基于javaweb+mysql的springboot+mybatis美容院管理系统(JavaWeb JSP MySQL Servlet SSM SpringBoot Bootstrap)

2024-01-01 05:10
文章标签 java mysql 管理系统 ssm springboot servlet web spring jsp bootstrap mybatis database 美容院

本文主要是介绍基于javaweb+mysql的springboot+mybatis美容院管理系统(JavaWeb JSP MySQL Servlet SSM SpringBoot Bootstrap)，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

基于javaweb+mysql的springboot+mybatis美容院管理系统(JavaWeb JSP MySQL Servlet SSM SpringBoot Bootstrap)

运行环境

Java≥8、MySQL≥5.7

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

技术框架

JavaBean MVC JSP SpringBoot MyBatis MySQL CSS JavaScript Bootstrap

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

登录、注册、退出、用户模块、公告模块、顾客模块、服务项目模块、消费模块的增删改查管理

eclipse/MyEclipse运行：

idea运行：

        this.redirectList(request, response);}/*** 获取公告的详细信息（详情页面与编辑页面要显示该公告的详情）并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping({"noticeGet", "noticeEditPre"})public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");//取出主键idNotice vo = noticeService.get(id);request.getSession().setAttribute("vo", vo);String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面response.sendRedirect("notice_" + to + ".jsp");}/*** 根据条件查询公告的列表并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping("noticeList")public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {this.redirectList(request, response);}/*** 跳转到列表页面** @param request* @param response*/private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {//查询列和关键字String searchColumn = request.getParameter("searchColumn");String keyword = request.getParameter("keyword");Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)params.put("searchColumn", searchColumn);//要查询的列params.put("keyword", keyword);//查询的关键字Map<String, Object> map = noticeService.list(params);request.getSession().setAttribute("list", map.get("list"));Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页String pageNum = request.getParameter("pageNum");//封装分页参数com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);params.put("startIndex", pb.getStartIndex());params.put("pageSize", pb.getPageSize());List list = (List) noticeService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list

        request.getRequestDispatcher("login.jsp").forward(request, response);}@RequestMapping("authRegister")public void register(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {String username = request.getParameter("username");String password = request.getParameter("password");System.out.println("username=" + username);System.out.println("password=" + password);Map<String, Object> params = new HashMap();params.put("startIndex", 0);params.put("pageSize", Long.MAX_VALUE);List<User> list = (List<User>) userService.list(params).get("list");for (User user : list) {if (user.getUsername().equals(username) /*&& user.getPassword().equals(password)*/) {//说明该用户名已存在，必须换个用户名才能注册request.getSession().setAttribute("alert_msg", "错误：用户名已存在！");request.getRequestDispatcher("register.jsp").forward(request, response);return;}}User vo = new User();vo.setUsername(username);vo.setPassword(password);//vo.setUserType("普通用户");//需要设置一个默认值userService.insert(vo);request.getSession().setAttribute("alert_msg", "注册成功！用户名：[" + username + "]");request.getRequestDispatcher("login.jsp").forward(request, response);}@RequestMapping("authLogout")public void logout(HttpServletResponse response, HttpServletRequest request) throws IOException {HttpSession session = request.getSession();User user = (User) session.getAttribute("loginUser");if (user != null) {session.removeAttribute("loginUser");}response.sendRedirect("login.jsp");}@RequestMapping("authValidationCode")public void validationCode(HttpServletResponse response, HttpServletRequest request) throws IOException {String codeChars = "0123456789";// 图形验证码的字符集合，系统将随机从这个字符串中选择一些字符作为验证码//  获得验证码集合的长度

     * @throws IOException*/@RequestMapping("xiaofeiDelete")public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");xiaofeiService.delete(Arrays.asList(id));this.redirectList(request, response);}/*** 编辑消费** @param response* @param request* @throws IOException*/@RequestMapping("xiaofeiEdit")public void edit(Xiaofei vo, HttpServletResponse response, HttpServletRequest request) throws IOException {xiaofeiService.update(vo);this.redirectList(request, response);}/*** 获取消费的详细信息（详情页面与编辑页面要显示该消费的详情）并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping({"xiaofeiGet", "xiaofeiEditPre"})public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");//取出主键idXiaofei vo = xiaofeiService.get(id);request.getSession().setAttribute("vo", vo);String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面response.sendRedirect("xiaofei_" + to + ".jsp");}/*** 根据条件查询消费的列表并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping("xiaofeiList")

        this.redirectList(request, response);}/*** 删除消费** @param response* @param request* @throws IOException*/@RequestMapping("xiaofeiDelete")public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");xiaofeiService.delete(Arrays.asList(id));this.redirectList(request, response);}/*** 编辑消费** @param response* @param request* @throws IOException*/@RequestMapping("xiaofeiEdit")public void edit(Xiaofei vo, HttpServletResponse response, HttpServletRequest request) throws IOException {xiaofeiService.update(vo);this.redirectList(request, response);}/*** 获取消费的详细信息（详情页面与编辑页面要显示该消费的详情）并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping({"xiaofeiGet", "xiaofeiEditPre"})public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");//取出主键idXiaofei vo = xiaofeiService.get(id);request.getSession().setAttribute("vo", vo);String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面response.sendRedirect("xiaofei_" + to + ".jsp");}/*** 根据条件查询消费的列表并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping("xiaofeiList")

        request.getSession().setAttribute("pageBean", pb);request.getSession().setAttribute("list", pb.getList());response.sendRedirect("notice_list.jsp");}
}@Controller
@RequestMapping
public class FwxmController {@Autowiredprivate FwxmService fwxmService;/*** 增加服务项目** @param response* @param request* @throws IOException*/@RequestMapping("fwxmAdd")public void add(Fwxm vo, HttpServletResponse response, HttpServletRequest request) throws IOException {//调用Service层的增加（insert）方法fwxmService.insert(vo);this.redirectList(request, response);}

            return;}Map<String, Object> params = new HashMap();List<User> list = (List<User>) userService.list(params).get("list");for (User user : list) {if (user.getUsername().equals(username) && user.getPassword().equals(password)) {//找到这个管理员了request.getSession().setAttribute("loginUser", user);request.getSession().setMaxInactiveInterval(Integer.MAX_VALUE);request.getRequestDispatcher("menu.jsp").forward(request, response);return;}}request.getSession().setAttribute("alert_msg", "错误：用户名或密码错误！");request.getRequestDispatcher("login.jsp").forward(request, response);}@RequestMapping("authRegister")public void register(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {String username = request.getParameter("username");String password = request.getParameter("password");System.out.println("username=" + username);System.out.println("password=" + password);Map<String, Object> params = new HashMap();params.put("startIndex", 0);params.put("pageSize", Long.MAX_VALUE);List<User> list = (List<User>) userService.list(params).get("list");for (User user : list) {if (user.getUsername().equals(username) /*&& user.getPassword().equals(password)*/) {//说明该用户名已存在，必须换个用户名才能注册request.getSession().setAttribute("alert_msg", "错误：用户名已存在！");request.getRequestDispatcher("register.jsp").forward(request, response);return;}}User vo = new User();vo.setUsername(username);vo.setPassword(password);//vo.setUserType("普通用户");//需要设置一个默认值userService.insert(vo);


@Controller
@RequestMapping
public class GukeController {@Autowiredprivate GukeService gukeService;/*** 增加顾客** @param response* @param request* @throws IOException*/@RequestMapping("gukeAdd")public void add(Guke vo, HttpServletResponse response, HttpServletRequest request) throws IOException {//调用Service层的增加（insert）方法gukeService.insert(vo);this.redirectList(request, response);}/*** 删除顾客** @param response* @param request* @throws IOException*/@RequestMapping("gukeDelete")public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");gukeService.delete(Arrays.asList(id));

    @RequestMapping("xiaofeiDelete")public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");xiaofeiService.delete(Arrays.asList(id));this.redirectList(request, response);}/*** 编辑消费** @param response* @param request* @throws IOException*/@RequestMapping("xiaofeiEdit")public void edit(Xiaofei vo, HttpServletResponse response, HttpServletRequest request) throws IOException {xiaofeiService.update(vo);this.redirectList(request, response);}/*** 获取消费的详细信息（详情页面与编辑页面要显示该消费的详情）并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping({"xiaofeiGet", "xiaofeiEditPre"})public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");//取出主键idXiaofei vo = xiaofeiService.get(id);request.getSession().setAttribute("vo", vo);String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面response.sendRedirect("xiaofei_" + to + ".jsp");}/*** 根据条件查询消费的列表并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping("xiaofeiList")public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {this.redirectList(request, response);}/*** 跳转到列表页面

        response.sendRedirect("notice_" + to + ".jsp");}/*** 根据条件查询公告的列表并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping("noticeList")public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {this.redirectList(request, response);}/*** 跳转到列表页面** @param request* @param response*/private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {//查询列和关键字String searchColumn = request.getParameter("searchColumn");String keyword = request.getParameter("keyword");Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)params.put("searchColumn", searchColumn);//要查询的列params.put("keyword", keyword);//查询的关键字Map<String, Object> map = noticeService.list(params);request.getSession().setAttribute("list", map.get("list"));Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页String pageNum = request.getParameter("pageNum");//封装分页参数com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);params.put("startIndex", pb.getStartIndex());params.put("pageSize", pb.getPageSize());List list = (List) noticeService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果listpb.setServlet("noticeList");pb.setSearchColumn(searchColumn);pb.setKeyword(keyword);pb.setList(list);request.getSession().setAttribute("pageBean", pb);request.getSession().setAttribute("list", pb.getList());response.sendRedirect("notice_list.jsp");}
}

        request.getSession().setAttribute("pageBean", pb);request.getSession().setAttribute("list", pb.getList());response.sendRedirect("fwxm_list.jsp");}
}@Controller
@RequestMapping
public class GukeController {@Autowiredprivate GukeService gukeService;/*** 增加顾客** @param response* @param request* @throws IOException*/@RequestMapping("gukeAdd")public void add(Guke vo, HttpServletResponse response, HttpServletRequest request) throws IOException {//调用Service层的增加（insert）方法gukeService.insert(vo);this.redirectList(request, response);}/*** 删除顾客** @param response* @param request* @throws IOException*/@RequestMapping("gukeDelete")

        params.put("startIndex", pb.getStartIndex());params.put("pageSize", pb.getPageSize());List list = (List) userService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果listpb.setServlet("userList");pb.setSearchColumn(searchColumn);pb.setKeyword(keyword);pb.setList(list);request.getSession().setAttribute("pageBean", pb);request.getSession().setAttribute("list", pb.getList());response.sendRedirect("user_list.jsp");}
}@Configurationpublic class CustomWebMvcConfigurer implements WebMvcConfigurer {@Overridepublic void addInterceptors(InterceptorRegistry registry) {registry.addInterceptor(new LoginInterceptor()).addPathPatterns("/*");}public class LoginInterceptor implements HandlerInterceptor {public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {request.setCharacterEncoding("utf-8");response.setCharacterEncoding("utf-8");HttpSession session = request.getSession();//移除错误提示session.removeAttribute("alert_msg");//登录拦截String url = request.getRequestURL().toString();String[] access = new String[]{"login", "logout", "register", ".css", ".js", ".png", ".jpg", "validationCode"};for (String action : access) {if (url.toLowerCase().contains(action.toLowerCase())) {

    }/*** 获取消费的详细信息（详情页面与编辑页面要显示该消费的详情）并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping({"xiaofeiGet", "xiaofeiEditPre"})public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");//取出主键idXiaofei vo = xiaofeiService.get(id);request.getSession().setAttribute("vo", vo);String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面response.sendRedirect("xiaofei_" + to + ".jsp");}/*** 根据条件查询消费的列表并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping("xiaofeiList")public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {this.redirectList(request, response);}/*** 跳转到列表页面** @param request* @param response*/private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {//查询列和关键字String searchColumn = request.getParameter("searchColumn");String keyword = request.getParameter("keyword");Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)params.put("searchColumn", searchColumn);//要查询的列params.put("keyword", keyword);//查询的关键字Map<String, Object> map = xiaofeiService.list(params);request.getSession().setAttribute("list", map.get("list"));Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页

        params.put("pageSize", pb.getPageSize());List list = (List) xiaofeiService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果listpb.setServlet("xiaofeiList");pb.setSearchColumn(searchColumn);pb.setKeyword(keyword);pb.setList(list);request.getSession().setAttribute("pageBean", pb);request.getSession().setAttribute("list", pb.getList());response.sendRedirect("xiaofei_list.jsp");}
}@Controller
@RequestMapping
public class NoticeController {@Autowiredprivate NoticeService noticeService;/*** 增加公告** @param response* @param request* @throws IOException*/@RequestMapping("noticeAdd")public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {//调用Service层的增加（insert）方法

    public void resetPassword(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {String msg;User loginUser = (User) request.getSession().getAttribute("loginUser");String oldPassword = request.getParameter("oldPassword");if (!loginUser.getPassword().equals(oldPassword)) {msg = "原密码错误！";} else {String newPassword = request.getParameter("newPassword");loginUser.setPassword(newPassword);this.userService.update(loginUser);msg = "修改成功！";}request.getSession().setAttribute("alert_msg", msg);request.getRequestDispatcher("reset_password.jsp").forward(request, response);}// 返回一个随机颜色（Color对象）private Color getRandomColor(int minColor, int maxColor) {Random random = new Random();// 保存minColor最大不会超过255if (minColor > 255)minColor = 255;//  保存minColor最大不会超过255if (maxColor > 255)maxColor = 255;//  获得红色的随机颜色值int red = minColor + random.nextInt(maxColor - minColor);//  获得绿色的随机颜色值int green = minColor + random.nextInt(maxColor - minColor);//  获得蓝色的随机颜色值int blue = minColor + random.nextInt(maxColor - minColor);return new Color(red, green, blue);}
}@Controller

     ** @param response* @param request* @throws IOException*/@RequestMapping({"noticeGet", "noticeEditPre"})public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");//取出主键idNotice vo = noticeService.get(id);request.getSession().setAttribute("vo", vo);String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面response.sendRedirect("notice_" + to + ".jsp");}/*** 根据条件查询公告的列表并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping("noticeList")public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {this.redirectList(request, response);}/*** 跳转到列表页面** @param request* @param response*/private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {//查询列和关键字String searchColumn = request.getParameter("searchColumn");String keyword = request.getParameter("keyword");Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)params.put("searchColumn", searchColumn);//要查询的列params.put("keyword", keyword);//查询的关键字Map<String, Object> map = noticeService.list(params);request.getSession().setAttribute("list", map.get("list"));
    /*** 增加服务项目** @param response* @param request* @throws IOException*/@RequestMapping("fwxmAdd")public void add(Fwxm vo, HttpServletResponse response, HttpServletRequest request) throws IOException {//调用Service层的增加（insert）方法fwxmService.insert(vo);this.redirectList(request, response);}/*** 删除服务项目** @param response* @param request* @throws IOException*/@RequestMapping("fwxmDelete")public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");fwxmService.delete(Arrays.asList(id));this.redirectList(request, response);}/*** 编辑服务项目** @param response* @param request* @throws IOException*/@RequestMapping("fwxmEdit")public void edit(Fwxm vo, HttpServletResponse response, HttpServletRequest request) throws IOException {fwxmService.update(vo);this.redirectList(request, response);}/*** 获取服务项目的详细信息（详情页面与编辑页面要显示该服务项目的详情）并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping({"fwxmGet", "fwxmEditPre"})public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {Serializable id = request.getParameter("id");//取出主键id

        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面response.sendRedirect("xiaofei_" + to + ".jsp");}/*** 根据条件查询消费的列表并跳转回页面** @param response* @param request* @throws IOException*/@RequestMapping("xiaofeiList")public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {this.redirectList(request, response);}/*** 跳转到列表页面** @param request* @param response*/private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {//查询列和关键字String searchColumn = request.getParameter("searchColumn");String keyword = request.getParameter("keyword");Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)params.put("searchColumn", searchColumn);//要查询的列params.put("keyword", keyword);//查询的关键字Map<String, Object> map = xiaofeiService.list(params);request.getSession().setAttribute("list", map.get("list"));Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页String pageNum = request.getParameter("pageNum");//封装分页参数com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);params.put("startIndex", pb.getStartIndex());params.put("pageSize", pb.getPageSize());List list = (List) xiaofeiService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果listpb.setServlet("xiaofeiList");pb.setSearchColumn(searchColumn);pb.setKeyword(keyword);pb.setList(list);request.getSession().setAttribute("pageBean", pb);request.getSession().setAttribute("list", pb.getList());response.sendRedirect("xiaofei_list.jsp");}
}

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《MySQL用户创建与授权最佳实践》在MySQL中,用户管理和权限控制是数据库安全的重要组成部分,下面详细介绍如何在MySQL中创建用户并授予适当的权限,感兴趣的朋友跟随小编一起看看吧... 目录mysql 用户创建与授权详解一、MySQL用户管理基础1. 用户账户组成2. 查看现有用户二、创建用户1. 基
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MySQL 打开binlog日志的方法及注意事项

MySQL 打开binlog日志的方法及注意事项

《MySQL打开binlog日志的方法及注意事项》本文给大家介绍MySQL打开binlog日志的方法及注意事项,本文通过实例代码给大家介绍的非常详细,对大家的学习或工作具有一定的参考借鉴价值,需要... 目录一、默认状态二、如何检查 binlog 状态三、如何开启 binlog3.1 临时开启（重启后失效）
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Spring Boot 实现 IP 限流的原理、实践与利弊解析

Spring Boot 实现 IP 限流的原理、实践与利弊解析

《SpringBoot实现IP限流的原理、实践与利弊解析》在SpringBoot中实现IP限流是一种简单而有效的方式来保障系统的稳定性和可用性,本文给大家介绍SpringBoot实现IP限... 目录一、引言二、IP 限流原理2.1 令牌桶算法2.2 漏桶算法三、使用场景3.1 防止恶意攻击3.2 控制资源
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Mac系统下卸载JAVA和JDK的步骤

Mac系统下卸载JAVA和JDK的步骤

《Mac系统下卸载JAVA和JDK的步骤》JDK是Java语言的软件开发工具包,它提供了开发和运行Java应用程序所需的工具、库和资源,：本文主要介绍Mac系统下卸载JAVA和JDK的相关资料,需... 目录1. 卸载系统自带的 Java 版本检查当前 Java 版本通过命令卸载系统 Java2. 卸载自定
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SQL BETWEEN 语句的基本用法详解

SQL BETWEEN 语句的基本用法详解

《SQLBETWEEN语句的基本用法详解》SQLBETWEEN语句是一个用于在SQL查询中指定查询条件的重要工具,它允许用户指定一个范围,用于筛选符合特定条件的记录,本文将详细介绍BETWEEN语... 目录概述BETWEEN 语句的基本用法BETWEEN 语句的示例示例 1：查询年龄在 20 到 30 岁
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MySQL DQL从入门到精通

MySQL DQL从入门到精通

《MySQLDQL从入门到精通》通过DQL,我们可以从数据库中检索出所需的数据,进行各种复杂的数据分析和处理,本文将深入探讨MySQLDQL的各个方面,帮助你全面掌握这一重要技能,感兴趣的朋友跟随小... 目录一、DQL 基础：SELECT 语句入门二、数据过滤：WHERE 子句的使用三、结果排序：ORDE
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springboot下载接口限速功能实现

springboot下载接口限速功能实现

《springboot下载接口限速功能实现》通过Redis统计并发数动态调整每个用户带宽,核心逻辑为每秒读取并发送限定数据量,防止单用户占用过多资源,确保整体下载均衡且高效,本文给大家介绍spring... 目录 一、整体目标 二、涉及的主要类/方法✅ 三、核心流程图解（简化） 四、关键代码详解1️⃣ 设置
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