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分享急。我找了一个JavaScript 滑动条效果在将代码放入aspx文件中就不能用了
如题：
代码如下
<!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>JavaScript 滑动条效果</title>
</head>
<body>
<script>
var isIE = (document.all) ? true : false;
var $ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
create: function() {
return function() { this.initialize.apply(this, arguments); }
}
}
var Extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
}
var Bind = function(object, fun) {
var args = Array.prototype.slice.call(arguments).slice(2);
return function() {
return fun.apply(object, args);
}
}
var BindAsEventListener = function(object, fun) {
return function(event) {
return fun.call(object, Event(event));
}
}
function Event(e){
var oEvent = isIE ? window.event : e;
if (isIE) {
oEvent.pageX = oEvent.clientX + document.documentElement.scrollLeft;
oEvent.pageY = oEvent.clientY + document.documentElement.scrollTop;
oEvent.preventDefault = function () { this.returnValue = false; };
oEvent.detail = oEvent.wheelDelta / (-40);
oEvent.stopPropagation = function(){ this.cancelBubble = true; };
}
return oEvent;
}
var CurrentStyle = function(element){
return element.currentStyle || document.defaultView.getComputedStyle(element, null);
}
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;
}
};
//滑动条程序
var Slider = Class.create();
Slider.prototype = {
//容器对象，滑块
initialize: function(container, bar, options) {
this.Bar = $(bar);
this.Container = $(container);
this._timer = null;//自动滑移的定时器
this._ondrag = false;//解决ie的click问题
//是否最小值、最大值、中间值
this._IsMin = this._IsMax = this._IsMid = false;
//实例化一个拖放对象，并限定范围
this._drag = new Drag(this.Bar, { Limit: true, mxContainer: this.Container,
onStart: Bind(this, this.DragStart), onStop: Bind(this, this.DragStop), onMove: Bind(this, this.Move)
});
this.SetOptions(options);
this.WheelSpeed = Math.max(0, this.options.WheelSpeed);
this.KeySpeed = Math.max(0, this.options.KeySpeed);
this.MinValue = this.options.MinValue;
this.MaxValue = this.options.MaxValue;
this.RunTime = Math.max(1, this.options.RunTime);
this.RunStep = Math.max(1, this.options.RunStep);
this.Ease = !!this.options.Ease;
this.EaseStep = Math.max(1, this.options.EaseStep);
this.onMin = this.options.onMin;
this.onMax = this.options.onMax;
this.onMid = this.options.onMid;
this.onDragStart = this.options.onDragStart;
this.onDragStop = this.options.onDragStop;
this.onMove = this.options.onMove;
this._horizontal = !!this.options.Horizontal;//一般不允许修改
//锁定拖放方向
this._drag[this._horizontal ? "LockY" : "LockX"] = true;
//点击控制
addEventHandler(this.Container, "click", BindAsEventListener(this, function(e){ this._ondrag || this.ClickCtrl(e);}));
//取消冒泡，防止跟Container的click冲突
addEventHandler(this.Bar, "click", BindAsEventListener(this, function(e){ e.stopPropagation(); }));
//设置鼠标滚轮控制
this.WheelBind(this.Container);
//设置方向键控制
this.KeyBind(this.Container);
//修正获取焦点
var oFocus = isIE ? (this.KeyBind(this.Bar), this.Bar) : this.Container;
addEventHandler(this.Bar, "mousedown", function(){ oFocus.focus(); });
//ie鼠标捕获和ff的取消默认动作都不能获得焦点，所以要手动获取
//如果ie把focus设置到Container，那么在出现滚动条时ie的focus可能会导致自动滚屏
},
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
MinValue: 0,//最小值
MaxValue: 100,//最大值
WheelSpeed: 5,//鼠标滚轮速度,越大越快(0则取消鼠标滚轮控制)
KeySpeed: 50,//方向键滚动速度,越大越慢(0则取消方向键控制)
Horizontal: true,//是否水平滑动
RunTime: 20,//自动滑移的延时时间,越大越慢
RunStep: 2,//自动滑移每次滑动的百分比
Ease: false,//是否缓动
EaseStep: 5,//缓动等级,越大越慢
onMin: function(){},//最小值时执行
onMax: function(){},//最大值时执行
onMid: function(){},//中间值时执行
onDragStart:function(){},//拖动开始时执行
onDragStop: function(){},//拖动结束时执行
onMove: function(){}//滑动时执行
};
Extend(this.options, options || {});
},
//开始拖放滑动
DragStart: function() {
this.onDragStart();
this._ondrag = true;
},
//结束拖放滑动
DragStop: function() {
this.onDragStop();
setTimeout(Bind(this, function(){ this._ondrag = false; }), 10);
},
//滑动中
Move: function() {
this.onMove();
var percent = this.GetPercent();
//最小值判断
if(percent > 0){
this._IsMin = false;
}else{
if(!this._IsMin){ this.onMin(); this._IsMin = true; }
}
//最大值判断
if(percent < 1){
this._IsMax = false;
}else{
if(!this._IsMax){ this.onMax(); this._IsMax = true; }
}
//中间值判断
if(percent > 0 && percent < 1){
if(!this._IsMid){ this.onMid(); this._IsMid = true; }
}else{
this._IsMid = false;
}
},
//鼠标点击控制
ClickCtrl: function(e) {
var o = this.Container, iLeft = o.offsetLeft, iTop = o.offsetTop;
while (o.offsetParent) { o = o.offsetParent; iLeft += o.offsetLeft; iTop += o.offsetTop; }
//考虑有滚动条，要用pageX和pageY
this.EasePos(e.pageX - iLeft - this.Bar.offsetWidth / 2, e.pageY - iTop - this.Bar.offsetHeight / 2);
},
//鼠标滚轮控制
WheelCtrl: function(e) {
var i = this.WheelSpeed * e.detail;
this.SetPos(this.Bar.offsetLeft + i, this.Bar.offsetTop + i);
//防止触发其他滚动条
e.preventDefault();
},
//绑定鼠标滚轮
WheelBind: function(o) {
//鼠标滚轮控制
addEventHandler(o, isIE ? "mousewheel" : "DOMMouseScroll", BindAsEventListener(this, this.WheelCtrl));
},
//方向键控制
KeyCtrl: function(e) {
if(this.KeySpeed){
var iLeft = this.Bar.offsetLeft, iWidth = (this.Container.clientWidth - this.Bar.offsetWidth) / this.KeySpeed
, iTop = this.Bar.offsetTop, iHeight = (this.Container.clientHeight - this.Bar.offsetHeight) / this.KeySpeed;
//根据按键设置值
switch (e.keyCode) {
case 37 ://左
iLeft -= iWidth; break;
case 38 ://上
iTop -= iHeight; break;
case 39 ://右
iLeft += iWidth; break;
case 40 ://下
iTop += iHeight; break;
default :
return;//不是方向按键返回
}
this.SetPos(iLeft, iTop);
//防止触发其他滚动条
e.preventDefault();
}
},
//绑定方向键
KeyBind: function(o) {
addEventHandler(o, "keydown", BindAsEventListener(this, this.KeyCtrl));
//设置tabIndex使设置对象能支持focus
o.tabIndex = -1;
//取消focus时出现的虚线框
isIE || (o.style.outline = "none");
},
//获取当前值
GetValue: function() {
//根据最大最小值和滑动百分比取值
return this.MinValue + this.GetPercent() * (this.MaxValue - this.MinValue);
},
//设置值位置
SetValue: function(value) {
//根据最大最小值和参数值设置滑块位置
this.SetPercent((value- this.MinValue)/(this.MaxValue - this.MinValue));
},
//获取百分比
GetPercent: function() {
//根据滑动条滑块取百分比
return this._horizontal ? this.Bar.offsetLeft / (this.Container.clientWidth - this.Bar.offsetWidth)
: this.Bar.offsetTop / (this.Container.clientHeight - this.Bar.offsetHeight)
},
//设置百分比位置
SetPercent: function(value) {
//根据百分比设置滑块位置
this.EasePos((this.Container.clientWidth - this.Bar.offsetWidth) * value, (this.Container.clientHeight - this.Bar.offsetHeight) * value);
},
//自动滑移(是否递增)
Run: function(bIncrease) {
this.Stop();
//修正一下bIncrease
bIncrease = !!bIncrease;
//根据是否递增来设置值
var percent = this.GetPercent() + (bIncrease ? 1 : -1) * this.RunStep / 100;
this.SetPos((this.Container.clientWidth - this.Bar.offsetWidth) * percent, (this.Container.clientHeight - this.Bar.offsetHeight) * percent);
//如果没有到极限值就继续滑移
if(!(bIncrease ? this._IsMax : this._IsMin)){
this._timer = setTimeout(Bind(this, this.Run, bIncrease), this.RunTime);
}
},
//停止滑移
Stop: function() {
clearTimeout(this._timer);
},
//缓动滑移
EasePos: function(iLeftT, iTopT) {
this.Stop();
//必须是整数，否则可能死循环
iLeftT = Math.round(iLeftT); iTopT = Math.round(iTopT);
//如果没有设置缓动
if(!this.Ease){ this.SetPos(iLeftT, iTopT); return; }
//获取缓动参数
var iLeftN = this.Bar.offsetLeft, iLeftS = this.GetStep(iLeftT, iLeftN)
, iTopN = this.Bar.offsetTop, iTopS = this.GetStep(iTopT, iTopN);
//如果参数有值
if(this._horizontal ? iLeftS : iTopS){
//设置位置
this.SetPos(iLeftN + iLeftS, iTopN + iTopS);
//如果没有到极限值则继续缓动
if(this._IsMid){ this._timer = setTimeout(Bind(this, this.EasePos, iLeftT, iTopT), this.RunTime); }
}
},
//获取步长
GetStep: function(iTarget, iNow) {
var iStep = (iTarget - iNow) / this.EaseStep;
if (iStep == 0) return 0;
if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1);
return iStep;
},
//设置滑块位置
SetPos: function(iLeft, iTop) {
this.Stop();
this._drag.SetPos(iLeft, iTop);
}
};
</script>
代码如下
<!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>JavaScript 滑动条效果</title>
</head>
<body>
<script>
var isIE = (document.all) ? true : false;
var $ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
create: function() {
return function() { this.initialize.apply(this, arguments); }
}
}
var Extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
}
var Bind = function(object, fun) {
var args = Array.prototype.slice.call(arguments).slice(2);
return function() {
return fun.apply(object, args);
}
}
var BindAsEventListener = function(object, fun) {
return function(event) {
return fun.call(object, Event(event));
}
}
function Event(e){
var oEvent = isIE ? window.event : e;
if (isIE) {
oEvent.pageX = oEvent.clientX + document.documentElement.scrollLeft;
oEvent.pageY = oEvent.clientY + document.documentElement.scrollTop;
oEvent.preventDefault = function () { this.returnValue = false; };
oEvent.detail = oEvent.wheelDelta / (-40);
oEvent.stopPropagation = function(){ this.cancelBubble = true; };
}
return oEvent;
}
var CurrentStyle = function(element){
return element.currentStyle || document.defaultView.getComputedStyle(element, null);
}
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;
}
};
//滑动条程序
var Slider = Class.create();
Slider.prototype = {
//容器对象，滑块
initialize: function(container, bar, options) {
this.Bar = $(bar);
this.Container = $(container);
this._timer = null;//自动滑移的定时器
this._ondrag = false;//解决ie的click问题
//是否最小值、最大值、中间值
this._IsMin = this._IsMax = this._IsMid = false;
//实例化一个拖放对象，并限定范围
this._drag = new Drag(this.Bar, { Limit: true, mxContainer: this.Container,
onStart: Bind(this, this.DragStart), onStop: Bind(this, this.DragStop), onMove: Bind(this, this.Move)
});
this.SetOptions(options);
this.WheelSpeed = Math.max(0, this.options.WheelSpeed);
this.KeySpeed = Math.max(0, this.options.KeySpeed);
this.MinValue = this.options.MinValue;
this.MaxValue = this.options.MaxValue;
this.RunTime = Math.max(1, this.options.RunTime);
this.RunStep = Math.max(1, this.options.RunStep);
this.Ease = !!this.options.Ease;
this.EaseStep = Math.max(1, this.options.EaseStep);
this.onMin = this.options.onMin;
this.onMax = this.options.onMax;
this.onMid = this.options.onMid;
this.onDragStart = this.options.onDragStart;
this.onDragStop = this.options.onDragStop;
this.onMove = this.options.onMove;
this._horizontal = !!this.options.Horizontal;//一般不允许修改
//锁定拖放方向
this._drag[this._horizontal ? "LockY" : "LockX"] = true;
//点击控制
addEventHandler(this.Container, "click", BindAsEventListener(this, function(e){ this._ondrag || this.ClickCtrl(e);}));
//取消冒泡，防止跟Container的click冲突
addEventHandler(this.Bar, "click", BindAsEventListener(this, function(e){ e.stopPropagation(); }));
//设置鼠标滚轮控制
this.WheelBind(this.Container);
//设置方向键控制
this.KeyBind(this.Container);
//修正获取焦点
var oFocus = isIE ? (this.KeyBind(this.Bar), this.Bar) : this.Container;
addEventHandler(this.Bar, "mousedown", function(){ oFocus.focus(); });
//ie鼠标捕获和ff的取消默认动作都不能获得焦点，所以要手动获取
//如果ie把focus设置到Container，那么在出现滚动条时ie的focus可能会导致自动滚屏
},
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
MinValue: 0,//最小值
MaxValue: 100,//最大值
WheelSpeed: 5,//鼠标滚轮速度,越大越快(0则取消鼠标滚轮控制)
KeySpeed: 50,//方向键滚动速度,越大越慢(0则取消方向键控制)
Horizontal: true,//是否水平滑动
RunTime: 20,//自动滑移的延时时间,越大越慢
RunStep: 2,//自动滑移每次滑动的百分比
Ease: false,//是否缓动
EaseStep: 5,//缓动等级,越大越慢
onMin: function(){},//最小值时执行
onMax: function(){},//最大值时执行
onMid: function(){},//中间值时执行
onDragStart:function(){},//拖动开始时执行
onDragStop: function(){},//拖动结束时执行
onMove: function(){}//滑动时执行
};
Extend(this.options, options || {});
},
//开始拖放滑动
DragStart: function() {
this.onDragStart();
this._ondrag = true;
},
//结束拖放滑动
DragStop: function() {
this.onDragStop();
setTimeout(Bind(this, function(){ this._ondrag = false; }), 10);
},
//滑动中
Move: function() {
this.onMove();
var percent = this.GetPercent();
//最小值判断
if(percent > 0){
this._IsMin = false;
}else{
if(!this._IsMin){ this.onMin(); this._IsMin = true; }
}
//最大值判断
if(percent < 1){
this._IsMax = false;
}else{
if(!this._IsMax){ this.onMax(); this._IsMax = true; }
}
//中间值判断
if(percent > 0 && percent < 1){
if(!this._IsMid){ this.onMid(); this._IsMid = true; }
}else{
this._IsMid = false;
}
},
//鼠标点击控制
ClickCtrl: function(e) {
var o = this.Container, iLeft = o.offsetLeft, iTop = o.offsetTop;
while (o.offsetParent) { o = o.offsetParent; iLeft += o.offsetLeft; iTop += o.offsetTop; }
//考虑有滚动条，要用pageX和pageY
this.EasePos(e.pageX - iLeft - this.Bar.offsetWidth / 2, e.pageY - iTop - this.Bar.offsetHeight / 2);
},
//鼠标滚轮控制
WheelCtrl: function(e) {
var i = this.WheelSpeed * e.detail;
this.SetPos(this.Bar.offsetLeft + i, this.Bar.offsetTop + i);
//防止触发其他滚动条
e.preventDefault();
},
//绑定鼠标滚轮
WheelBind: function(o) {
//鼠标滚轮控制
addEventHandler(o, isIE ? "mousewheel" : "DOMMouseScroll", BindAsEventListener(this, this.WheelCtrl));
},
//方向键控制
KeyCtrl: function(e) {
if(this.KeySpeed){
var iLeft = this.Bar.offsetLeft, iWidth = (this.Container.clientWidth - this.Bar.offsetWidth) / this.KeySpeed
, iTop = this.Bar.offsetTop, iHeight = (this.Container.clientHeight - this.Bar.offsetHeight) / this.KeySpeed;
//根据按键设置值
switch (e.keyCode) {
case 37 ://左
iLeft -= iWidth; break;
case 38 ://上
iTop -= iHeight; break;
case 39 ://右
iLeft += iWidth; break;
case 40 ://下
iTop += iHeight; break;
default :
return;//不是方向按键返回
}
this.SetPos(iLeft, iTop);
//防止触发其他滚动条
e.preventDefault();
}
},
//绑定方向键
KeyBind: function(o) {
addEventHandler(o, "keydown", BindAsEventListener(this, this.KeyCtrl));
//设置tabIndex使设置对象能支持focus
o.tabIndex = -1;
//取消focus时出现的虚线框
isIE || (o.style.outline = "none");
},
//获取当前值
GetValue: function() {
//根据最大最小值和滑动百分比取值
return this.MinValue + this.GetPercent() * (this.MaxValue - this.MinValue);
},
//设置值位置
SetValue: function(value) {
//根据最大最小值和参数值设置滑块位置
this.SetPercent((value- this.MinValue)/(this.MaxValue - this.MinValue));
},
//获取百分比
GetPercent: function() {
//根据滑动条滑块取百分比
return this._horizontal ? this.Bar.offsetLeft / (this.Container.clientWidth - this.Bar.offsetWidth)
: this.Bar.offsetTop / (this.Container.clientHeight - this.Bar.offsetHeight)
},
//设置百分比位置
SetPercent: function(value) {
//根据百分比设置滑块位置
this.EasePos((this.Container.clientWidth - this.Bar.offsetWidth) * value, (this.Container.clientHeight - this.Bar.offsetHeight) * value);
},
//自动滑移(是否递增)
Run: function(bIncrease) {
this.Stop();
//修正一下bIncrease
bIncrease = !!bIncrease;
//根据是否递增来设置值
var percent = this.GetPercent() + (bIncrease ? 1 : -1) * this.RunStep / 100;
this.SetPos((this.Container.clientWidth - this.Bar.offsetWidth) * percent, (this.Container.clientHeight - this.Bar.offsetHeight) * percent);
//如果没有到极限值就继续滑移
if(!(bIncrease ? this._IsMax : this._IsMin)){
this._timer = setTimeout(Bind(this, this.Run, bIncrease), this.RunTime);
}
},
//停止滑移
Stop: function() {
clearTimeout(this._timer);
},
//缓动滑移
EasePos: function(iLeftT, iTopT) {
this.Stop();
//必须是整数，否则可能死循环
iLeftT = Math.round(iLeftT); iTopT = Math.round(iTopT);
//如果没有设置缓动
if(!this.Ease){ this.SetPos(iLeftT, iTopT); return; }
//获取缓动参数
var iLeftN = this.Bar.offsetLeft, iLeftS = this.GetStep(iLeftT, iLeftN)
, iTopN = this.Bar.offsetTop, iTopS = this.GetStep(iTopT, iTopN);
//如果参数有值
if(this._horizontal ? iLeftS : iTopS){
//设置位置
this.SetPos(iLeftN + iLeftS, iTopN + iTopS);
//如果没有到极限值则继续缓动
if(this._IsMid){ this._timer = setTimeout(Bind(this, this.EasePos, iLeftT, iTopT), this.RunTime); }
}
},
//获取步长
GetStep: function(iTarget, iNow) {
var iStep = (iTarget - iNow) / this.EaseStep;
if (iStep == 0) return 0;
if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1);
return iStep;
},
//设置滑块位置
SetPos: function(iLeft, iTop) {
this.Stop();
this._drag.SetPos(iLeft, iTop);
}
};
</script>
...全文
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huisheng 2009-09-11
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提示“Drag未定义”
saishangpeiqian 2009-09-11
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慢慢调试吧
标记结束都找不到
标记结束都找不到
huisheng 2009-09-11
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//Drag.js
//拖放程序
var Drag = Class.create();
Drag.prototype = {
//拖放对象
initialize: function(drag, options) {
this.Drag = $(drag);//拖放对象
this._x = this._y = 0;//记录鼠标相对拖放对象的位置
this._marginLeft = this._marginTop = 0;//记录margin
//事件对象(用于绑定移除事件)
this._fM = BindAsEventListener(this, this.Move);
this._fS = Bind(this, this.Stop);
this.SetOptions(options);
this.Limit = !!this.options.Limit;
this.mxLeft = parseInt(this.options.mxLeft);
this.mxRight = parseInt(this.options.mxRight);
this.mxTop = parseInt(this.options.mxTop);
this.mxBottom = parseInt(this.options.mxBottom);
this.LockX = !!this.options.LockX;
this.LockY = !!this.options.LockY;
this.Lock = !!this.options.Lock;
this.onStart = this.options.onStart;
this.onMove = this.options.onMove;
this.onStop = this.options.onStop;
this._Handle = $(this.options.Handle) || this.Drag;
this._mxContainer = $(this.options.mxContainer) || null;
this.Drag.style.position = "absolute";
//透明
if(isIE && !!this.options.Transparent){
//填充拖放对象
with(this._Handle.appendChild(document.createElement("div")).style){
width = height = "100%"; backgroundColor = "#fff"; filter = "alpha(opacity:0)"; fontSize = 0;
}
}
//修正范围
this.Repair();
addEventHandler(this._Handle, "mousedown", BindAsEventListener(this, this.Start));
},
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
Handle: "",//设置触发对象（不设置则使用拖放对象）
Limit: false,//是否设置范围限制(为true时下面参数有用,可以是负数)
mxLeft: 0,//左边限制
mxRight: 9999,//右边限制
mxTop: 0,//上边限制
mxBottom: 9999,//下边限制
mxContainer: "",//指定限制在容器内
LockX: false,//是否锁定水平方向拖放
LockY: false,//是否锁定垂直方向拖放
Lock: false,//是否锁定
Transparent: false,//是否透明
onStart: function(){},//开始移动时执行
onMove: function(){},//移动时执行
onStop: function(){}//结束移动时执行
};
Extend(this.options, options || {});
},
//准备拖动
Start: function(oEvent) {
if(this.Lock){ return; }
this.Repair();
//记录鼠标相对拖放对象的位置
this._x = oEvent.clientX - this.Drag.offsetLeft;
this._y = oEvent.clientY - this.Drag.offsetTop;
//记录margin
this._marginLeft = parseInt(CurrentStyle(this.Drag).marginLeft) || 0;
this._marginTop = parseInt(CurrentStyle(this.Drag).marginTop) || 0;
//mousemove时移动 mouseup时停止
addEventHandler(document, "mousemove", this._fM);
addEventHandler(document, "mouseup", this._fS);
if(isIE){
//焦点丢失
addEventHandler(this._Handle, "losecapture", this._fS);
//设置鼠标捕获
this._Handle.setCapture();
}else{
//焦点丢失
addEventHandler(window, "blur", this._fS);
//阻止默认动作
oEvent.preventDefault();
};
//附加程序
this.onStart();
},
//修正范围
Repair: function() {
if(this.Limit){
//修正错误范围参数
this.mxRight = Math.max(this.mxRight, this.mxLeft + this.Drag.offsetWidth);
this.mxBottom = Math.max(this.mxBottom, this.mxTop + this.Drag.offsetHeight);
//如果有容器必须设置position为relative来相对定位，并在获取offset之前设置
!this._mxContainer || CurrentStyle(this._mxContainer).position == "relative" || CurrentStyle(this._mxContainer).position == "absolute" || (this._mxContainer.style.position = "relative");
}
},
//拖动
Move: function(oEvent) {
//判断是否锁定
if(this.Lock){ this.Stop(); return; };
//清除选择
window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty();
//设置移动参数
this.SetPos(oEvent.clientX - this._x, oEvent.clientY - this._y);
},
//设置位置
SetPos: function(iLeft, iTop) {
//设置范围限制
if(this.Limit){
//设置范围参数
var mxLeft = this.mxLeft, mxRight = this.mxRight, mxTop = this.mxTop, mxBottom = this.mxBottom;
//如果设置了容器，再修正范围参数
if(!!this._mxContainer){
mxLeft = Math.max(mxLeft, 0);
mxTop = Math.max(mxTop, 0);
mxRight = Math.min(mxRight, this._mxContainer.clientWidth);
mxBottom = Math.min(mxBottom, this._mxContainer.clientHeight);
};
//修正移动参数
iLeft = Math.max(Math.min(iLeft, mxRight - this.Drag.offsetWidth), mxLeft);
iTop = Math.max(Math.min(iTop, mxBottom - this.Drag.offsetHeight), mxTop);
}
//设置位置，并修正margin
if(!this.LockX){ this.Drag.style.left = iLeft - this._marginLeft + "px"; }
if(!this.LockY){ this.Drag.style.top = iTop - this._marginTop + "px"; }
//附加程序
this.onMove();
},
//停止拖动
Stop: function() {
//移除事件
removeEventHandler(document, "mousemove", this._fM);
removeEventHandler(document, "mouseup", this._fS);
if(isIE){
removeEventHandler(this._Handle, "losecapture", this._fS);
this._Handle.releaseCapture();
}else{
removeEventHandler(window, "blur", this._fS);
};
//附加程序
this.onStop();
}
};
//拖放程序
var Drag = Class.create();
Drag.prototype = {
//拖放对象
initialize: function(drag, options) {
this.Drag = $(drag);//拖放对象
this._x = this._y = 0;//记录鼠标相对拖放对象的位置
this._marginLeft = this._marginTop = 0;//记录margin
//事件对象(用于绑定移除事件)
this._fM = BindAsEventListener(this, this.Move);
this._fS = Bind(this, this.Stop);
this.SetOptions(options);
this.Limit = !!this.options.Limit;
this.mxLeft = parseInt(this.options.mxLeft);
this.mxRight = parseInt(this.options.mxRight);
this.mxTop = parseInt(this.options.mxTop);
this.mxBottom = parseInt(this.options.mxBottom);
this.LockX = !!this.options.LockX;
this.LockY = !!this.options.LockY;
this.Lock = !!this.options.Lock;
this.onStart = this.options.onStart;
this.onMove = this.options.onMove;
this.onStop = this.options.onStop;
this._Handle = $(this.options.Handle) || this.Drag;
this._mxContainer = $(this.options.mxContainer) || null;
this.Drag.style.position = "absolute";
//透明
if(isIE && !!this.options.Transparent){
//填充拖放对象
with(this._Handle.appendChild(document.createElement("div")).style){
width = height = "100%"; backgroundColor = "#fff"; filter = "alpha(opacity:0)"; fontSize = 0;
}
}
//修正范围
this.Repair();
addEventHandler(this._Handle, "mousedown", BindAsEventListener(this, this.Start));
},
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
Handle: "",//设置触发对象（不设置则使用拖放对象）
Limit: false,//是否设置范围限制(为true时下面参数有用,可以是负数)
mxLeft: 0,//左边限制
mxRight: 9999,//右边限制
mxTop: 0,//上边限制
mxBottom: 9999,//下边限制
mxContainer: "",//指定限制在容器内
LockX: false,//是否锁定水平方向拖放
LockY: false,//是否锁定垂直方向拖放
Lock: false,//是否锁定
Transparent: false,//是否透明
onStart: function(){},//开始移动时执行
onMove: function(){},//移动时执行
onStop: function(){}//结束移动时执行
};
Extend(this.options, options || {});
},
//准备拖动
Start: function(oEvent) {
if(this.Lock){ return; }
this.Repair();
//记录鼠标相对拖放对象的位置
this._x = oEvent.clientX - this.Drag.offsetLeft;
this._y = oEvent.clientY - this.Drag.offsetTop;
//记录margin
this._marginLeft = parseInt(CurrentStyle(this.Drag).marginLeft) || 0;
this._marginTop = parseInt(CurrentStyle(this.Drag).marginTop) || 0;
//mousemove时移动 mouseup时停止
addEventHandler(document, "mousemove", this._fM);
addEventHandler(document, "mouseup", this._fS);
if(isIE){
//焦点丢失
addEventHandler(this._Handle, "losecapture", this._fS);
//设置鼠标捕获
this._Handle.setCapture();
}else{
//焦点丢失
addEventHandler(window, "blur", this._fS);
//阻止默认动作
oEvent.preventDefault();
};
//附加程序
this.onStart();
},
//修正范围
Repair: function() {
if(this.Limit){
//修正错误范围参数
this.mxRight = Math.max(this.mxRight, this.mxLeft + this.Drag.offsetWidth);
this.mxBottom = Math.max(this.mxBottom, this.mxTop + this.Drag.offsetHeight);
//如果有容器必须设置position为relative来相对定位，并在获取offset之前设置
!this._mxContainer || CurrentStyle(this._mxContainer).position == "relative" || CurrentStyle(this._mxContainer).position == "absolute" || (this._mxContainer.style.position = "relative");
}
},
//拖动
Move: function(oEvent) {
//判断是否锁定
if(this.Lock){ this.Stop(); return; };
//清除选择
window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty();
//设置移动参数
this.SetPos(oEvent.clientX - this._x, oEvent.clientY - this._y);
},
//设置位置
SetPos: function(iLeft, iTop) {
//设置范围限制
if(this.Limit){
//设置范围参数
var mxLeft = this.mxLeft, mxRight = this.mxRight, mxTop = this.mxTop, mxBottom = this.mxBottom;
//如果设置了容器，再修正范围参数
if(!!this._mxContainer){
mxLeft = Math.max(mxLeft, 0);
mxTop = Math.max(mxTop, 0);
mxRight = Math.min(mxRight, this._mxContainer.clientWidth);
mxBottom = Math.min(mxBottom, this._mxContainer.clientHeight);
};
//修正移动参数
iLeft = Math.max(Math.min(iLeft, mxRight - this.Drag.offsetWidth), mxLeft);
iTop = Math.max(Math.min(iTop, mxBottom - this.Drag.offsetHeight), mxTop);
}
//设置位置，并修正margin
if(!this.LockX){ this.Drag.style.left = iLeft - this._marginLeft + "px"; }
if(!this.LockY){ this.Drag.style.top = iTop - this._marginTop + "px"; }
//附加程序
this.onMove();
},
//停止拖动
Stop: function() {
//移除事件
removeEventHandler(document, "mousemove", this._fM);
removeEventHandler(document, "mouseup", this._fS);
if(isIE){
removeEventHandler(this._Handle, "losecapture", this._fS);
this._Handle.releaseCapture();
}else{
removeEventHandler(window, "blur", this._fS);
};
//附加程序
this.onStop();
}
};
huisheng 2009-09-11
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<script type="text/javascript" src="Drag.js"></script>
<p>预览效果1：</p>
<style type="text/css">
.container{width:600px; background:#3E3E3E; overflow:hidden; color:#fff; padding:10px 20px;}
.content{ overflow:hidden; margin-bottom:10px;width:600px;}
.content div{ width:130px; margin:5px; padding:5px; padding-bottom:0; height:120px; line-height:20px; background-color:#000000;}
.content div img{ width:130px; height:100px; border:0;display:block;}
.slider{ padding:1px 0; position:relative;background:#0A0A0A; height:15px; border-bottom:1px solid #545454;border-top:1px solid #545454; float:left; width:544px;cursor:pointer; }
.slider_left, .slider_right{ background:url(http://pic002.cnblogs.com/img/cloudgamer/200812/2008122223581198.gif) no-repeat; height:19px; width:28px; float:left; cursor:pointer;}
.slider_left{background-position:left top;}
.slider_right{background-position:right top;}
.bar{ height:15px; width:150px; background:url(http://pic002.cnblogs.com/img/cloudgamer/200812/2008122223573480.gif) left top repeat-x;}
.bar_left, .bar_right{background:url(http://pic002.cnblogs.com/img/cloudgamer/200812/2008122223580168.gif) no-repeat;height:15px; _font-size:0; width:6px; position:absolute; top:0px;}
.bar_left{background-position:left top;left:-6px;}
.bar_right{background-position:right top;right:-6px;}
</style>
<div id="idContainer" class="container">
<div id="idContent" class="content">
<table cellpadding="0" cellspacing="0">
<tr align="center">
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_2.jpg" /></a>1. 图片切割</div></td>
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_1.jpg" /></a>2. 图片切换展示</div></td>
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_3.jpg" /></a>3. 图片变换效果</div></td>
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_5.jpg" /></a>4. 无刷新上传</div></td>
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_4.jpg" /></a>5. 图片滑动展示</div></td>
</tr>
</table>
</div>
<div class="slider_left" id="idSliderLeft"></div>
<div class="slider" id="idSlider">
<div class="bar" id="idBar">
<div class="bar_left"></div>
<div class="bar_right"></div>
</div>
</div>
<div class="slider_right" id="idSliderRight"></div>
</div>
<script>
var sld = new Slider("idSlider", "idBar", {
MaxValue: $("idContent").scrollWidth - $("idContent").clientWidth,
onMin: function(){ $("idSliderLeft").style.backgroundPosition = "bottom left"; },
onMax: function(){ $("idSliderRight").style.backgroundPosition = "bottom right"; },
onMid: function(){ $("idSliderLeft").style.backgroundPosition = "top left"; $("idSliderRight").style.backgroundPosition = "top right"; },
onMove: function(){ $("idContent").scrollLeft = this.GetValue(); }
});
sld.SetPercent(.5);
sld.Ease = true;
$("idSliderLeft").onmouseover = function(){ sld.Run(false); }
$("idSliderLeft").onmouseout = function(){ sld.Stop(); }
$("idSliderRight").onmouseover = function(){ sld.Run(true); }
$("idSliderRight").onmouseout = function(){ sld.Stop(); }
</script>
<br />
</body>
</html>
<p>预览效果1：</p>
<style type="text/css">
.container{width:600px; background:#3E3E3E; overflow:hidden; color:#fff; padding:10px 20px;}
.content{ overflow:hidden; margin-bottom:10px;width:600px;}
.content div{ width:130px; margin:5px; padding:5px; padding-bottom:0; height:120px; line-height:20px; background-color:#000000;}
.content div img{ width:130px; height:100px; border:0;display:block;}
.slider{ padding:1px 0; position:relative;background:#0A0A0A; height:15px; border-bottom:1px solid #545454;border-top:1px solid #545454; float:left; width:544px;cursor:pointer; }
.slider_left, .slider_right{ background:url(http://pic002.cnblogs.com/img/cloudgamer/200812/2008122223581198.gif) no-repeat; height:19px; width:28px; float:left; cursor:pointer;}
.slider_left{background-position:left top;}
.slider_right{background-position:right top;}
.bar{ height:15px; width:150px; background:url(http://pic002.cnblogs.com/img/cloudgamer/200812/2008122223573480.gif) left top repeat-x;}
.bar_left, .bar_right{background:url(http://pic002.cnblogs.com/img/cloudgamer/200812/2008122223580168.gif) no-repeat;height:15px; _font-size:0; width:6px; position:absolute; top:0px;}
.bar_left{background-position:left top;left:-6px;}
.bar_right{background-position:right top;right:-6px;}
</style>
<div id="idContainer" class="container">
<div id="idContent" class="content">
<table cellpadding="0" cellspacing="0">
<tr align="center">
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_2.jpg" /></a>1. 图片切割</div></td>
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_1.jpg" /></a>2. 图片切换展示</div></td>
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_3.jpg" /></a>3. 图片变换效果</div></td>
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_5.jpg" /></a>4. 无刷新上传</div></td>
<td><div><a href="http://www.chinaz.com"><img src="images/r_rt_4.jpg" /></a>5. 图片滑动展示</div></td>
</tr>
</table>
</div>
<div class="slider_left" id="idSliderLeft"></div>
<div class="slider" id="idSlider">
<div class="bar" id="idBar">
<div class="bar_left"></div>
<div class="bar_right"></div>
</div>
</div>
<div class="slider_right" id="idSliderRight"></div>
</div>
<script>
var sld = new Slider("idSlider", "idBar", {
MaxValue: $("idContent").scrollWidth - $("idContent").clientWidth,
onMin: function(){ $("idSliderLeft").style.backgroundPosition = "bottom left"; },
onMax: function(){ $("idSliderRight").style.backgroundPosition = "bottom right"; },
onMid: function(){ $("idSliderLeft").style.backgroundPosition = "top left"; $("idSliderRight").style.backgroundPosition = "top right"; },
onMove: function(){ $("idContent").scrollLeft = this.GetValue(); }
});
sld.SetPercent(.5);
sld.Ease = true;
$("idSliderLeft").onmouseover = function(){ sld.Run(false); }
$("idSliderLeft").onmouseout = function(){ sld.Stop(); }
$("idSliderRight").onmouseover = function(){ sld.Run(true); }
$("idSliderRight").onmouseout = function(){ sld.Stop(); }
</script>
<br />
</body>
</html>
huisheng 2009-09-11
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http://www.sj217.com/Slider/Slider4.aspx
和
http://www.sj217.com/Slider/Slider3.htm
和
http://www.sj217.com/Slider/Slider3.htm
huisheng 2009-09-11
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在同一个目录下。
我的HTML.ASP.ASPX这几个测试文件都在同一个目录中。
我的HTML.ASP.ASPX这几个测试文件都在同一个目录中。
huisheng 2009-09-11
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aspx页面中只有
<%@ Page Language="C#" AutoEventWireup="true" %>
没有添加任何其他的代码。
<%@ Page Language="C#" AutoEventWireup="true" %>
没有添加任何其他的代码。
wuyq11 2009-09-11
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路径是否一致
琥珀明月 2009-09-11
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好多代码~
wuyq11 2009-09-11
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htnl文件没问题，是否aspx页面问题，代码应该没问题.
huisheng 2009-09-11
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我将你的代码完整的复制到aspx 文件中，就提示：
Line:5
Char:2
Code:0
Error:缺少标识符、字符串或数字
网址:http://localhost:4489/WEB/Slider/Slider4.aspx
和
Line:91
Char:2
Code:0
Error:'Drag' 未定义
网址:http://localhost:4489/WEB/Slider/Slider4.aspx
但是我将其复制成asp文件有没有出错。。
Line:5
Char:2
Code:0
Error:缺少标识符、字符串或数字
网址:http://localhost:4489/WEB/Slider/Slider4.aspx
和
Line:91
Char:2
Code:0
Error:'Drag' 未定义
网址:http://localhost:4489/WEB/Slider/Slider4.aspx
但是我将其复制成asp文件有没有出错。。
wuyq11 2009-09-11
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Drag类是否包含进去
<script type="text/javascript" src="Drag.js"> </script>
<title>JavaScript 滑动条效果 </title>
<script type="text/javascript" src="Drag.js"> </script>
<title>JavaScript 滑动条效果 </title>
huisheng 2009-09-11
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帮帮忙。。程序来源
http://www.cnblogs.com/cloudgamer/archive/2008/12/24/Slider.html
http://www.cnblogs.com/cloudgamer/archive/2008/12/24/Slider.html
