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  • jsp第三个作业

    main.jsp

    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
    
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
      
      </head>
      
      <body>
        <jsp:include page="circle.jsp" flush="true">
        <jsp:param  name="radius" value="3"/>
        </jsp:include>
        <br>
        <jsp:include page="ladder.jsp">
        <jsp:param value="2" name="shang"/>
        <jsp:param value="2" name="xia"/>
        <jsp:param value="2" name="gao"/>
        </jsp:include>
      </body>
    </html>

    circle.jsp

    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
    
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
      <title>My JSP 'circle.jsp' starting page</title>
      </head>
      
      <body>
       <%
      String a=request.getParameter("radius");
      double b=Double.parseDouble(a);
      double PI=3.14;
      out.print("圆面积:"+(PI*b*b));
       %>
       
       
       
      </body>
    </html>

    ladder.jsp

    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
    
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
       
      </head>
      
      <body>
       <%
      String a=request.getParameter("shang");
      String b=request.getParameter("xia");
      String c=request.getParameter("gao");
      double d=Double.parseDouble(a);
      double e=Double.parseDouble(b);
      double f=Double.parseDouble(c);
      out.print("梯形面积:"+((d+e)*f/2));
       %>
      </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/Suzy-an/p/12556994.html
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