//Created by MyEclipse Struts// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.1/xslt/JavaClass.xslpackage com.huang.actions;import java.util.ArrayList;import java.util.HashMap;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import com.huang.common.DB.DBtool;import com.huang.forms.UpdateTeacherForm;public class UpdateTeacherAction extends Action {	public ActionForward execute(		ActionMapping mapping,		ActionForm form,		HttpServletRequest request,		HttpServletResponse response) {		UpdateTeacherForm updateTeacherForm = (UpdateTeacherForm) form;		// TODO Auto-generated method stub				String index = (String)request.getParameter("index");				if(index.equals("first")) {			String teacher_id = (String)request.getParameter("id");			ArrayList list = DBtool.getDataList("tb_teacher",new String[]{"teacher_name","teacher_sex","teacher_label"});			String teacher_name = ((HashMap)list.get(0)).get("teacher_name").toString();			String teacher_sex = ((HashMap)list.get(0)).get("teacher_sex").toString();			String teacher_label = ((HashMap)list.get(0)).get("teacher_label").toString();						request.setAttribute("teacher_id",teacher_id);			request.setAttribute("teacher_name",teacher_name);			request.setAttribute("teacher_sex",teacher_sex);			request.setAttribute("teacher_label",teacher_label);			return mapping.findForward("fail");					}		if(index.equals("update")) {			String teacher_id = (String)request.getParameter("id");			String teacher_name = updateTeacherForm.getTeacher_name();			String teacher_sex = updateTeacherForm.getTeacher_sex();			String teacher_label = updateTeacherForm.getTeacher_label();						String sql = "update tb_teacher set teacher_name='"+teacher_name+"',teacher_sex='"+teacher_sex+"',teacher_label='"+teacher_label+"' where teacher_id='"+teacher_id+"' ";			DBtool.updateData(sql);			return mapping.findForward("success");		}		return null;	}}