page指令
<%@ 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>
</head>
<body>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
1.language="java" jsp支持的语言(只能是java)
2.contentType="text/html; charset=utf-8" jsp内容类型以及内容编码
3.pageEncoding="utf-8" jsp的编码