form.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "https://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>
</head>
<body>
<a href="/go.html?url=${pageContext.request.contextPath}/CharacterServlet?username=小小的太阳&password=123456">Get提交</a>
<form action="${pageContext.request.contextPath}/CharacterServlet" method="post">
姓名：<input type="text" name="username"><br>
密码：<input type="text" name="password"><br>
<input type="submit" value="提交">
<input type="reset" value="重置">
</form>
</body>
</html><%@ page language="java" contentType
