圖片輪播的辦法有多種，在這裡介紹一種簡單的：js數組實作。
先將圖片路徑儲存在陣列中，然後再呼叫setInterval函數來依序輪播圖片
<script type="text/javascript">
var curIndex = 0;
var timeInterval = 1000;
var arr = new Array();
arr[0] = "1.png";
arr[1] = "2.png";
arr[2] = "3.png";
arr[3] = "4.png";
arr[4] = "5.png";
setInterval(changeImg,timeInterval);
function changeImg() {
var obj = document.getElementById("imge");
if (curIndex == arr.length-1) {
curIndex = 0;
} else {
curIndex += 1;
}
obj.src = arr[curIndex];
}
</script>
完整實例如下
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>使用数组实现图片自动轮播</title>
<style type="text/css">
#main{
width: 700px;
height: 450px;
margin: 0 auto;
text-align: center;
}
</style>
<script type="text/javascript">
var curIndex = 0;
var timeInterval = 1000;
var arr = new Array();
arr[0] = "1.png";
arr[1] = "2.png";
arr[2] = "3.png";
arr[3] = "4.png";
arr[4] = "5.png";
setInterval(changeImg,timeInterval);
function changeImg() {
var obj = document.getElementById("imge");
if (curIndex == arr.length-1) {
curIndex = 0;
} else {
curIndex += 1;
}
obj.src = arr[curIndex];
}
</script>
</head>
<body>
<div id="main">
<h1>使用数组实现图片自动轮播</h1>
<img id = "imge" src = "1.png" alt="picture" />
</div>
</body>
</html>以上就是本文的全部內容，希望對大家的學習有所幫助。
