studentaction.java

来自「java 框架核心技术编程」· Java 代码 · 共 182 行

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package org.lxh.struts.action;

import java.util.List;
import java.util.TreeSet;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

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 org.lxh.factory.DAOFactory;
import org.lxh.struts.form.StudentForm;
import org.lxh.vo.Student;

/**
 * MyEclipse Struts Creation date: 06-14-2007
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/student" name="studentForm" input="/form/student.jsp"
 *                parameter="status" scope="request" validate="true"
 */
public class StudentAction extends DispatchAction {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward insert(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		StudentForm studentForm = (StudentForm) form;
		Student s = new Student();
		s.setName(studentForm.getName());
		s.setSex(studentForm.getSex());
		s.setAge(Integer.parseInt(studentForm.getAge()));
		try {
			DAOFactory.getStudentDAOInstance().insert(s);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return mapping.findForward("insertdo");
	}

	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		StudentForm studentForm = (StudentForm) form;
		try {
			DAOFactory.getStudentDAOInstance().delete(
					Integer.parseInt(studentForm.getSid()));
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return mapping.findForward("deletedo");
	}

	public ActionForward update(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		StudentForm studentForm = (StudentForm) form;
		Student s = new Student();
		s.setSid(Integer.parseInt(studentForm.getSid()));
		s.setName(studentForm.getName());
		s.setSex(studentForm.getSex());
		s.setAge(Integer.parseInt(studentForm.getAge()));
		try {
			DAOFactory.getStudentDAOInstance().update(s);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return mapping.findForward("updatedo");
	}

	public ActionForward selectid(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		StudentForm studentForm = (StudentForm) form;
		Student s = null;
		try {
			s = DAOFactory.getStudentDAOInstance().queryBySId(
					Integer.parseInt(studentForm.getSid()));
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		request.setAttribute("student", s);
		return mapping.findForward("update");
	}

	public ActionForward selectstudentcourse(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
		StudentForm studentForm = (StudentForm) form;
		Student s = null;
		try {
			s = DAOFactory.getStudentDAOInstance().queryBySId(
					Integer.parseInt(studentForm.getSid()));
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		request.setAttribute("student", s);
		return mapping.findForward("listcourse");
	}

	public ActionForward selectall(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		List all = null;
		try {
			all = DAOFactory.getStudentDAOInstance().queryAll();
		} catch (Exception e) {
			e.printStackTrace();
		}
		request.setAttribute("all", all);
		return mapping.findForward("list");
	}

	public ActionForward selectlike(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		List all = null;
		try {
			all = DAOFactory.getStudentDAOInstance().queryByLike(
					request.getParameter("keyWord"));
		} catch (Exception e) {
			e.printStackTrace();
		}
		request.setAttribute("all", all);
		return mapping.findForward("list");
	}

	public ActionForward choosecourse(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		Student s = null;
		try {
			s = DAOFactory.getStudentDAOInstance().queryBySId(
					Integer.parseInt(request.getParameter("sid")));
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		if (s != null) {
			// 取出全部已选择的课程编号
			s.setCids(new TreeSet());
			String str[] = request.getParameterValues("cids");
			for (int i = 0; i < str.length; i++) {
				s.getCids().add(Integer.parseInt(str[i]));
			}
			try {
				DAOFactory.getStudentDAOInstance().update(s) ;
			} catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		return mapping.findForward("choosecoursedo");
	}
}