SSH经典实例包含用户简单登陆

package action; import java.io.IOException; import java.io.PrintWriter; import java.io.UnsupportedEncodingException; import java.lang.reflect.InvocationTargetException; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.beanutils.BeanUtils; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.actions.DispatchAction; import form.StaffForm; import bean.Department; import bean.Staff; import service.DeptService; import service.StaffService; public class StaffAction extends DispatchAction { private StaffService staffService; private DeptService deptService; /** * @return the staffService */ public StaffService getStaffService() { return staffService; } /** * @param staffService the staffService to set */ public void setStaffService(StaffService staffService) { this.staffService = staffService; } public ActionForward preAdd(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response) { List<Department> list = getDeptService().getAll(); request.setAttribute("list", list); return mapping.findForward("preAdd"); } public ActionForward add(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response) { StaffForm sf = (StaffForm)form; Staff staff = new Staff(); Department dept = new Department(); try { BeanUtils.copyProperties(staff, sf); dept.setDeptId(Long.valueOf(sf.getDeptId())); staff.setDepartment(dept); } catch (IllegalAccessException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (InvocationTargetException e) { // TODO Auto-generated catch block e.printStackTrace(); } getStaffService().add(staff); return mapping.findForward("adds"); } public ActionForward getAll(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response) { List<Staff> list = getStaffService().getAll(); request.setAttribute("list", list); return mapping.findForward("index.jsp"); } public ActionForward checkStaffName(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response) { /*try { request.setCharacterEncoding("UTF-8"); } catch (UnsupportedEncodingException e1) { // TODO Auto-generated catch block e1.printStackTrace(); }*/ String name = request.getParameter("staffName"); boolean isE = getStaffService().checkStaffName(name); PrintWriter out = null; response.setContentType("text/xml"); try { out = response.getWriter(); if(!isE) { name="该用户名已经存在"; } else { name="该用户名可用"; } out.print("<rv><message>"+isE+"</message><name>"+name+"</name></rv>"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } /** * @return the deptService */ public DeptService getDeptService() { return deptService; } /** * @param deptService the deptService to set */ public void setDeptService(DeptService deptService) { this.deptService = deptService; } }