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基于javaweb的SSM+Maven网上订餐在线点餐系统(java+ssm+jsp+mysql)

更新于

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

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

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基于javaweb的SSM+Maven网上订餐在线点餐系统(java+ssm+jsp+mysql)

前台：
http://localhost:8080/qiantai
user1 123456
user2 123456

后台：
http://localhost:8080/admin
admin 123456

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//获取全部订单信息
@RequestMapping("ordergetall")
public String ordergetall( HttpServletRequest request) {
    //传给前端
    Pages page1=null;
    //总页面
    Integer totalCount=null;

    //当前页面
    String currentpages="1";

    //获取上一页还是下一页标识
    String s="";

    //数据库操作页面
    String pagess="1";

    //前端页面总数
    Integer allpage=null;

    //如果不为空则获取currentpage
    if(request.getParameter("currentpage")!=null){
        currentpages=request.getParameter("currentpage");
        totalCount= ordersService.pageCount();
        allpage=totalCount/5;
        if(totalCount%5!=0){
            allpage++;
        }
        if(Integer.parseInt(currentpages)<=0){
            currentpages="1";
        }
        if(Integer.parseInt(currentpages)>allpage){
            currentpages=""+allpage;
        }


        //设置pagess的值
        if(request.getParameter("s")!=null){
            s=request.getParameter("s");
            if(s.equals("up")){
                pagess=""+(Integer.parseInt(currentpages)-4);
            }else if(s.equals("down")){
                pagess=""+((Integer.parseInt(currentpages)-1)*5-1);
            }else if (s.equals("first")){
                pagess="0";
            }else if(s.equals("last")){
                pagess=""+(totalCount-(totalCount%5)-1);
            }else {
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    model.addAttribute("notices",notices);
    return "qiantai/index";
}

/**
 * 根据id删除元素
 * @param model
 * @param id
 * @return
 */
@RequestMapping("delete")
public String delete(Model model, @Param("id") Integer id){
    this.noticeService.delete(id);
    return queryAll(model);
}

/**
 * 根据id查询元素
 * @param model
 * @param id
 * @return
 */
@RequestMapping("queryById")
public String queryById(Model model,@Param("id") Integer id){
    Notice notice=noticeService.queryById(id);
    model.addAttribute("notice",notice);
    return "admin/notice_update";
}

/**
 * 根据id查询元素并传输到前台页面
 * @param model
 * @param id
 * @return
 */
@RequestMapping("queryByIdtoQiantai")
public String queryByIdtoQiantai(Model model,@Param("id") Integer id){
    Notice notice=noticeService.queryById(id);
    model.addAttribute("notice",notice);
    return "qiantai/notice";
}

/**
 * 修改元素
 * @param model
 * @param id
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//传给前端
Pages page1=null;
//总页面
Integer totalCount=null;

//当前页面
String currentpages="1";

//获取上一页还是下一页标识
String s="";

//数据库操作页面
String pagess="1";

//前端页面总数
Integer allpage=null;

//如果不为空则获取currentpage
if(request.getParameter("currentpage")!=null){
    currentpages=request.getParameter("currentpage");
    totalCount= ordersService.pageCount();
    allpage=totalCount/5;
    if(totalCount%5!=0){
        allpage++;
    }
    if(Integer.parseInt(currentpages)<=0){
        currentpages="1";
    }
    if(Integer.parseInt(currentpages)>allpage){
        currentpages=""+allpage;
    }


    //设置pagess的值
    if(request.getParameter("s")!=null){
        s=request.getParameter("s");
        if(s.equals("up")){
            pagess=""+(Integer.parseInt(currentpages)-4);
        }else if(s.equals("down")){
            pagess=""+((Integer.parseInt(currentpages)-1)*5-1);
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/**
 * (Notice)表控制层
 *
 */
@Controller
@RequestMapping("notice")
public class NoticeController {
    /**
     * 服务对象
     */
    @Autowired
    @Qualifier("noticeService")
    private NoticeService noticeService;

    /**
     * 查询所有元素
     * @param model
     * @return
     */
    @RequestMapping("queryAll")
    public String queryAll(Model model){
        List<Notice> notices=noticeService.queryAll();
        model.addAttribute("notices",notices);
        return "admin/notice";
    }

    /**
     * 查询所有公共并传送到前台
     * @param model
     * @return
     */
    @RequestMapping("queryAlltoQiantai")
    public String queryAlltoQiantai(Model model){
        List<Notice> notices=noticeService.queryAll();
        model.addAttribute("notices",notices);
        return "qiantai/index";
    }

    /**
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/**
 * (Notice)表控制层
 *
 */
@Controller
@RequestMapping("notice")
public class NoticeController {
    /**
     * 服务对象
     */
    @Autowired
    @Qualifier("noticeService")
    private NoticeService noticeService;

    /**
     * 查询所有元素
     * @param model
     * @return
     */
    @RequestMapping("queryAll")
    public String queryAll(Model model){
        List<Notice> notices=noticeService.queryAll();
        model.addAttribute("notices",notices);
        return "admin/notice";
    }

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        day.replace(9,10,aa);
        String day2=day.toString();
        list=ordersService.pageListByDate(day1,day2);
    }else {
        System.out.println("未提交");
    }


    session.setAttribute("ordersearch", list);
    System.out.println(id);
    System.out.println(menuname);
    System.out.println(day1);

    return "/qiantai/order";


}


@RequestMapping(value="order_searchs",method = RequestMethod.POST)
public String order_searchs( HttpServletRequest request) throws UnsupportedEncodingException {

    List<Orders> list=null;
    HttpSession session=request.getSession();
    request.setCharacterEncoding("utf-8");
    Integer id=null;
    String menuname=null;
    String day1=null;
    if(request.getParameter("userid")!=null&&(!request.getParameter("userid").equals(""))){
        id=Integer.parseInt(request.getParameter("userid"));
        list=ordersService.pageListByID(id);
    }else if(request.getParameter("menuname")!=null&&(!request.getParameter("menuname").equals(""))){
        menuname=request.getParameter("menuname");
        list=ordersService.pageListByMenue(menuname);
    }else if(request.getParameter("date")!=null&&(!request.getParameter("date").equals(""))){
        day1=request.getParameter("date");
        Integer a=Integer.parseInt(day1.substring(9,10));
        String aa=""+(a+1);
        StringBuilder day=new StringBuilder(day1);
        day.replace(9,10,aa);
        String day2=day.toString();
        list=ordersService.pageListByDate(day1,day2);
    }else {
        System.out.println("未提交");
    }


    session.setAttribute("ordersearch", list);
    System.out.println(id);
    System.out.println(menuname);
    System.out.println(day1);

    return "/admin/order_search";
}

项目链接：
https://javayms.github.io?id=222023182309201fa
https://javayms.pages.dev?id=222023182309201fa