Java获取当前学年学期&js判断客户端类型

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1、java通过后台获取当前学年学期

import java.util.Calendar;

public class TestRedis {

public static void main(String[] args) {

Calendar cal = Calendar.getInstance();

int year = cal.get(Calendar.YEAR);
int month = cal.get(Calendar.MONTH) + 1;
String currXueqi = (year - 1) + "-" + year+" 1";
if (month > 8 || month < 2) {
currXueqi = year + "-" + (year + 1)+" 2";
}

System.out.println(currXueqi);

}

2、通过前端js判断当前客户端类别

<!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>
<title>Video.js | HTML5 Video Player</title>
</head>

<body>

</body>
<script type="text/javascript">
function IsPC() {
var userAgentInfo = navigator.userAgent;
var Agents = ["Android", "iPhone",
"SymbianOS", "Windows Phone",
"iPad", "iPod","Linux"];
var flag = true;
for (var v = 0; v < Agents.length; v++) {
if (userAgentInfo.indexOf(Agents[v]) > 0) {
flag = false;
break;
}
}
return flag;
};
alert(IsPC());
</script>
</html>

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