Java web图书管理系统——数据库课程设计

写了一个最基础的java web数据库课设,遵循三层架构。
后端:Java
前端:jsp + layui + echarts
数据库:mysql
web容器:tomcat
操作系统:win10
IDE:idea
这里写了图书的查询、借阅和归还,用户信息管理,违约处理等界面,其他功能可自由拓展

声明:

本项目只是一个toy,未作安全防护部分和多人同时连接服务(多线程),请勿直接作实际用途

界面展示
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数据库备份以及还原

package com.book.control;

import java.io.*;

public class Backup {
    public static void dbBackUp(String root,String pwd,String dbName,String backPath,String backName) throws Exception {
        String pathSql = backPath+backName;
        File fileSql = new File(pathSql);
        //创建备份sql文件
        if (!fileSql.exists()){
            fileSql.createNewFile();
        }
        //mysqldump -hlocalhost -uroot -p123456 db > /home/back.sql
        StringBuffer sb = new StringBuffer();
        sb.append("mysqldump");
        sb.append(" -h127.0.0.1");
        sb.append(" -u"+root);
        sb.append(" -p"+pwd);
        sb.append(" "+dbName+" >");
        sb.append(pathSql);
        System.out.println("cmd命令为:"+sb.toString());
        Runtime runtime = Runtime.getRuntime();
        System.out.println("开始备份:"+dbName);
        Process process = runtime.exec("cmd /c"+sb.toString());
        System.out.println("备份成功!");
    }

    /**
     * 恢复数据库
     * @param root
     * @param pwd
     * @param dbName
     * @param filePath
     * mysql -hlocalhost -uroot -p123456 db < /home/back.sql
     */
    public static void dbRestore(String root,String pwd,String dbName,String filePath){
        StringBuilder sb = new StringBuilder();
        sb.append("mysql");
        sb.append(" -h127.0.0.1");
        sb.append(" -u"+root);
        sb.append(" -p"+pwd);
        sb.append(" "+dbName+" <");
        sb.append(filePath);
        System.out.println("cmd命令为:"+sb.toString());
        Runtime runtime = Runtime.getRuntime();
        System.out.println("开始还原数据");
        try {
            Process process = runtime.exec("cmd /c"+sb.toString());
            InputStream is = process.getInputStream();
            BufferedReader bf = new BufferedReader(new InputStreamReader(is,"utf8"));
            String line = null;
            while ((line=bf.readLine())!=null){
                System.out.println(line);
            }
            is.close();
            bf.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.println("还原成功!");
    }
    public static void Backupall() throws Exception {
        dbBackUp("root","***","book_list","d://backup//","book.sql");
        dbBackUp("root","***","borrow_list","d://backup//","borrow.sql");
        dbBackUp("root","***","user_list","d://backup//","user.sql");
    }
    public static void main(String[] args) throws Exception {
        Backupall();
    }
}

源码地址:

github
欢迎star

大学数据库课// LibDBS.cpp : Defines the class behaviors for the application. // #include "stdafx.h" #include "LibDBS.h" #include "LibDBSDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CLibDBSApp BEGIN_MESSAGE_MAP(CLibDBSApp, CWinApp) //{{AFX_MSG_MAP(CLibDBSApp) // NOTE - the ClassWizard will add and remove mapping macros here. // DO NOT EDIT what you see in these blocks of generated code! //}}AFX_MSG ON_COMMAND(ID_HELP, CWinApp::OnHelp) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CLibDBSApp construction CLibDBSApp::CLibDBSApp() { // TODO: add construction code here, // Place all significant initialization in InitInstance } ///////////////////////////////////////////////////////////////////////////// // The one and only CLibDBSApp object CLibDBSApp theApp; ///////////////////////////////////////////////////////////////////////////// // CLibDBSApp initialization BOOL CLibDBSApp::InitInstance() { AfxEnableControlContainer(); // Standard initialization // If you are not using these features and wish to reduce the size // of your final executable, you should remove from the following // the specific initialization routines you do not need. #ifdef _AFXDLL Enable3dControls(); // Call this when using MFC in a shared DLL #else Enable3dControlsStatic(); // Call this when linking to MFC statically #endif CLibDBSDlg dlg; m_pMainWnd = &dlg; int nResponse = dlg.DoModal(); if (nResponse == IDOK) { // TODO: Place code here to handle when the dialog is // dismissed with OK } else if (nResponse == IDCANCEL) { // TODO: Place code here to handle when the dialog is // dismissed with Cancel } // Since the dialog has been closed, return FALSE so that we exit the // application, rather than start the application's message pump. return FALSE; } 程设计的全部内容
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