界面如下图所示
输入界面
<%@ 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>Insert title here</title>
<link href="form.css" rel="stylesheet" type="text/css">
<style type="text/css">
label{
display:inline-block;
padding:3px 6px;
text-align:right;
width:200px;
vertical-align:top;
}
body{
background-repeat: no-repeat;
background-size: cover;
}
</style>
</head>
<body>
<br><br><br>
<div id="login">
<div id="form">
<form>
<p><a text-align="center"><font size="6" color="black"><b><i> 复数四则运算</i></b></font></a></p><br><br><br>
<font size="2" color="black">
<label >请输入第一个复数的实部:</label>
<input name="first1" class="name" type="text" id="first1" size="20" value="${param.id}"><br><br>
<label >请输入第一个复数的虚部:</label>
<input name="first2" class="name" type="text" id="first2" size="20" value="${param.id}"><br><br>
<label >请输入第二个复数的实部:</label>
<input name="second1" class="name" type="text" id="second1" size="20" value="${param.id}"><br><br>
<label >请输入第二个复数的虚部:</label>
<input name="second2" class