struts2与jquery实现ajax操作

package com.filter; import java.io.IOException; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import org.apache.struts2.dispatcher.FilterDispatcher; public class NewFilterDispatcher extends FilterDispatcher { private static String encoding = "utf-8"; public void init(FilterConfig filterConfig) throws ServletException { super.init(filterConfig); String encodingParam = filterConfig.getInitParameter("encoding"); if (encodingParam != null && encodingParam.trim().length() != 0) { encoding = encodingParam; } } public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { request.setCharacterEncoding(encoding); super.doFilter(request, response, chain); } }