jsp第三周作业

main.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <body>
  <%double r=2,a=3,b=4,h=5; %>
  
<br>circle
       <jsp:include page="circle.jsp">
       <jsp:param value="<%= r %>" name="R"/>
       </jsp:include>
     
 <br>ladder
         <jsp:include page="ladder.jsp">
          <jsp:param value="<%= a %>" name="A"/>
          <jsp:param value="<%= b %>" name="B"/>
          <jsp:param value="<%= h %>" name="H"/>
          </jsp:include>      
   </body>
</html>

circle.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
 
  
  <body>
    
    <%
    String R=request.getParameter("R");
    double r=Double.parseDouble(R);
    double mj=r*r*3.14;
    %>   
    
   <br>传递的半径是:<%=r%>
   <br>圆的面积是：<%=mj%>
  </body>
</html>

ladder.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

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

  
  <body>

 <%
      String A=request.getParameter("A");
     String B=request.getParameter("B");
     String H=request.getParameter("H");  
      double a=Double.parseDouble(A); 
      double b=Double.parseDouble(B);
     double h=Double.parseDouble(H);
     double area=(a+b)*h/2;
%> 
    <br>传递的上底、下底、高是：<%=A%> <%=B %>  <%=H%>
    <br>梯形面积：<%=area %>

  </body>
</html>

 

posted @ 2020-03-21 21:45  成长的蓝天下  阅读(88)  评论(0)  编辑  收藏  举报