manager.java~97~

图书馆管理系统 第1章 系统简介 图书馆是各大高等院校的重要组成部门

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 actionMapping,
                                 ActionForm actionForm,
                                 HttpServletRequest servletRequest,
                                 HttpServletResponse servletResponse) {
        String action = servletRequest.getParameter("action");
        System.out.println("获取的查询字符串：" + action);
        if (action == null || "".equals(action)) {
            return actionMapping.findForward("error");
        }else if ("login".equals(action)) {
            return managerLogin(actionMapping, actionForm, servletRequest,
                                servletResponse);
        } else if ("managerAdd".equals(action)) {
            return managerAdd(actionMapping, actionForm, servletRequest,
                              servletResponse);
        } else if ("managerQuery".equals(action)) {
            return managerQuery(actionMapping, actionForm, servletRequest,
                                servletResponse);
        } else if ("managerModifyQuery".equals(action)) {
            return managerModifyQuery(actionMapping, actionForm, servletRequest,
                                      servletResponse);
        } else if ("managerModify".equals(action)) {
            return managerModify(actionMapping, actionForm, servletRequest,
                                 servletResponse);
        } else if ("managerDel".equals(action)) {
            return managerDel(actionMapping, actionForm, servletRequest,
                              servletResponse);
        }else if("querypwd".equals(action)){
                return pwdQuery(actionMapping, actionForm, servletRequest,
                              servletResponse);
        }else if("modifypwd".equals(action)){
            return modifypwd(actionMapping, actionForm, servletRequest,
                              servletResponse);
        }
        return actionMapping.findForward("error");
    }

    //管理员身份验证

    public ActionForward managerLogin(ActionMapping actionMapping,
                                      ActionForm actionForm,
                                      HttpServletRequest servletRequest,
                                      HttpServletResponse servletResponse) {
        ManagerForm managerForm = (ManagerForm) actionForm;
        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=servletRequest.getSession();
            session.setAttribute("manager",managerForm.getName());
            return actionMapping.findForward("managerLoginok");
        } else {
            return actionMapping.findForward("mangerLoginfilse");
        }
    }

    //查询管理员信息
    private ActionForward managerQuery(ActionMapping actionMapping,
                                       ActionForm actionForm,
                                       HttpServletRequest servletRequest,
                                       HttpServletResponse servletResponse) {
        String str = null;
        servletRequest.setAttribute("managerQuery", managerDAO.query(str));
        return actionMapping.findForward("managerQuery");
    }

    //添加管理员信息
    private ActionForward managerAdd(ActionMapping actionMapping,
                                     ActionForm actionForm,
                                     HttpServletRequest servletRequest,
                                     HttpServletResponse servletResponse) {
        ManagerForm managerForm = (ManagerForm) actionForm;
        managerForm.setName(managerForm.getName());
        managerForm.setPwd(managerForm.getPwd());
        int ret = managerDAO.insert(managerForm);
        System.out.println("返回值ret："+ret);
        if (ret == 1) {
            return actionMapping.findForward("managerAdd");
        } else if(ret==2){
            servletRequest.setAttribute("error","该管理员信息已经添加！");
            return actionMapping.findForward("error");
        }else {
            servletRequest.setAttribute("error","添加管理员信息失败！");
            return actionMapping.findForward("error");
        }
    }

    //查询修改管理员信息
    private ActionForward managerModifyQuery(ActionMapping actionMapping,
                                             ActionForm actionForm,
                                             HttpServletRequest servletRequest,
                                             HttpServletResponse
                                             servletResponse) {
        ManagerForm managerForm = (ManagerForm) actionForm;
        managerForm.setId(Integer.valueOf(servletRequest.getParameter("id")));
        System.out.print("查询到的id:"+servletRequest.getParameter("id"));
        servletRequest.setAttribute("managerQueryif",
                                    managerDAO.query_update(managerForm));
        return actionMapping.findForward("managerQueryModify");
    }
    //修改密码时查询
    private ActionForward pwdQuery(ActionMapping actionMapping,
                                             ActionForm actionForm,
                                             HttpServletRequest servletRequest,
                                             HttpServletResponse
                                             servletResponse) {
        ManagerForm managerForm = (ManagerForm) actionForm;
        HttpSession session=servletRequest.getSession();
        String manager= (String) session.getAttribute("manager");
        managerForm.setName(manager);
        System.out.print("查询到的manager:"+manager);
        servletRequest.setAttribute("pwdQueryif",
                                    managerDAO.query_update(managerForm));
        return actionMapping.findForward("pwdQueryModify");
    }

    //修改管理员信息
    private ActionForward managerModify(ActionMapping actionMapping,
                                        ActionForm actionForm,
                                        HttpServletRequest servletRequest,
                                        HttpServletResponse servletResponse) {
        ManagerForm managerForm = (ManagerForm) actionForm;
        managerForm.setId(managerForm.getId());
        managerForm.setName(managerForm.getName());
        managerForm.setPwd(managerForm.getPwd());
        managerForm.setSysset(managerForm.getSysset());
        managerForm.setReaderset(managerForm.getReaderset());
        managerForm.setBookset(managerForm.getBookset());
        managerForm.setBorrowback(managerForm.getBorrowback());
        managerForm.setSysquery(managerForm.getSysquery());
        int ret = managerDAO.update(managerForm);
        if (ret == 0) {
            return actionMapping.findForward("error");
        } else {
            return actionMapping.findForward("managerModify");
        }
    }

    //删除管理员信息
    private ActionForward managerDel(ActionMapping actionMapping,
                                     ActionForm actionForm,
                                     HttpServletRequest servletRequest,
                                     HttpServletResponse servletResponse) {
        ManagerForm managerForm = (ManagerForm) actionForm;
        managerForm.setId(Integer.valueOf(servletRequest.getParameter("id")));
        int ret = managerDAO.delete(managerForm);
        if (ret == 0) {
            return actionMapping.findForward("error");
        } else {
            return actionMapping.findForward("managerDel");
        }
    }
    //修改管理员密码
    private ActionForward modifypwd(ActionMapping actionMapping,
                                     ActionForm actionForm,
                                     HttpServletRequest servletRequest,
                                     HttpServletResponse servletResponse){
        ManagerForm managerForm=(ManagerForm) actionForm;
        managerForm.setName(managerForm.getName());
        managerForm.setPwd(managerForm.getPwd());
        int ret=managerDAO.update(managerForm);
        if(ret==0){
            servletRequest.setAttribute("error","更改口令失败！");
            return actionMapping.findForward("error");
        }else{
            return actionMapping.findForward("pwdModify");
        }
    }
}