/*
 Navicat Premium Data Transfer

 Source Server         : MySQL
 Source Server Type    : MySQL
 Source Server Version : 80013
 Source Host           : 127.0.0.1:3306
 Source Schema         : servlet_library

 Target Server Type    : MySQL
 Target Server Version : 80013
 File Encoding         : 65001

 Date: 21/08/2021 22:14:51
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for book
-- ----------------------------
DROP TABLE IF EXISTS `book`;
CREATE TABLE `book`  (
  `id` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '书本ID',
  `bookname` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '书本名称',
  `author` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '书本作者',
  `publisher` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '出版社',
  `price` int(11) NULL DEFAULT NULL COMMENT '书本价格',
  `category` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '书本类目',
  `store` int(11) NULL DEFAULT NULL,
  `bookdesc` varchar(1000) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `location` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '书籍数据库' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of book
-- ----------------------------
INSERT INTO `book` VALUES ('000001', 'Java核心技术', '凯 S. 霍斯特曼', '机械工业出版社', 130, '编程类', 200, '《JAVA核心技术》（第8版）是2011年电子工业出版社出版的图书，作者是昊斯特曼、Gary Cornell。本书针对JavaSE6平台进行了全面更新，囊括了Java平台标准版(JavaSE/J2SE)的全部基础知识，提供了大量完整且具有实际意义的应用实例。', '3');
INSERT INTO `book` VALUES ('000003', '算法竞赛入门经典', '刘汝佳', '清华大学出版社', 50, '编程类', 15, '《JAVA核心技术》（第8版）是2011年电子工业出版社出版的图书，作者是昊斯特曼、Gary Cornell。本书针对JavaSE6平台进行了全面更新，囊括了Java平台标准版(JavaSE/J2SE)的全部基础知识，提供了大量完整且具有实际意义的应用实例。', '3');
INSERT INTO `book` VALUES ('000004', '概率论与数理统计', '盛骤 谢式千 潘承毅', '高等教育出版社', 38, '数学类', 15, '《JAVA核心技术》（第8版）是2011年电子工业出版社出版的图书，作者是昊斯特曼、Gary Cornell。本书针对JavaSE6平台进行了全面更新，囊括了Java平台标准版(JavaSE/J2SE)的全部基础知识，提供了大量完整且具有实际意义的应用实例。', '1');
INSERT INTO `book` VALUES ('000005', '数据结构(C语言版)', '严蔚敏 吴伟民', '清华大学出版社', 29, '编程类', 8, '《JAVA核心技术》（第8版）是2011年电子工业出版社出版的图书，作者是昊斯特曼、Gary Cornell。本书针对JavaSE6平台进行了全面更新，囊括了Java平台标准版(JavaSE/J2SE)的全部基础知识，提供了大量完整且具有实际意义的应用实例。', '3');

-- ----------------------------
-- Table structure for iolog
-- ----------------------------
DROP TABLE IF EXISTS `iolog`;
CREATE TABLE `iolog`  (
  `bookid` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `readerid` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `service` int(11) NULL DEFAULT NULL,
  `borrowtime` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `borrowday` int(11) NULL DEFAULT NULL,
  `complete` int(11) NULL DEFAULT NULL,
  PRIMARY KEY (`borrowtime`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of iolog
-- ----------------------------
INSERT INTO `iolog` VALUES ('000001', '1', -1, '2021年08月21日 21时38分10秒', 7, 1);
INSERT INTO `iolog` VALUES ('000001', '1', 1, '2021年08月21日 21时38分20秒', NULL, 1);

-- ----------------------------
-- Table structure for reader
-- ----------------------------
DROP TABLE IF EXISTS `reader`;
CREATE TABLE `reader`  (
  `username` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '读者用户名',
  `password` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '读者密码',
  `name` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '读者姓名',
  `sex` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '读者性别',
  `status` int(11) NULL DEFAULT NULL COMMENT '读者状态(1.正常 -1.黑名单)',
  `mail` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '读者邮箱',
  `tel` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '读者电话',
  `grade` int(11) NULL DEFAULT -1 COMMENT '读者年级',
  `classnum` int(11) NULL DEFAULT -1 COMMENT '读者班级',
  PRIMARY KEY (`username`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '读者表' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of reader
-- ----------------------------
INSERT INTO `reader` VALUES ('1', '123456', '测试', '测试', 1, '测试', '测试', 1, 1);

-- ----------------------------
-- Table structure for tempadd
-- ----------------------------
DROP TABLE IF EXISTS `tempadd`;
CREATE TABLE `tempadd`  (
  `id` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `bookname` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '书本名称',
  `author` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '书本作者',
  `publisher` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '出版社',
  `price` int(11) NULL DEFAULT NULL COMMENT '书本价格',
  `category` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '书本类目',
  `store` int(11) NULL DEFAULT NULL,
  `bookdesc` varchar(100) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `location` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of tempadd
-- ----------------------------

-- ----------------------------
-- Table structure for user
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user`  (
  `user` varchar(15) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '用户名',
  `password` varchar(25) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户密码',
  `name` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户真实姓名',
  `sex` varchar(5) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户性别',
  `department` varchar(45) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户部门',
  `tel` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户电话',
  PRIMARY KEY (`user`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of user
-- ----------------------------
INSERT INTO `user` VALUES ('admin', 'admin', '管理员', '男', '图书馆', '12345678901');

SET FOREIGN_KEY_CHECKS = 1;

5.工程截图

二、系统展示

1.登录系统

2.主页面

3.图书列表

4.图书详情

5.编辑删除

6.添加图书

7.图书借阅

8.图书归还

9.借阅记录

10.用户管理

三、部分代码

BookAction

package Action;

import Dao.BookDao;
import Entity.Book;
import Entity.User;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

public class BookAction extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request, response);
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        String action = request.getParameter("action");
        if (action.equals("getall")) {
            this.getAll(request, response);
        } else if (action.equals("addtemp")) {
            this.addtemp(request, response);
        } else if (action.equals("gettemp")) {
            this.gettemp(request, response);
        } else if (action.equals("confirm")) {
            this.confirm(request, response);
        } else if (action.equals("querybookbyid")) {
            this.QueryBookById(request, response);
        } else if (action.equals("DeleteById")) {
            this.DeleteById(request, response);
        } else if (action.equals("EditDone")) {
            this.EditDone(request, response);
        }
    }

    private void getAll(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        BookDao bdao = new BookDao();
        ArrayList<Book> bookArrayList = bdao.getAllBook();
        HttpSession session = request.getSession();
        session.setAttribute("allbooklist", bookArrayList);
        request.getRequestDispatcher("/book-list.jsp").forward(request, response);
    }

    private void addtemp(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String next = request.getParameter("over");
        BookDao bdao = new BookDao();
        Book book = new Book();
        if (!request.getParameter("bookid").equals(""))
            book.setId(request.getParameter("bookid"));
        if (!request.getParameter("bookname").equals(""))
            book.setName(request.getParameter("bookname"));
        if (!request.getParameter("bookauthor").equals(""))
            book.setAuthor(request.getParameter("bookauthor"));
        if (!request.getParameter("bookpublisher").equals(""))
            book.setPublisher(request.getParameter("bookpublisher"));
        if (!request.getParameter("bookcategory").equals(""))
            book.setCategory(request.getParameter("bookcategory"));
        if (!request.getParameter("bookprice").trim().equals(""))
            book.setPrice(Integer.parseInt(request.getParameter("bookprice")));
        if (!request.getParameter("bookstore").trim().equals(""))
            book.setStore(Integer.parseInt(request.getParameter("bookstore")));
        if (!request.getParameter("booklocation").equals(""))
            book.setLocation(request.getParameter("booklocation"));
        if (!request.getParameter("bookdesc").equals(""))
            book.setDesc(request.getParameter("bookdesc"));
        if (!request.getParameter("bookid").equals(""))
            bdao.addtemp(book);
        if (next.equals("0"))
            request.getRequestDispatcher("/add-book.jsp").forward(request, response);
        else
            this.gettemp(request, response);
    }

    private void gettemp(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        BookDao bdao = new BookDao();
        ArrayList<Book> addbooklist = bdao.getadd();
        HttpSession session = request.getSession();
        session.setAttribute("addbooklist", addbooklist);
        request.getRequestDispatcher("/add-confirm.jsp").forward(request, response);
    }

    private void confirm(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        BookDao bdao = new BookDao();
        bdao.confirm();
        this.getAll(request, response);
    }

    private void QueryBookById(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        BookDao bdao = new BookDao();
        String id = request.getParameter("id");
        String next = request.getParameter("next");
        Book book = bdao.QueryBookById(id);
        HttpSession session = request.getSession();
        session.setAttribute("resultbook", book);
        PrintWriter out = response.getWriter();
        if (next.equals("check"))
            request.getRequestDispatcher("/detail.jsp").forward(request, response);
        else if (next.equals("edit"))
            request.getRequestDispatcher("/edit-book.jsp").forward(request, response);
        else if (next.equals("borrowcheck")) {
            out.write(book.getName() + "||" + book.getAuthor() + "||" + book.getPublisher() + "||" + book.getRemain());
        }
    }

    private void DeleteById(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        BookDao bdao = new BookDao();
        String id = request.getParameter("id");
        bdao.DeleteById(id);
        this.getAll(request, response);
    }

    private void EditDone(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        BookDao bdao = new BookDao();
        Book book = new Book();
        if (!request.getParameter("id").equals(""))
            book.setId(request.getParameter("id"));
        if (!request.getParameter("name").equals(""))
            book.setName(request.getParameter("name"));
        if (!request.getParameter("author").equals(""))
            book.setAuthor(request.getParameter("author"));
        if (!request.getParameter("publisher").equals(""))
            book.setPublisher(request.getParameter("publisher"));
        if (!request.getParameter("category").equals(""))
            book.setCategory(request.getParameter("category"));
        if (!request.getParameter("price").trim().equals(""))
            book.setPrice(Integer.parseInt(request.getParameter("price")));
        if (!request.getParameter("store").trim().equals(""))
            book.setStore(Integer.parseInt(request.getParameter("store")));
        if (!request.getParameter("location").equals(""))
            book.setLocation(request.getParameter("location"));
        if (!request.getParameter("desc").equals(""))
            book.setDesc(request.getParameter("desc"));
        if (!request.getParameter("id").equals(""))
            bdao.addtemp(book);
        bdao.EditDone(book);
        request.getRequestDispatcher("BookAction?action=querybookbyid&id=<%=b.getId()%>&next=check").forward(request, response);
    }
}

IOAction

package Action;

import Dao.IODao;
import Entity.Log;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;

public class IOAction extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String action = request.getParameter("action");
        if (action.equals("borrow")) {
            this.borrow(request, response);
        } else if (action.equals("getlog")) {
            this.getlog(request, response);
        } else if (action.equals("return")) {
            this.ReturnBook(request, response);
        }
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doPost(request, response);
    }

    protected void borrow(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        IODao ioDao = new IODao();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
        Date date = new Date();
        String time = sdf.format(date);
        String readerid = request.getParameter("readerid");
        String bookid = request.getParameter("bookid");
        int borrowday = Integer.parseInt(request.getParameter("borrowday"));
        ioDao.borrow(bookid, readerid, time, borrowday);
        this.getlog(request, response);
    }

    protected void getlog(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        IODao ioDao = new IODao();
        ArrayList<Log> loglist = ioDao.getLogList();
        HttpSession session = request.getSession();
        session.setAttribute("loglist", loglist);
        request.getRequestDispatcher("/io-log.jsp").forward(request, response);
    }

    protected void ReturnBook(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        IODao ioDao = new IODao();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
        Date date = new Date();
        String Returntime = sdf.format(date);
        String bookid = request.getParameter("bookid");
        String readerId = request.getParameter("ReaderId");
        String borrowtime = request.getParameter("borrowtime");
        ioDao.ReturnBook(bookid, readerId, borrowtime, Returntime);
        this.getlog(request, response);
    }


}

LoginAction

package Action;

import Dao.UserDao;
import Entity.User;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.PrintWriter;

public class LoginAction extends HttpServlet {
    UserDao udao = new UserDao();

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String action = request.getParameter("action");
        if (action.equals("login")) {
            this.login(request, response);
        } else if (action.equals("logout")) {
            this.logout(request, response);
        }
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request, response);
    }

    private void login(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String username = null;
        String password = null;
        PrintWriter out = response.getWriter();
        HttpSession session = request.getSession();
        username = request.getParameter("username");
        password = request.getParameter("password");
        User user = new User();
        user.setUsername(username);
        user.setPassword(password);
        String result = udao.login(user);
        if (result.equals("true")) {
            session.setAttribute("adminname", user.getName());
            request.getRequestDispatcher("/main.jsp").forward(request, response);
        } else {
            out.write(result);
        }
    }

    private void logout(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        HttpSession session = request.getSession();
        session.setMaxInactiveInterval(1);
        response.sendRedirect("/index.jsp");
    }

}

ReaderAction

package Action;
/**
 * 读者管理
 */

import Dao.IODao;
import Dao.ReaderDao;
import Entity.Log;
import Entity.Reader;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;


public class ReaderAction extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String action = request.getParameter("action");
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("text/html; charset=utf-8");
        if (action.equals("QueryReaderById")) {
            this.QueryReaderById(request, response);
        } else if (action.equals("GetBorrowListById")) {
            this.GetBorrowListById(request, response);
        } else if (action.equals("GetAllReader")) {
            this.GetAllReader(request, response);
        } else if (action.equals("SetBlackList")) {
            this.SetBlackList(request, response);
        }
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request, response);
    }

    protected void QueryReaderById(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String readerid = request.getParameter("readerid");
        ReaderDao readerDao = new ReaderDao();
        Reader reader = readerDao.QueryReaderById(readerid);
        String stauts = (reader.getStatus() == 1) ? "正常" : "异常";
        String callback = reader.getName() + "||" + reader.getGrade() + "年级" + reader.getClassnum() + "班||" + stauts + "||" + reader.getBorrow();
        PrintWriter out = response.getWriter();
        out.write(callback);
    }

    protected void GetBorrowListById(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String id = request.getParameter("readerid");
        IODao ioDao = new IODao();
        ArrayList<Log> loglist = ioDao.QueryBorrowNumByReaderid(id);
        HttpSession session = request.getSession();
        session.setAttribute("loglist", loglist);
        request.getRequestDispatcher("/borrow-list.jsp").forward(request, response);
    }

    protected void GetAllReader(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        ReaderDao readerDao = new ReaderDao();
        ArrayList<Reader> readerlist = readerDao.GetAllReader();
        HttpSession session = request.getSession();
        session.setAttribute("readerlist", readerlist);
        request.getRequestDispatcher("/reader-list.jsp").forward(request, response);
    }

    protected void SetBlackList(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String username = request.getParameter("id");
        String edit = request.getParameter("edit");
        ReaderDao readerDao = new ReaderDao();
        if (edit.equals("设置为正常")) {
            readerDao.SetBlackList(username, true);
        } else {
            readerDao.SetBlackList(username, false);
        }
        this.GetAllReader(request, response);
    }
}