第二周作业

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%!public int continueSum(int start, int end) {
int sum = 0;
for (int i = start; i <= end; i++)
sum = sum + i;
return sum;
}%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>

<title>My JSP 'index.jsp' starting page</title>

</head>

<body>
<script type="text/javascript">
var userTime = new Date();
var hour = userTime.getHours();
var minute = userTime.getMinutes();
document.write("浏览器时间:"+hour + ":" + minute);

</script>
<%
Date d = new Date();
int hour = d.getHours();
int minute = d.getMinutes();
out.print("服务器时间:"+hour + ":" + minute);
if (hour >= 0 && hour <= 12) {
out.print("上午好");
} else if (hour >= 13 && hour <= 17) {
out.print("下午好");
} else {
out.print("晚上好");
}
%>
</body>
</html>

 

 

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>

<title>My JSP 'index.jsp' starting page</title>

</head>

<body>
<%! public void run(int year){

if((year%4==0&&year%100!=0)||(year%400==0)){
System.out.print(year+"是闰年");
}
else{
System.out.print(year+"不是闰年");

}
} %>
<% int year=2023;
run(year);
%>
</body>
</html>

 

 

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>

<title>My JSP 'index.jsp' starting page</title>

</head>

<body>

<%for(int i=1;i<=5;i++){ %>
<hr width="<%=i*100%>">

<%
} %>

</body>
</html>

 

 

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%!public int continueSum(int start, int end) {
        int sum = 0;
        for (int i = start; i <= end; i++)
            sum = sum + i;
        return sum;
    }%>
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
 
<title>My JSP 'index.jsp' starting page</title>
 
</head>
 
<body>
    <script type="text/javascript">
        var userTime = new Date();
        var hour = userTime.getHours();
        var minute = userTime.getMinutes();
        document.write("浏览器时间:"+hour + ":" + minute);
         
    </script>
     
    <%
    /*
        Date d = new Date();
        int hour = d.getHours();
        int minute = d.getMinutes();
out.print("服务器时间:"+hour + ":" + minute);
        if (hour >= 0 && hour <= 12) {
            out.print("上午好");
        } else if (hour >= 13 && hour <= 17) {
            out.print("下午好");
        } else {
            out.print("晚上好");
        }
        */
    %>
     
</body>
</html>

　　

  第二题注释

 

复制代码
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>

<title>My JSP 'index.jsp' starting page</title>

</head>
<!-- 这个是HTML注释 -->
<body>
<%! public void run(int year){

    if((year%4==0&&year%100!=0)||(year%400==0)){
        System.out.print(year+"是闰年");
      }
     else{
     System.out.print(year+"不是闰年");
     
        }
    } %>
    <% int year=2023;
        run(year);
     %>
</body>
</html>
复制代码

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>

<title>My JSP 'index.jsp' starting page</title>

</head>

<body>


<%-- 这个是jsp的注释 --%>
<%for(int i=1;i<=5;i++){ %>
<hr width="<%=i*100%>">

<%
} %>

</body>
</html>

posted on 2022-03-13 19:30  计算机1901金百乙  阅读(21)  评论(0)    收藏  举报