如何用javascript代码实现图片由右向左滑动效果!!!跪求答案!!!很急!!!!
所要效果和51job页面上方图片自动滑动效果一样:http://companyadc.51job.com/companyads/2014vip/bj/ws0326_882...
所要效果和51job页面上方图片自动滑动效果一样:http://companyadc.51job.com/companyads/2014vip/bj/ws0326_8829wh/index.htm
并且每次播放下面的小数字会自动放大,当鼠标滑过时也要换页!!多谢了!!!在线等很急很急!!! 展开
并且每次播放下面的小数字会自动放大,当鼠标滑过时也要换页!!多谢了!!!在线等很急很急!!! 展开
1个回答
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<div id="ibanner">
<div id="ibanner_pic">
<a><img src="images/1.jpg" alt="" /></a>
<a ><img src="images/2.jpg" alt="" /></a>
<a ><img src="images/3.jpg" alt="" /></a>
</div>
</div>
function $(id) {
return document.getElementById(id);
}
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
oldonload();
func();
}
}
}
function addBtn() {
if (!$('ibanner') || !$('ibanner_pic'))
return;
var picList = $('ibanner_pic').getElementsByTagName('a');
if (picList.length == 0)
return;
var btnBox = document.createElement('div');
btnBox.setAttribute('id', 'ibanner_btn');
var SpanBox = '';
for (var i = 1; i <= picList.length; i++) {
var spanList = '<span class="normal">' + i + '</span>';
SpanBox += spanList;
}
btnBox.innerHTML = SpanBox;
$('ibanner').appendChild(btnBox);
$('ibanner_btn').getElementsByTagName('span')[0].className = 'current';
for (var m = 0; m < picList.length; m++) {
var attributeValue = 'picLi_' + m
picList[m].setAttribute('id', attributeValue);
}
}
function moveElement(elementID, final_x, final_y, interval) {
if (!document.getElementById)
return false;
if (!document.getElementById(elementID))
return false;
var elem = document.getElementById(elementID);
if (elem.movement) {
clearTimeout(elem.movement);
}
if (!elem.style.left) {
elem.style.left = "0px";
}
if (!elem.style.top) {
elem.style.top = "0px";
}
var xpos = parseInt(elem.style.left);
var ypos = parseInt(elem.style.top);
if (xpos == final_x && ypos == final_y) {
moveing = false;
return true;
}
if (xpos < final_x) {
var dist = Math.ceil((final_x - xpos) / 10);
xpos = xpos + dist;
}
if (xpos > final_x) {
var dist = Math.ceil((xpos - final_x) / 10);
xpos = xpos - dist;
}
if (ypos < final_y) {
var dist = Math.ceil((final_y - ypos) / 10);
ypos = ypos + dist;
}
if (ypos > final_y) {
var dist = Math.ceil((ypos - final_y) / 10);
ypos = ypos - dist;
}
elem.style.left = xpos + "px";
elem.style.top = ypos + "px";
var repeat = "moveElement('" + elementID + "'," + final_x + "," + final_y + "," + interval + ")";
elem.movement = setTimeout(repeat, interval);
}
function classNormal() {
var btnList = $('ibanner_btn').getElementsByTagName('span');
for (var i = 0; i < btnList.length; i++) {
btnList[i].className = 'normal';
}
}
function picZ() {
var picList = $('ibanner_pic').getElementsByTagName('a');
for (var i = 0; i < picList.length; i++) {
picList[i].style.zIndex = '1';
}
}
var autoKey = false;
function iBanner() {
if (!$('ibanner') || !$('ibanner_pic') || !$('ibanner_btn'))
return;
$('ibanner').onmouseover = function() {
autoKey = true
};
$('ibanner').onmouseout = function() {
autoKey = false
};
var btnList = $('ibanner_btn').getElementsByTagName('span');
var picList = $('ibanner_pic').getElementsByTagName('a');
if (picList.length == 1)
return;
picList[0].style.zIndex = '2';
for (var m = 0; m < btnList.length; m++) {
btnList[m].onmouseover = function() {
for (var n = 0; n < btnList.length; n++) {
if (btnList[n].className == 'current') {
var currentNum = n;
}
}
classNormal();
picZ();
this.className = 'current';
picList[currentNum].style.zIndex = '2';
var z = this.childNodes[0].nodeValue - 1;
picList[z].style.zIndex = '3';
if (currentNum != z) {
picList[z].style.left = '809px';
moveElement('picLi_' + z, 0, 0, 10);
}
}
}
}
setInterval('autoBanner()', 2500);
function autoBanner() {
if (!$('ibanner') || !$('ibanner_pic') || !$('ibanner_btn') || autoKey)
return;
var btnList = $('ibanner_btn').getElementsByTagName('span');
var picList = $('ibanner_pic').getElementsByTagName('a');
if (picList.length == 1)
return;
for (var i = 0; i < btnList.length; i++) {
if (btnList[i].className == 'current') {
var currentNum = i;
}
}
if (currentNum == (picList.length - 1)) {
classNormal();
picZ();
btnList[0].className = 'current';
picList[currentNum].style.zIndex = '2';
picList[0].style.zIndex = '3';
picList[0].style.left = '809px';
moveElement('picLi_0', 0, 0, 10);
} else {
classNormal();
picZ();
var nextNum = currentNum + 1;
btnList[nextNum].className = 'current';
picList[currentNum].style.zIndex = '2';
picList[nextNum].style.zIndex = '3';
picList[nextNum].style.left = '809px';
moveElement('picLi_' + nextNum, 0, 0, 10);
}
}
addLoadEvent(addBtn);
addLoadEvent(iBanner);
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