方法1、添加自己的过滤器
1.1建包com.myz.web.filters,在包下新建Myfliter类
package com.myz.web.filters; import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServlet; public class MyFilter extends HttpServlet implements Filter { public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2) throws IOException, ServletException { // TODO Auto-generated method stub arg0.setCharacterEncoding("utf-8"); arg2.doFilter(arg0, arg1); } public void init(FilterConfig arg0) throws ServletException { // TODO Auto-generated method stub } }
1.2.web.xml中配置filter信息
<filter> <filter-name>myFilter</filter-name> <filter-class>com.myz.web.filters.MyFilter</filter-class> </filter> <filter-mapping> <filter-name>myFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
方法2.使用spring提供的过滤器,仅需在web.xml中配置
<filter> <filter-name>encoding</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> </filter> <filter-mapping> <filter-name>encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>