方法一、手动编写中文乱码过滤器
方法二、使用核心过滤器
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
chain.doFilter(request,response);
System.out.println("过滤器utf-8");
}
<!-- 手动编写中文乱码过滤器-->
<filter>
<filter-name>characterEncoding</filter-name>
<filter-class>dlr.co.util.CharacterEncodingFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>characterEncoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
方法二、使用核心过滤器
<!-- 配置核心过滤器 -->
<filter>
<filter-name>SetCharacterEncoding</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>SetCharacterEncoding</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
<dispatcher>INCLUDE</dispatcher>
</filter-mapping>
<filter-mapping>
<filter-name>SetCharacterEncoding</filter-name>
<url-pattern>*.jsp</url-pattern>
</filter-mapping>