SSM框架(spring+springmvc+mybatis)+Mysql实现的网上订餐管理系统（功能包含前台：商品浏览、加入购物车、提交订单、订单详情、校园资

@TOC

SSM框架(spring springmvc mybatis) Mysql实现的网上订餐管理系统

本系统解决了一站式商品配送，网上订餐的难题，用户可以在前台浏览餐品、下单，后台可以进行订单管理配送，同时还有角色等的管理，前台还可以查看一些校园资讯内容，功能完备。

实现功能截图

前台

前台首页

添加购物车

提交订单

订单信息填写

购物车信息

校园资讯

常见问题

后台：

后台订单管理

订单详情

订单发货

评论管理

商品分类管理

商品列表

权限管理

角色管理

用户管理

资讯管理

系统功能

本网上订餐管理系统实现了以下功能：

前台：

1、登录

2、餐品浏览

3、加入购物车

4、购物车查看

5、下单

6、下单信息填写

7、校园资讯

后台：

8、登录

9、订单管理

10、订单详情查看

11、订单发货

12、用户管理

13、权限管理

14、角色管理

15、评论管理

18、商品管理

等

使用技术

数据库：mysql

开发工具：Idea（Myeclispe、Eclipse也可以）

知识点：SSM框架(spring springmvc mybatis)

代码

实体类

Order.java

代码语言：java复制

package com.byh.biyesheji.pojo;

import lombok.Getter;
import lombok.Setter;
import lombok.ToString;

import java.util.List;

/**
 * 公众号：程序猿矛盾体
 * 微信：Code2Life2
 */

@ToString
public class Order {

    private Integer id;

    private String code;//订单编号

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public Integer getStatus() {
        return status;
    }

    public void setStatus(Integer status) {
        this.status = status;
    }

    public Integer getCstid() {
        return cstid;
    }

    public void setCstid(Integer cstid) {
        this.cstid = cstid;
    }

    public List<OrderItem> getOrderItems() {
        return orderItems;
    }

    public void setOrderItems(List<OrderItem> orderItems) {
        this.orderItems = orderItems;
    }

    public Customer getCustomer() {
        return customer;
    }

    public void setCustomer(Customer customer) {
        this.customer = customer;
    }

    public float getTotal() {
        return total;
    }

    public void setTotal(float total) {
        this.total = total;
    }

    public int getTotalNumber() {
        return totalNumber;
    }

    public void setTotalNumber(int totalNumber) {
        this.totalNumber = totalNumber;
    }

    private String address;

    private Integer status;

    private Integer cstid;

    private List<OrderItem> orderItems;

    private Customer customer;

    private float total;  //总价

    private int totalNumber; //总数量

}

Product.java

代码语言：java复制

package com.byh.biyesheji.pojo;

import lombok.Getter;
import lombok.Setter;
import lombok.ToString;

/**
 * 公众号：程序猿矛盾体
 * 微信：Code2Life2
 */
public class Product {
    private Integer id;

    private String name;

    private Float price;

    private Integer zan;

    private Integer number;

    private Integer status;

    private String imageurl;

    private String miaoshu;

    private Integer cid;

    private Long bid;

    private Category category;
    private User user;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Float getPrice() {
        return price;
    }

    public void setPrice(Float price) {
        this.price = price;
    }

    public Integer getZan() {
        return zan;
    }

    public void setZan(Integer zan) {
        this.zan = zan;
    }

    public Integer getNumber() {
        return number;
    }

    public void setNumber(Integer number) {
        this.number = number;
    }

    public Integer getStatus() {
        return status;
    }

    public void setStatus(Integer status) {
        this.status = status;
    }

    public String getImageurl() {
        return imageurl;
    }

    public void setImageurl(String imageurl) {
        this.imageurl = imageurl;
    }

    public String getMiaoshu() {
        return miaoshu;
    }

    public void setMiaoshu(String miaoshu) {
        this.miaoshu = miaoshu;
    }

    public Integer getCid() {
        return cid;
    }

    public void setCid(Integer cid) {
        this.cid = cid;
    }

    public Long getBid() {
        return bid;
    }

    public void setBid(Long bid) {
        this.bid = bid;
    }

    public Category getCategory() {
        return category;
    }

    public void setCategory(Category category) {
        this.category = category;
    }

    public User getUser() {
        return user;
    }

    public void setUser(User user) {
        this.user = user;
    }

    @Override
    public String toString() {
        return "Product{"  
                "id="   id  
                ", name='"   name   '''  
                ", price="   price  
                ", zan="   zan  
                ", number="   number  
                ", status="   status  
                ", imageurl='"   imageurl   '''  
                ", miaoshu='"   miaoshu   '''  
                ", cid="   cid  
                ", bid="   bid  
                ", category="   category  
                ", user="   user  
                '}';
    }
}

service层

OrderServiceImpl.java

代码语言：java复制

package com.byh.biyesheji.service.impl;

import com.byh.biyesheji.dao.OrderMapper;
import com.byh.biyesheji.pojo.Customer;
import com.byh.biyesheji.pojo.Order;
import com.byh.biyesheji.pojo.OrderExample;
import com.byh.biyesheji.pojo.OrderItem;
import com.byh.biyesheji.service.CustomerService;
import com.byh.biyesheji.service.OrderItemService;
import com.byh.biyesheji.service.OrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
/**
 * 公众号：程序猿矛盾体
 * 微信：Code2Life2
 */
@Service
public class OrderServiceImpl implements OrderService {
    @Autowired
    OrderMapper orderMapper;
    @Autowired
    CustomerService customerService;
    @Autowired
    OrderItemService orderItemService;

    @Override
    public void save(Order c) {
        orderMapper.insert(c);
    }

    @Override
    public void del(int id) {
        orderMapper.deleteByPrimaryKey(id);
    }

    @Override
    public void update(Order c) {
        orderMapper.updateByPrimaryKeySelective(c);
    }

    @Override
    public Order get(int id) {
        return orderMapper.selectByPrimaryKey(id);
    }

    public List<Order> list(){
        OrderExample example =new OrderExample();
        example.setOrderByClause("id desc");
        List<Order> result =orderMapper.selectByExample(example);
        setCust(result);
        return result;
    }
    //给每个订单设置客户
    public void setCust(List<Order> os){
        for (Order o : os)
            setCust(o);
    }
    //给客户实体设置客户
    public void setCust(Order o){
        int cstid = o.getCstid();
        Customer customer = customerService.get(cstid);
        o.setCustomer(customer);
    }

    @Transactional(propagation= Propagation.REQUIRED,rollbackForClassName="Exception")
    @Override
    public float add(Order o, List<OrderItem> ois) {
        float total = 0;
        save(o);//新增订单数据

        if(false)
            throw new RuntimeException(); //用来模拟当增加订单后出现异常，观察事务管理是否预期发生。（需要把false修改为true才能观察到）

        for (OrderItem oi: ois) {
            oi.setOid(o.getId());//给订单项设置订单id 关联起来
            orderItemService.update(oi);
            total =oi.getProduct().getPrice()*oi.getNumber();//商品的价格 当前订单项购买数量
        }
        return total;
    }

    @Override
    public List<Order> list(int cstid) {
        OrderExample example =new OrderExample();
        example.createCriteria().andCstidEqualTo(cstid);
        example.setOrderByClause("id asc");
        return orderMapper.selectByExample(example);
    }

}

ProductServiceImpl.java

代码语言：java复制

package com.byh.biyesheji.service.impl;

import com.byh.biyesheji.dao.ProductMapper;
import com.byh.biyesheji.dao.UserMapper;
import com.byh.biyesheji.pojo.*;
import com.byh.biyesheji.service.CategoryService;
import com.byh.biyesheji.service.ProductService;
import com.byh.biyesheji.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
/**
 * 公众号：程序猿矛盾体
 * 微信：Code2Life2
 */
@Service
public class ProductServiceImpl implements ProductService {

    @Autowired
    private ProductMapper productMapper;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private UserService userService;
    @Autowired
    private UserMapper userMapper;

    @Override
    public List<Product> list() {
        List<Product> products = productMapper.selectByExample(null);//获得商品列表
        for (Product p:products){
            Category category = categoryService.get(p.getCid());
            p.setCategory(category);
            User user = userService.get(p.getBid());
            p.setUser(user);
        }
        return products;
    }

    @Override
    public String enableStatus(String name) {
        productMapper.enableStatus(name);
        return "success";
    }

    @Override
    public String stopStatus(String name) {
        productMapper.stopStatus(name);
        return "success";
    }

    @Override
    public void save(Product product) {
        product.setStatus(1);
        productMapper.insert(product);
    }

    @Override
    public void setImageURL(ProductVO vo) {
        productMapper.setImageUrl(vo);
    }

    @Override
    public Product get(int id) {
        return productMapper.selectByPrimaryKey(id);
    }

    @Override
    public void del(int id) {
        productMapper.deleteByPrimaryKey(id);
    }

    @Override
    public Category getCategoryByCid(int id) {
        Category category = categoryService.get(id);
        return category;
    }

    @Override
    public void update(Product product) {
        productMapper.updateByPrimaryKeySelective(product);
    }

    @Override
    public List<Product> getProductsByCid(Integer id) {
        ProductExample example = new ProductExample();
        example.createCriteria().andCidEqualTo(id).andStatusEqualTo(1);
        return productMapper.selectByExample(example);
    }

    @Override
    public User getUserByBid(long id) {
        return  userMapper.selectByPrimaryKey(id);
    }

    @Override
    public List<Product> findByName(String pName) {
        ProductExample example = new ProductExample();
        example.createCriteria().andNameLike("%" pName "%");
        List<Product> products = productMapper.selectByExample(example);
        return products;
    }

    @Override
    public List<Product> findByCid(int cid) {
        ProductExample example = new ProductExample();
        example.createCriteria().andCidEqualTo(cid);
        List<Product> products = productMapper.selectByExample(example);
        return products;
    }

    @Override
    public boolean findProByCid(int cid) {
        ProductExample example = new ProductExample();
        example.createCriteria().andCidEqualTo(cid);
        List<Product> products = productMapper.selectByExample(example);
        return products.size()>0&&products!=null?true:false;
    }

}

controller层

OrderController.java

代码语言：java复制

package com.byh.biyesheji.controller;


import com.byh.biyesheji.pojo.Order;
import com.byh.biyesheji.service.OrderItemService;
import com.byh.biyesheji.service.OrderService;
import com.byh.biyesheji.util.Page;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.List;

/**
 * 订单模块controller
 */
/**
 * 公众号：程序猿矛盾体
 * 微信：Code2Life2
 */
@Controller
@RequestMapping("/order")
public class OrderController {

    @Autowired
    OrderService orderService;
    @Autowired
    OrderItemService orderItemService;

    /**
     * 所有订单
     * @param model
     * @param page
     * @return
     */
    @RequestMapping("/list")
    public String list(Model model, Page page){
        PageHelper.offsetPage(page.getStart(),page.getCount());

        List<Order> os= orderService.list();

        int total = (int) new PageInfo<>(os).getTotal();
        page.setTotal(total);
        //为订单添加订单项数据
        orderItemService.fill(os);

        model.addAttribute("os", os);
        model.addAttribute("page", page);
        model.addAttribute("totals", total);

        return "ordermodule/order-list";
    }

    /**
     * 订单发货
     * @param o
     * @return
     */
    @RequestMapping("/orderDelivery")
    public String delivery(Order o){
        o.setStatus(2);
        orderService.update(o);
        return "redirect:list";
    }

    /**
     * 查看当前订单的订单项
     * @param oid
     * @param model
     * @return
     */
    @RequestMapping("/seeOrderItem")
    public String seeOrderItem(int oid,Model model){
        Order o = orderService.get(oid);
        orderItemService.fill(o);
        model.addAttribute("orderItems",o.getOrderItems());
        model.addAttribute("total",o.getOrderItems().size());
        model.addAttribute("totalPrice",o.getTotal());
        return "ordermodule/orderItem-list";
    }

}

ProductController.java

代码语言：java复制

package com.byh.biyesheji.controller;

import com.byh.biyesheji.pojo.Category;
import com.byh.biyesheji.pojo.Product;
import com.byh.biyesheji.pojo.ProductVO;
import com.byh.biyesheji.pojo.User;
import com.byh.biyesheji.service.CategoryService;
import com.byh.biyesheji.service.ProductService;
import com.byh.biyesheji.service.UserService;
import com.byh.biyesheji.util.Page;
import com.byh.biyesheji.util.UploadUtil;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;
import java.io.File;
import java.io.IOException;
import java.util.List;

/**
 * 商品模块controller
 */
/**
 * 公众号：程序猿矛盾体
 * 微信：Code2Life2
 */
@Controller
@RequestMapping("/product")
public class ProductController {

    @Autowired
    private ProductService productService;
    @Autowired
    private UserService userService;
    @Autowired
    private CategoryService categoryService;

    @RequestMapping("/list")
    public String list(Model model, Page page){
        PageHelper.offsetPage(page.getStart(),page.getCount());//分页查询
        List<Product> list= productService.list();
        int total = (int) new PageInfo<>(list).getTotal();//总条数
        page.setTotal(total);

        model.addAttribute("list",list);
        model.addAttribute("total",total);
        model.addAttribute("page", page);

        return "productmodule/product-list";
    }


    @RequestMapping("/enableStatus")
    @ResponseBody
    public String enableStatus(@RequestParam(value = "name") String name){
        return productService.enableStatus(name);
    }

    @RequestMapping("/stopStatus")
    @ResponseBody
    public String stopStatus(@RequestParam(value = "name") String name){
        return productService.stopStatus(name);
    }

    @RequestMapping("/productAddUI")
    public String addUI(Model model){

        List<Category> categoryList = categoryService.list();

        List<User> userList = userService.list();

        model.addAttribute("categoryList",categoryList);
        model.addAttribute("userList",userList);

        return "productmodule/product-add";
    }

    @RequestMapping("/addProduct")
    public String add(Product product, HttpSession session, UploadUtil upload) throws IOException {

        productService.save(product);
        if (upload != null) {
            String imageName = product.getId() ".jpg";

            File file = new File(session.getServletContext().getRealPath("/images/product"),imageName);

            System.out.println(session.getServletContext().getRealPath("/images/product"));

            file.getParentFile().mkdirs();
            upload.getImage().transferTo(file);

            System.out.println("[" product.getId() "," "images/product/" imageName "]");

            ProductVO vo = new ProductVO();
            vo.setId(product.getId());
            vo.setImageUrl("images/product/" imageName);

            productService.setImageURL(vo);

            System.out.println(productService.get(product.getId()));
        }
        return "redirect:list";
    }

    @RequestMapping("/deleteProduct")
    public String del(@RequestParam(value = "id")int id,HttpSession session){
        productService.del(id);
        String imageName = id ".jpg";
        File file = new File(session.getServletContext().getRealPath("/images/product"),imageName);
        file.delete();
        return "redirect:list";
    }

    @RequestMapping("/editProduct")
    public String editUI(@RequestParam(value = "id")int id,Model model){
        //获得要修改商品的信息
        Product product = productService.get(id);
        model.addAttribute("product",product);
        System.out.println(product);

        List<Category> categoryList = categoryService.list();
        List<User> userList = userService.list();
        //通过商品id 返回所属分类
        Category categoryByid = productService.getCategoryByCid(id);
        model.addAttribute("crrentCategory",categoryByid);
        //通过id返回所属商家
        User userById = userService.getUserByPid(id);
        model.addAttribute("crrentUser",userById);

        model.addAttribute("categoryList",categoryList);
        model.addAttribute("userList",userList);

        return "productmodule/product-edit";
    }

    @RequestMapping("/updateProduct")
    public String update(Product product, HttpSession session, UploadUtil upload) throws IOException {
        productService.update(product);
        if(upload!=null){

            String imageName = product.getId() ".jpg";

            File file = new File(session.getServletContext().getRealPath("/images/product"),imageName);

            file.getParentFile().mkdirs();
            upload.getImage().transferTo(file);

            ProductVO vo = new ProductVO();
            vo.setId(product.getId());
            vo.setImageUrl("images/product/" imageName);

            productService.setImageURL(vo);

        }

        return "redirect:list";
    }

}

javamysql idea ssm

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