铁雪资源网 Design By www.gsvan.com
这个 相当于一个小框架，拿来就可以用：
1. 功能：
如上图显示： 点击左右两个button，可以实现图片向左右滚动，也可以设置在多少秒自己滚动。
2. 首先建立一个js文件，文件名为play.js（只要和HTML中的引入相同就可以了）：
var sina = {
$: function(objName) {
if (document.getElementById) {
return eval('document.getElementById("' + objName + '")')
} else {
return eval('document.all.' + objName)
}
},
isIE: navigator.appVersion.indexOf("MSIE") != -1 "on" + i, I)
} else {
l.addEventListener(i, I, false)
}
},
delEvent: function(l, i, I) {
if (l.detachEvent) {
l.detachEvent("on" + i, I)
} else {
l.removeEventListener(i, I, false)
}
},
readCookie: function(O) {
var o = "",
l = O + "=";
if (document.cookie.length > 0) {
var i = document.cookie.indexOf(l);
if (i != -1) {
i += l.length;
var I = document.cookie.indexOf(";", i);
if (I == -1) I = document.cookie.length;
o = unescape(document.cookie.substring(i, I))
}
};
return o
},
writeCookie: function(i, l, o, c) {
var O = "",
I = "";
if (o != null) {
O = new Date((new Date).getTime() + o * 3600000);
O = "; expires=" + O.toGMTString()
};
if (c != null) {
I = ";domain=" + c
};
document.cookie = i + "=" + escape(l) + O + I
},
readStyle: function(I, l) {
if (I.style[l]) {
return I.style[l]
} else if (I.rentStyle) {
return I.currentStyle[l]
} else if (document.defaultView && document.defaultView.getComputedStyle) {
var i = document.defaultView.getComputedStyle(I, null);
return i.getPropertyValue(l)
} else {
return null
}
}
};
function ScrollPic(scrollContId, arrLeftId, arrRightId, dotListId) {
this.scrollContId = scrollContId;
this.arrLeftId = arrLeftId;
this.arrRightId = arrRightId;
this.dotListId = dotListId;
this.dotClassName = "dotItem";
this.dotOnClassName = "dotItemOn";
this.dotObjArr = [];
this.pageWidth = 0;
this.frameWidth = 0;
this.speed = 10;
this.space = 10;
this.pageIndex = 0;
this.autoPlay = true;
this.autoPlayTime = 5;
var _autoTimeObj, _scrollTimeObj, _state = "ready";
this.stripDiv = document.createElement("DIV");
this.listDiv01 = document.createElement("DIV");
this.listDiv02 = document.createElement("DIV");
if (!ScrollPic.childs) {
ScrollPic.childs = []
};
this.ID = ScrollPic.childs.length;
ScrollPic.childs.push(this);
this.initialize = function() {
if (!this.scrollContId) {
throw new Error("必须指定scrollContId.");
return
};
this.scrollContDiv = sina.$(this.scrollContId);
if (!this.scrollContDiv) {
throw new Error("scrollContId不是正确的对象.(scrollContId = \"" + this.scrollContId + "\")");
return
};
this.scrollContDiv.style.width = this.frameWidth + "px";
this.scrollContDiv.style.overflow = "hidden";
this.listDiv01.innerHTML = this.listDiv02.innerHTML = this.scrollContDiv.innerHTML;
this.scrollContDiv.innerHTML = "";
this.scrollContDiv.appendChild(this.stripDiv);
this.stripDiv.appendChild(this.listDiv01);
this.stripDiv.appendChild(this.listDiv02);
this.stripDiv.style.overflow = "hidden";
this.stripDiv.style.zoom = "1";
this.stripDiv.style.width = "32766px";
this.listDiv01.style.cssFloat = "left";
this.listDiv02.style.cssFloat = "left";
sina.addEvent(this.scrollContDiv, "mouseover", Function("ScrollPic.childs[" + this.ID + "].stop()"));
sina.addEvent(this.scrollContDiv, "mouseout", Function("ScrollPic.childs[" + this.ID + "].play()"));
if (this.arrLeftId) {
this.arrLeftObj = sina.$(this.arrLeftId);
if (this.arrLeftObj) {
sina.addEvent(this.arrLeftObj, "mousedown", Function("ScrollPic.childs[" + this.ID + "].rightMouseDown()"));
sina.addEvent(this.arrLeftObj, "mouseup", Function("ScrollPic.childs[" + this.ID + "].rightEnd()"));
sina.addEvent(this.arrLeftObj, "mouseout", Function("ScrollPic.childs[" + this.ID + "].rightEnd()"))
}
};
if (this.arrRightId) {
this.arrRightObj = sina.$(this.arrRightId);
if (this.arrRightObj) {
sina.addEvent(this.arrRightObj, "mousedown", Function("ScrollPic.childs[" + this.ID + "].leftMouseDown()"));
sina.addEvent(this.arrRightObj, "mouseup", Function("ScrollPic.childs[" + this.ID + "].leftEnd()"));
sina.addEvent(this.arrRightObj, "mouseout", Function("ScrollPic.childs[" + this.ID + "].leftEnd()"))
}
};
if (this.dotListId) {
this.dotListObj = sina.$(this.dotListId);
if (this.dotListObj) {
var pages = Math.round(this.listDiv01.offsetWidth / this.frameWidth + 0.4),
i, tempObj;
for (i = 0; i < pages; i++) {
tempObj = document.createElement("span");
this.dotListObj.appendChild(tempObj);
this.dotObjArr.push(tempObj);
if (i == this.pageIndex) {
tempObj.className = this.dotClassName
} else {
tempObj.className = this.dotOnClassName
};
tempObj.title = "第" + (i + 1) + "页";
sina.addEvent(tempObj, "click", Function("ScrollPic.childs[" + this.ID + "].pageTo(" + i + ")"))
}
}
};
if (this.autoPlay) {
this.play()
}
};
this.leftMouseDown = function() {
if (_state != "ready") {
return
};
_state = "floating";
_scrollTimeObj = setInterval("ScrollPic.childs[" + this.ID + "].moveLeft()", this.speed)
};
this.rightMouseDown = function() {
if (_state != "ready") {
return
};
_state = "floating";
_scrollTimeObj = setInterval("ScrollPic.childs[" + this.ID + "].moveRight()", this.speed)
};
this.moveLeft = function() {
if (this.scrollContDiv.scrollLeft + this.space >= this.listDiv01.scrollWidth) {
this.scrollContDiv.scrollLeft = this.scrollContDiv.scrollLeft + this.space - this.listDiv01.scrollWidth
} else {
this.scrollContDiv.scrollLeft += this.space
};
this.accountPageIndex()
};
this.moveRight = function() {
if (this.scrollContDiv.scrollLeft - this.space <= 0) {
this.scrollContDiv.scrollLeft = this.listDiv01.scrollWidth + this.scrollContDiv.scrollLeft - this.space
} else {
this.scrollContDiv.scrollLeft -= this.space
};
this.accountPageIndex()
};
this.leftEnd = function() {
if (_state != "floating") {
return
};
_state = "stoping";
clearInterval(_scrollTimeObj);
var fill = this.pageWidth - this.scrollContDiv.scrollLeft % this.pageWidth;
this.move(fill)
};
this.rightEnd = function() {
if (_state != "floating") {
return
};
_state = "stoping";
clearInterval(_scrollTimeObj);
var fill = -this.scrollContDiv.scrollLeft % this.pageWidth;
this.move(fill)
};
this.move = function(num, quick) {
var thisMove = num / 5;
if (!quick) {
if (thisMove >
this.space) {
thisMove = this.space
};
if (thisMove < -this.space) {
thisMove = -this.space
}
};
if (Math.abs(thisMove) < 1 && thisMove != 0) {
thisMove = thisMove >= 0 "ready";
if (this.autoPlay) {
this.play()
};
this.accountPageIndex();
return
} else {
this.accountPageIndex();
setTimeout("ScrollPic.childs[" + this.ID + "].move(" + num + "," + quick + ")", this.speed)
}
};
this.next = function() {
if (_state != "ready") {
return
};
_state = "stoping";
this.move(this.pageWidth, true)
};
this.play = function() {
if (!this.autoPlay) {
return
};
clearInterval(_autoTimeObj);
_autoTimeObj = setInterval("ScrollPic.childs[" + this.ID + "].next()", this.autoPlayTime * 1000)
};
this.stop = function() {
clearInterval(_autoTimeObj)
};
this.pageTo = function(num) {
if (_state != "ready") {
return
};
_state = "stoping";
var fill = num * this.frameWidth - this.scrollContDiv.scrollLeft;
this.move(fill, true)
};
this.accountPageIndex = function() {
this.pageIndex = Math.round(this.scrollContDiv.scrollLeft / this.frameWidth);
if (this.pageIndex > Math.round(this.listDiv01.offsetWidth / this.frameWidth + 0.4) - 1) {
this.pageIndex = 0
};
var i;
for (i = 0; i < this.dotObjArr.length; i++) {
if (i == this.pageIndex) {
this.dotObjArr[i].className = this.dotClassName
} else {
this.dotObjArr[i].className = this.dotOnClassName
}
}
}
};
3. 建立一个HTML文件：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>实现滚动轮播的效果</title>
<style type="text/css">
.nav {
width: 1100px;
height: 160px;
/*border: 1px solid red;*/
margin-left: 140px;
position: relative;
cursor: pointer;
margin-top: 15px;
overflow: hidden;
border: 1px solid red
}
.nav #nav-all {
width: auto;
height: 160px;
position: absolute;
left: -30px;
}
.nav .nav-i {
width: 194px;
height: 158px;
background: #fff;
border: 1px solid #d8d8d8;
float: left;
margin-left: 30px;
}
.nav .nav-img {
text-align: center;
padding-top: 50px;
}
.nav .nav-name {
width: 192px;
height: 30px;
background: #f2f2f2;
margin-top: 33px;
line-height: 30px;
}
.nav .nav-name a {
font-size: 16px;
font-family: '微软雅黑';
padding-left: 10px;
cursor: pointer;
}
.nav .nav-name a:hover {
color: #4a7abe;
}
#last {
position: absolute;
left: 0;
top: 50px;
}
#next {
position: absolute;
right: 0;
top: 50px;
}
.last-next {
/*display: none;*/
cursor: pointer;
}
</style>
</head>
<body>
<div class="nav" id="nav">
<div id="nav-all">
<div class="nav-i">
<div class="nav-img">
<img src="/UploadFiles/2021-04-02/icon1.png">
其中：样式自己调试，最主要的是最下面的script，设置好这些就能达到效果了。
下次要写的轮播的话，只要改变样式就可以了，对于script中的一些数据进行改变就可以了。
以上所述就是本文的全部内容了，希望大家能够喜欢。
标签：
js,图片,轮播
铁雪资源网 Design By www.gsvan.com
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免责声明：本站文章均来自网站采集或用户投稿，网站不提供任何软件下载或自行开发的软件！ 如有用户或公司发现本站内容信息存在侵权行为，请邮件告知！ 858582#qq.com
铁雪资源网 Design By www.gsvan.com
暂无js实现图片点击左右轮播的评论...
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