日期:2014-05-16 浏览次数:20715 次
<!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=gb2312" />
<title>无标题文档</title>
<script>
var i = parseInt(Math.round(22*Math.random()));//得到一个0-22内随即一个数
var src = "imges/" + i +".jpg"; //自己可以设置路径拼串
alert(src)
document.getElementById("src").src = src;
</script>
</head>
<body>
<img id="src" src="" />
</body>
</html>