manager.java

这是一个基于图书馆系统 主要是用struts hibernate oracle做的

package com.action;

import org.apache.struts.action.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.actionForm.ManagerForm;
import com.dao.ManagerDAO;
import javax.servlet.http.HttpSession;

public class Manager extends Action {
	private ManagerDAO managerDao = null;

	public Manager() {
		this.managerDao = new ManagerDAO();
	}

	public ActionForward perform(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String action = request.getParameter("action");
		System.out.println("获取的查询字符窜:" + action);
		if (action.equals("action") || "".equals(action)) {
			return mapping.findForward("error");
		} else if ("login".equals(action)) {
			return managerLogin(mapping, form, request, response);
		} else if ("managerAdd".equals(action)) {
			return managerAdd(mapping, form, request, response);
		} else if ("managerQuery".equals(action)) {
			return managerQuery(mapping, form, request, response);
		} else if ("managerModifyQuery".equals(action)) {
			return managerModifyQuery(mapping, form, request, response);
		}

		request.setAttribute("error", "操作失败");
		return mapping.findForward("error");

	}

	public ActionForward managerLogin(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ManagerForm managerForm = (ManagerForm) form;
		managerForm.setName(managerForm.getName());
		managerForm.setPwd(managerForm.getPwd());
		int ret = managerDao.checkManager(managerForm);
		System.out.print("验证结果ret的值:" + ret);
		if (ret == 1) {
			HttpSession session = request.getSession();
			session.setAttribute("manager", managerForm.getName());
			return mapping.findForward("managerLoginok");

		} else {
			request.setAttribute("error", "管理员密码错误");
			return mapping.findForward("error");
		}

	}

	public ActionForward managerAdd(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ManagerForm managerForm = (ManagerForm) form;
		managerForm.setName(managerForm.getName());
		managerForm.setPwd(managerForm.getPwd());
		int set = managerDao.insert(managerForm);
		if (set == 1) {
			return mapping.findForward("managerAdd");
		} else if (set == 2) {
			request.setAttribute("error", "该用户已经被添加");
			return mapping.findForward("error");
		} else {
			request.setAttribute("error", "添加该用户失败");
			return mapping.findForward("error");
		}

	}

	public ActionForward managerQuery(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String str = null;
		request.setAttribute("managerQuery", managerDao.query(str));
		return mapping.findForward("managerQuery");

	}

	public ActionForward managerModifyQuery(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
        ManagerForm managerForm = (ManagerForm)form;
        managerForm.setId(Integer.valueOf(request.getParameter("id")));
        System.out.println(request.getParameter("id"));
        request.setAttribute("managerQueryif", managerDao.query_update(managerForm));
		return mapping.findForward("managerModifyQuery");

	}
}