MyJavaScriptCode/changImages.html at master · YuHe0108/MyJavaScriptCode · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title>根据小图片切换大图片</title>
	<link rel="stylesheet" href="">
	<style>
		* {
			margin: 0;
			padding: 0;
		}
		.c_father {
			height: 617px;
			width: 500px;
			box-sizing: border-box;
			/*margin: 80px auto;*/
			margin: 45px auto;
			margin-left: 325px;
		}
		#i_top {
			height: 60px;
			width: 500px;
			margin-bottom: 5px;
			text-align: left;
			line-height: 60px;
			font-size: 30px;
			font-family: "宋体";
			color: orange;
		}
		#i_cont {
			height: 400px;
			width: 500px;
			margin-bottom: 20px;
		}
		#i_cont .c_big {
			height: 400px;
			width: 678px;
		}
		#i_bot {
			height: 100px;
			width: 745px;
		}
		#i_bot .c_small {
			height: 63px;
			width: 116px;
			float: left;
			margin-left: 15px;
			cursor: pointer;
		}
	</style>
	<script>
		window.onload = function () {
			var aImgs = document.getElementsByTagName('img');
			var oBig = aImgs[0];
			var oSpa = document.getElementsByTagName('span')[0];

			for (var i = 1; i < aImgs.length; i++) {
				aImgs[i].onclick = function () {
					var oSrc = this.getAttribute("src");
					var oDec = this.getAttribute("dec");
					oBig.setAttribute("src", oSrc);
					oSpa.innerText = oDec;
				};
			}
		};
	</script>
</head>
<body>
	<div id="i_father" class="c_father">
		<div id="i_top">
			<span>一段描述</span>
		</div>
		<div id="i_cont">
			<img src="images/风景1.jpg" alt="" class="c_big">
		</div>
		<div id="i_bot">
			<img src="images/风景1.jpg" alt="" class="c_small" id="i_img1" dec="大山">
			<img src="images/风景2.jpg" alt="" class="c_small" dec="法国建筑">
			<img src="images/风景3.jpg" alt="" class="c_small" dec="宇宙星空">
			<img src="images/风景4.jpg" alt="" class="c_small" dec="神奇建筑">
			<img src="images/风景5.jpg" alt="" class="c_small" dec="护城河畔">
		</div>
	</div>
</body>
</html>