对于使用了SSH造成的中文乱码问题，4大解决方法

修改struts2.xml

struts2.xml 中添加 

<constant name="struts.i18n.encoding" value="UTF-8"></constant>

配置jsp页面

jsp页面加入

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>

配置Spring的web.xml

在web.xml 加入针对Spring的拦截器 <!-- 请求与响应的 编码处理 -->

<filter>
<filter-name>encodingFilter</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>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

修改TOMCAT配置

修改tomcat的 /conf/server.xml中的

<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443">

为

<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" URIEncoding="UTF-8" useBodyEncodingForURI="true" />