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;
public class EncodingFilter implements Filter{
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
FilterChain filterChain) throws IOException, ServletException {
servletRequest.setCharacterEncoding("utf-8");
servletResponse.setContentType("text/html;charset=UTF-8");
filterChain.doFilter(servletRequest, servletResponse);
}
public void init(FilterConfig arg0) throws ServletException {
System.setProperty("file.encoding","utf-8");
}
public void destroy() {
}
}
注意标红的两句，把上面那个filter配置在xml里面：
<filter>
<filter-name>loggerfilter</filter-name>
<filter-class>wu.sys.cores.EncodingFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>loggerfilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
如果还不能成功，可能是浏览器缓存，自己清空一下缓存。
