvent.pageX); y.push(oEvent.pageY); }
}
</script>
</head>
<body>
自动滑移:
<div id="cc" style="height:200px; width:500px; border:1px solid #000000; position:relative;overflow:hidden;">
<div id="idSlippage3" style="width:10px; height:10px; background:#000000; position:absolute; z-index:99; top:50px; left:50px;"> </div>
</div>
定点滑移:（鼠标点击）
<div id="aa" style="height:200px; width:500px; border:1px solid #000000; overflow:hidden;">
<div id="idSlippage" style="width:10px; height:10px; background:#000000; position:absolute; z-index:99; top:-50px; left:50px;"> </div>
</div>
定线滑移:（鼠标拖动轨迹）
<div id="bb" style="height:200px; width:500px; border:1px solid #000000; overflow:hidden;">
<div id="idSlippage2" style="width:10px; height:10px; background:#000000; position:absolute; z-index:99; top:-50px; left:50px;"> </div>
</div>
</body>
</html>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

js 弹簧效果代码 javascript字符串拆分成单个字符相加和不超过10，求最终值

Javascript 中的 JavaScript滑移效果代码

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