Struts2.0+Hibernate小实例

package net.learntechnology.struts2demo.action; import java.util.*; import net.learntechnology.struts2demo.service.*; import net.learntechnology.struts2demo.vo.*; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; /** * The Action Class Used for CRUD Project * @author Ma YueFeng */ public class EmployeeAction extends ActionSupport { private static final long serialVersionUID = 1L; private DepartmentService deptService = new DepartmentDaoService() ; private EmployeeService empService = new EmployeeDaoService(); private Employee employee; private List<Employee> employees; private List<Department> departments; public String getAllEmployees(){ employees = empService.getAllEmployees(); return "success"; } public String setUpForInsertOrUpdate(){ prep(); if (employee != null && employee.getEmployeeId() != null) { employee = empService.getEmployee(employee.getEmployeeId()); } return "success"; } public String insertOrUpdate(){ if(!validationSuccessful()){ return "input"; }else{ if (employee.getEmployeeId() == null) { empService.insertEmployee(employee); } else { empService.updateEmployee(employee); } } return "success"; } public String deleteEmployee(){ empService.deleteEmployee(employee.getEmployeeId()); return "success"; } private void prep() { departments = deptService.getAllDepartments(); Map session = ActionContext.getContext().getSession(); session.put("departments", departments); } private boolean validationSuccessful(){ if(employee.getFirstName()==null||employee.getFirstName().trim().length()<1){ addActionMessage("FirstName is required"); } if(employee.getLastName()==null||employee.getLastName().trim().length()<1){ addActionMessage("LastName is required"); } if(employee.getAge()!=null){ if(employee.getAge()>90||employee.getAge()<15){ addActionMessage("Make sure the age U input is correct"); } } if(this.hasActionMessages()){ return false; }else{ return true; } } public List<Employee> getEmployees() { return employees; } public void setEmployees(List<Employee> employees) { this.employees = employees; } public Employee getEmployee() { return employee; } public void setEmployee(Employee employee) { this.employee = employee; } }