js写每周换一次div图片和名字 

<!doctype html>
<html>
<head>
<meta charset="gb2312">
<title>js写每周换一次div图片和名字</title>
</head>
<body>
<div ><img id="zj_pic" src="" style="width:300px;"/><p id="zj_name"></p></div>

<script>
var pic = new Array();
var mingzi = new Array();

pic[0] = "https://gss1.bdstatic.com/-vo3dSag_xI4khGkpoWK1HF6hhy/baike/c0%3Dbaike150%2C5%2C5%2C150%2C50/sign=4fa76e93e7fe9925df01610255c135ba/7e3e6709c93d70cf4e49dc5bffdcd100baa12b30.jpg";
pic[1] = "https://gss3.bdstatic.com/-Po3dSag_xI4khGkpoWK1HF6hhy/baike/c0%3Dbaike150%2C5%2C5%2C150%2C50/sign=3c4002440c46f21fdd395601974d0005/cb8065380cd791237c57d8cbab345982b3b780de.jpg";
pic[2] = "https://gss1.bdstatic.com/9vo3dSag_xI4khGkpoWK1HF6hhy/baike/c0%3Dbaike180%2C5%2C5%2C180%2C60/sign=8884ca94b651f819e5280b18bbdd2188/f603918fa0ec08fae0ab5f185fee3d6d54fbdae2.jpg";
pic[3] = "https://gss1.bdstatic.com/-vo3dSag_xI4khGkpoWK1HF6hhy/baike/c0%3Dbaike150%2C5%2C5%2C150%2C50/sign=c7de1856f4d3572c72ef948eeb7a0842/8644ebf81a4c510f14f6ada56659252dd42aa55b.jpg";
mingzi[0]="1";
mingzi[1]="2";
mingzi[2]="3";
mingzi[3]="4";  
   
var s1 = '2018-07-02';//开始时间
s1 = new Date(s1.replace(/-/g, "/"));//开始时间
s2 = new Date();//当前时间
var days = s2.getTime() - s1.getTime();//当前时间与定义的时间戳
var time = parseInt(days / (1000 * 60 * 60 * 24));
//当前时间与定义的时间戳天数    
var yu = parseInt(time/7);    
var cxfz = yu%4;
if(cxfz==0 ){    
    document.getElementById('zj_pic').src=pic[0];
    document.getElementById('zj_name').innerHTML =mingzi[0];        
    }else if(cxfz==1){        
        document.getElementById('zj_pic').src=pic[1];
        document.getElementById('zj_name').innerHTML =mingzi[1];        
    }else if(cxfz==2){        
        document.getElementById('zj_pic').src=pic[2];
        document.getElementById('zj_name').innerHTML =mingzi[2];                
    }else if(cxfz==3){        
        document.getElementById('zj_pic').src=pic[3];
        document.getElementById('zj_name').innerHTML =mingzi[3];        
    }
</script>



</body>
</html>

 

posted @ 2018-07-29 16:01  林育松  阅读(463)  评论(0)  编辑  收藏  举报