Little knowledge of jsp head

*、<%@page pageEncoding="UTF-8" contentType="text/html; charset=UTF-8" %>

Indicates the page type html of this page, and the encoding format adopted is UTF-8

 

*、<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

Indicates that when the server sends a document to the browser, it tells the browser to accept a document in html format, and the encoding format is GB2312