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Calculator.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> <head> <base href="<%=basePath%>"> <title>制作简易计算器</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> <form action="servlet/ResultServlet" method="post"> <table> <tr> <td> <label>操作数一:</label> <input type="text" name="operandOne"/> </td> </tr> <tr> <td> <label>操作数二:</label> <input type="text" name="operandTwo"/> </td> </tr> <tr> <td> <label>运算符:</label> <select name="operator"> <option>+</option> <option>-</option> <option>*</option> <option>/</option> </select> </td> </tr> <tr> <td> <input type="submit" value="计算"> </td> </tr> </table> </form> </body> </html>
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