根据“#big”的背景大小自动改变div的大小，该如何做
日期：2014-05-17 浏览次数：20641 次
根据“#big”的背景大小自动改变div的大小，该怎么做
<head runat="server">
<title></title>
<style type="text/css">
.div1{ float:left; padding:20px 20px 20px 20px; background-color:Green; border:1px solid black; cursor:pointer;}
.div2{ width:500px;height:500px;}
</style>
<script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>
<script type="text/javascript">
var currDiv
$(document).ready(function () {
$(".div1").click(function () {
currDiv = $(this);
var imgsrc = currDiv.find("img").attr("src");
var image = new Image();
image.src = imgsrc;
var w = image.width;
var h = image.height;
$("#big").css('background-image', 'url(' + imgsrc + ')');
$("#big").width(w);
$("#big").height(h);
$("#big").show();
});
$("#left").click(function () {
var img1 = new Array();
img1 = document.getElementById('big').currentStyle.backgroundImage;
var a = Number(img1[32]) - 1;
if (a > 0) {
$("#big").css('background-image', 'url(img/' + a + '.jpg)');
}
else {
alert("已经是第一张图片");
}
});
$("#right").click(function () {
var img1 = new Array();
img1 = document.getElementById('big').currentStyle.backgroundImage;
var a = Number(img1[32]) + 1;
if (a < 9) {
$("#big").css('background-image', 'url(img/' + a + '.jpg)');
}
else {
alert("已经是最后一张图片");
}
});
});
</script>
</head>
<body>
<div class="div1"><img src="img/1.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/2.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/3.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/4.jpg" alt="无法显示" /></div>
<div style=" clear:both;"></div>
<div class="div1"><img src="img/5.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/6.gif" alt="无法显示" /></div>
<div class="div1"><img src="img/7.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/8.jpg" alt="无法显示" /></div>
<div style=" clear:both;"></div>
<div id="big" style="margin:0 auto;border:1px solid black; width:auto; height:auto; ">
<div id="left" style="float:left;width:50%;height:100%;border:0px solid black;"></div>
<div id="right" style="float:left;width:50%;height:100%;border:0px solid black;"></div&
<head runat="server">
<title></title>
<style type="text/css">
.div1{ float:left; padding:20px 20px 20px 20px; background-color:Green; border:1px solid black; cursor:pointer;}
.div2{ width:500px;height:500px;}
</style>
<script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>
<script type="text/javascript">
var currDiv
$(document).ready(function () {
$(".div1").click(function () {
currDiv = $(this);
var imgsrc = currDiv.find("img").attr("src");
var image = new Image();
image.src = imgsrc;
var w = image.width;
var h = image.height;
$("#big").css('background-image', 'url(' + imgsrc + ')');
$("#big").width(w);
$("#big").height(h);
$("#big").show();
});
$("#left").click(function () {
var img1 = new Array();
img1 = document.getElementById('big').currentStyle.backgroundImage;
var a = Number(img1[32]) - 1;
if (a > 0) {
$("#big").css('background-image', 'url(img/' + a + '.jpg)');
}
else {
alert("已经是第一张图片");
}
});
$("#right").click(function () {
var img1 = new Array();
img1 = document.getElementById('big').currentStyle.backgroundImage;
var a = Number(img1[32]) + 1;
if (a < 9) {
$("#big").css('background-image', 'url(img/' + a + '.jpg)');
}
else {
alert("已经是最后一张图片");
}
});
});
</script>
</head>
<body>
<div class="div1"><img src="img/1.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/2.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/3.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/4.jpg" alt="无法显示" /></div>
<div style=" clear:both;"></div>
<div class="div1"><img src="img/5.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/6.gif" alt="无法显示" /></div>
<div class="div1"><img src="img/7.jpg" alt="无法显示" /></div>
<div class="div1"><img src="img/8.jpg" alt="无法显示" /></div>
<div style=" clear:both;"></div>
<div id="big" style="margin:0 auto;border:1px solid black; width:auto; height:auto; ">
<div id="left" style="float:left;width:50%;height:100%;border:0px solid black;"></div>
<div id="right" style="float:left;width:50%;height:100%;border:0px solid black;"></div&
免责声明： 本文仅代表作者个人观点，与爱易网无关。其原创性以及文中陈述文字和内容未经本站证实，对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不作任何保证或承诺，请读者仅作参考，并请自行核实相关内容。
