1.确保项目编码为utf8,点击项目右键,点击properties 2.确保数据库编码为utf8,以MySQL为例,可到mysql目录下,my.ini文件中修改后,重启mysql服务 重启mysql服务方法: 点击计算机右键,管理,重新启动mysql 3.数据库建库时,确认编码为utf-8,以使用Sqlyog为例 4.jsp页面 顶端加入<%@ page language="Java" import="java.util.*" pageEncoding="UTF-8"%> Head中加入 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 表单提交方式设为"Post" 5.如果使用spring,在web.xml中加入 <filter> <filter-name>characterEncodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>characterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> 6.在controller/action中,设置 request.setCharacterEncoding("utf-8"); response.setCharacterEncoding("utf-8"); 7.TOMCAT设置 conf-server.xml <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" URIEncoding="UTF-8" useBodyEncodingForURI="true"/>
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原文:https://www.cnblogs.com/MeatBallh/p/13865893.html