两个学习型的网页图片代码
2013-03-22 16:19
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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=utf-8" />
<title>鼠标移过，改变图片路径</title>
<style>
body,ul,li{margin:0;padding:0;}
body{background:#000;}
img{border:0;border-radius:3px;}
ul{list-style-type:none;}
#box{width:212px;border:5px solid #fff;overflow:hidden;zoom:1;background:#fff;border-radius:5px;margin:10px auto;padding:0 0 3px 3px;}
#box li,#box li img{float:left;width:50px;height:50px;}
#box li{margin:3px 3px 0 0;}
#box li.first{position:relative;}
#box li.first,#box li.first img{width:156px;height:156px;}
#box li.first div{position:absolute;top:0;left:0;width:156px;height:156px;display:none;opacity:0.5;filter:alpha(opacity=50);background:#fff url(img/loading.gif) 50% 50% no-repeat;}
</style>
<script type="text/javascript">
window.onload = function ()
{
var oImg = document.getElementById("box").getElementsByTagName("img");
var oDiv = document.getElementsByTagName("div")[0];
for (var i = 1; i < oImg.length; i++)
{
oImg[i].onmouseover = function ()
{
var img = new Image();
img.src = oImg[0].src = this.src.replace(/small/,"big");
oDiv.style.display = "block";
img.complete ? oDiv.style.display = "none" : (oImg[0].onload = function() {oDiv.style.display = "none"})
}
}
};
</script>
</head>
<body>
<ul id="box">
<li class="first"><img src="img/big_1.jpg"><div></div></li>
<li><a href="javascript:;"><img src="img/small_1.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_2.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_3.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_4.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_5.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_6.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_7.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_8.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_9.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_10.jpg"></a></li>
<li><a href="javascript:;"><img src="img/small_11.jpg"></a></li>
</ul>
</body>
</html>另外使用JQ代码的图片查看器
<!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=utf-8" />
<title>jquery 图片展示</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js" type="text/javascript"></script>
<style type="text/css">
/*影像显示CSS*/
#xzy_zoom{
border: 10px solid #777;
width:350px;
height:300px;
display: none;
top:0;left:0;
overflow: hidden;
position: absolute;
box-shadow:1px 0 6px 0 rgba(0, 0, 0, 0.6);
background-color: #e5e5e5;
cursor: move;
z-index: 1000
}
#xzy_zoom_title{
position: absolute;
z-index: 1002;
height: 22px;
overflow: hidden;
border-bottom: 1px solid #ddd;
line-height: 22px;
width:350px;
font-size: 12px;
font-family: "宋体";
padding-left: 4px;
background-color: #125fad;
color: #fff
}
#xzy_zoom_title ul{
float: right;margin: 0;padding: 0;
}
#xzy_zoom_title ul li{
margin: 0;padding: 0;
float: left;
list-style: none;
height:22px;
width: 20px;
cursor: pointer;
background-image: url("zoom_close.gif");
background-repeat: no-repeat;
background-position: center 0;
}
#xzy_zoom_title #xzy_zoom_close{background-position: center -36px}
#xzy_zoom_title #xzy_zoom_right{background-position: center -18px}
#xzy_zoom_pic{
position: absolute;
z-index: 1001;
cursor: move;
border: 1px solid #ddd;
}
.zoom{
width:150px;
float: left;
}
.zoom_pic{
width:110px;
height:80px;
margin:10px 20px;
overflow: hidden;
cursor: pointer;
border: 1px solid #ddd;
text-align: center
}
.zoom_pic:hover{border: 1px solid #f93;}
.zoom_name{
text-align: center;
font-size: 12px;
font-weight: bold;
color: #069
}
</style>
</head>
<body>
<div style="margin:50px auto">
<div class="zoom"><div class="zoom_pic"><img src="http://www.scscms.com/FUploadFile/image/2010-9/Kerem_6.jpg" class="z_pic" width="110" alt="名称"/> </div><div class="zoom_name">名称</div></div>
<div class="zoom"><div class="zoom_pic"><img src="http://www.scscms.com/FUploadFile/image/2010-9/kc1.jpg" class="z_pic" width="110" alt="孔雀"/> </div><div class="zoom_name">孔雀</div></div>
<div class="zoom"><div class="zoom_pic"><img src="http://www.scscms.com/FUploadFile/image/2010-9/gc2.jpg" class="z_pic" width="110" alt="国庆"/> </div><div class="zoom_name">国庆</div></div>
<div class="zoom"><div class="zoom_pic"><img src="http://www.scscms.com/FUploadFile/image/2010-9/2008781032576_2.jpg" class="z_pic" width="110" alt="可爱"/> </div><div class="zoom_name">可爱</div></div>
<div class="zoom"><div class="zoom_pic"><img src="http://www.scscms.com/FUploadFile/image/2010-9/2988027_140201300113_2.jpg" class="z_pic" width="110" alt="蝴蝶"/> </div><div class="zoom_name">蝴蝶</div></div>
</div>
<script type="text/javascript">
$(document).ready(function() {
setTimeout(function(){
$.each($(".z_pic"),function(){
var i=$(this).height();
if(i>80){
$(this).css({height:"80px",width:"auto"});
}else{
$(this).css({marginTop:parseInt(40-i/2)+"px"});
}
});
},1000);
/*弹出div的宽，高，缩放倍数，最小的缩放尺寸*/
$(".z_pic").xzy_zoom(600,500,5,200);
});
jQuery.fn.extend({
xzy_zoom:function (w,h,unit,min){
w=w||300;
h=h||300;
unit=unit||5;
min=min||200;
var g_l,g_t,g_id="xzy_zoom_pic";
$('body').append('<div id="xzy_zoom"><div id="xzy_zoom_title"><ul><li id="xzy_zoom_left" title="左转90度"></li><li id="xzy_zoom_right" title="右转90度"></li><li id="xzy_zoom_close" title="点击关闭"></li></ul><span></span></div><img src="" id="'+g_id+'" /></div>');
$("#xzy_zoom_title").width(w-4);
$("#xzy_zoom").css({height:h-22,width:w});
$(this).click(function(){
rotate_pic("restore");
var url=$(this).attr("src");
var t=$(this).offset().top;
var img = new Image();
img.onload=function(){
g_l=Math.floor((w-this.width)/2);
g_t=Math.floor((h-this.height)/2);
$("#"+g_id).attr("src",url).css({width:"auto",height:"auto",left:g_l,top:g_t,marginLeft:0,marginTop:0});
$("#xzy_zoom").css({display:"block",left:Math.floor($(window).width()/2-w/2),top:t});
};
img.src=url;
$("#xzy_zoom_title span").html($(this).attr("alt"));
});
function move_div(id){
$(id).mousedown(function (e) {
var oe=e||window.event;
var $this = document.getElementById($(this).attr("id"));
var startX = oe.clientX - $this.offsetLeft+parseFloat($(this).css("marginLeft"));
var startY = oe.clientY - $this.offsetTop+parseFloat($(this).css("marginTop"));
document.onmousemove = function (e) {
var oe = e || window.event;
$this.style.left = oe.clientX - startX + "px";
$this.style.top = oe.clientY - startY + "px";
};
document.onmouseup = function () {
document.onmousemove = document.onmouseup = null;
if ($this.releaseCapture)$this.releaseCapture();
};
if ($this.setCapture)$this.setCapture();
return false;
});
}
function scrollMouse(e) {
var direct = 0;
e = e || window.event;
if (e.wheelDelta) {
direct = e.wheelDelta;
e.returnValue=false
} else if (e.detail) {
direct = e.detail;
e.preventDefault();
}
var W = $(this).width();
var ratio=$(this).height()/W;
var _t =$(this).position().top;
var _l =$(this).position().left;
if (direct < 0) {
W += unit;
_t-= unit/2*ratio;
_l-= unit/2;
} else {
W -= unit;
_t+= unit/2*ratio;
_l+= unit/2;
}
if(W>min){
if(i_rotate%180==0)
$(this).css({height:"auto",width:W,top:_t,left:_l});
else{
if(isIE)
$(this).css({height:W,width:"auto",top:_t,left:_l});
else
$(this).css({width:W});//非IE下难以居中缩放
}
}
return false;
}
$("#"+g_id).mouseover(function(){
if (document.addEventListener) {
this.addEventListener('DOMMouseScroll', scrollMouse, false);
}
this.onmousewheel = scrollMouse;
}).dblclick(function(){
rotate_pic("restore");
$(this).css({width:"auto",height:"auto",left:g_l,top:g_t});
});
move_div("#"+g_id);
move_div("#xzy_zoom");
$("#xzy_zoom_close").click(function(){
$("#xzy_zoom").hide();
});
$("#xzy_zoom_left").click(function(){rotate_pic(-90)});
$("#xzy_zoom_right").click(function(){rotate_pic(90)});
var i_rotate=0,
userAgent = navigator.userAgent,
isIE = /msie/i.test(userAgent) && !window.opera,
isWebKit = /webkit/i.test(userAgent),
isFirefox = /firefox/i.test(userAgent);
function rotate_pic(n) {
if(isNaN(n)){
i_rotate=0;
}else{
i_rotate+=n;
}
var degree=i_rotate%360;
var temp=Math.abs(degree);
var target=document.getElementById(g_id);
if (isWebKit){
target.style.webkitTransform = "rotate("+degree+"deg)";
} else if (isFirefox){
target.style.MozTransform = "rotate("+degree+"deg)";
} else if (isIE) {
degree = degree / 180 * Math.PI;
var sinDeg = Math.sin(degree);
var cosDeg = Math.cos(degree);
target.style.filter = "progid:DXImageTransform.Microsoft.Matrix(M11="+cosDeg+",M12="+(-sinDeg)+",M21="+sinDeg+",M22="+cosDeg+",SizingMethod='auto expand')";
//解决旋转居中
var i_w=target.width,i_h=target.height,i_m=Math.max(i_w,i_h);
if(temp%180==0){
$("#"+g_id).css({marginLeft:0,marginTop:0});
}else{
$("#"+g_id).css({marginLeft:(i_m-i_h)/2,marginTop:(i_h-i_m)/2});
}
} else {
target.style.transform = "rotate("+degree+"deg)";
}
}
}
});
</script>
</body>
</html>
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