jsp:计算和值并显示结果的页面

(1)提交页面

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>

<title>提交页面</title>
</head>
<body>
<h3>按照下列要求输入两个整数</h3>
<form action="web03.jsp" method="post">
 首数据:<input name="data1"><br>
 尾数据:<input name="data2"><br>
 <input type=submit value="提交">
</form>
</body>
</html>

(2)计算和值页面

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>计算页面</title>
</head>
<body>
<%! int sum=0;int x=0;int y=0; %>
<%
String xx=request.getParameter("data1");
String yy=request.getParameter("data2");
x=Integer.parseInt(xx);
y=Integer.parseInt(yy);
while(x<=y)
{
	sum+=x;
	++x;
}
%>
<p><%=xx %>加到<%=yy %>的和值是:<%=sum %></p>
<p>现在的时间是:<%=new java.util.Date() %></p>

</body>
</html>

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