checkbox全选，选中数据传到后台

package org.action; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.print.PageFormat; import java.awt.print.Printable; import java.awt.print.PrinterException; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts2.interceptor.ServletRequestAware; import org.apache.struts2.interceptor.ServletResponseAware; import org.dao.TestDao; import com.opensymphony.xwork2.ActionSupport; public class test22 extends ActionSupport implements ServletRequestAware, ServletResponseAware { private HttpServletRequest request; private HttpServletResponse response; private TestDao testDao; private List xianshilist; public String findall() throws Exception { xianshilist=testDao.findAllinformation(); System.out.println(xianshilist); return "success"; } public String allout()throws Exception{ //获取前台传过来的数据 String datasss = request.getParameter("datasss"); //String password = request.getParameter("password"); String k[]=datasss.split(","); System.out.println(k.length); return "success"; } public List getXianshilist() { return xianshilist; } public void setXianshilist(List xianshilist) { this.xianshilist = xianshilist; } public TestDao getTestDao() { return testDao; } public void setTestDao(TestDao testDao) { this.testDao = testDao; } @Override public void setServletRequest(HttpServletRequest arg0) { // TODO Auto-generated method stub this.request=arg0; } @Override public void setServletResponse(HttpServletResponse arg0) { // TODO Auto-generated method stub this.response=arg0; } }