参考:(idea)https://blog.csdn.net/CalabashGourd/article/details/99676670
(jsp)https://www.cnblogs.com/lucky-zhangcd/p/8444018.html
(tongweb)https://blog.csdn.net/realwangpu/article/details/109540781
jsp中编码设置方式:
1<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
2<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "https://www.w3.org/TR/html4/loose.dtd">
3<html>
4<head>
5<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
6</head>
7<body>
8
9</body>
10</html>
??
??