杨校老师之基于SSM开发的校园点餐配送系统

Spring + SpringMVC + Mybatis

layui+jsp+jquery

IntellJ Idea + Tomact9 + MySQL5.7 + JDK1.8 + Maven3.5

package org.mryang.schoolorder.controller;

import org.mryang.schoolorder.pojo.User;
import org.mryang.schoolorder.service.UserService;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
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.RequestMethod;

import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 后台登陆
 */
@Controller
@RequestMapping("")
public class LoginController {

    @Autowired
    UserService userService;

    @RequestMapping(value="/login",method= RequestMethod.POST)
    public String login(Model model, String name, String password){//throws ParseException
        Subject subject = SecurityUtils.getSubject();
        UsernamePasswordToken token = new UsernamePasswordToken(name,password);
        try {
            subject.login(token);
            User us = userService.getByName(name);
            String lastLoginTime = "";
            if(us!=null){
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                //上次时间
                Date time = us.getLasttime();
                lastLoginTime = sdf.format(time);
                //新时间
                String format = sdf.format(new Date());
                //string转date  不处理时间格式会不理想
                ParsePosition pos = new ParsePosition(0);
                Date strtodate = sdf.parse(format, pos);
                us.setLasttime(strtodate);
                userService.update(us);
            }
            if (us.getStatus()==1){
                Session session=subject.getSession();
                session.setAttribute("subject", subject);
                session.setAttribute("lastLoginTime",lastLoginTime);
                return "redirect:index";
            }else {
                model.addAttribute("error", "账号已被停用！");
                return "/login";
            }

        } catch (AuthenticationException e) {
            model.addAttribute("error", "验证失败！");
            return "/login";
        }
    }
}

package org.mryang.schoolorder.controller;

import org.mryang.schoolorder.pojo.Category;
import org.mryang.schoolorder.service.CategoryService;
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 java.util.List;

/**
 * 商品分类模块controller
 */
@Controller
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    @RequestMapping("/list")
    public String list(Model model){
        List<Category> list = categoryService.list();
        model.addAttribute("list",list);
        model.addAttribute("size",list.size());
        return "productmodule/category-list";
    }

    @RequestMapping("/addCategory")
    public String add(@RequestParam(value = "name")String name){
        Category category = new Category();
        category.setName(name);
        categoryService.save(category);
        return "productmodule/category-list";
    }

    @RequestMapping("/delCategory")
    public String del(@RequestParam(value = "id")int id){
        categoryService.del(id);
        return "redirect:list";
    }

    @RequestMapping("/editCategory")
    public String edit(@RequestParam(value = "id")int id, Model model){
        Category category = categoryService.get(id);
        model.addAttribute("category",category);
        return "productmodule/category-edit";
    }

    @RequestMapping("/updateCategory")
    public String update(Category category, Model model){
        categoryService.update(category);
        return "redirect:list";
    }
}

package org.mryang.schoolorder.service;

import org.mryang.schoolorder.pojo.Customer;
/**
 *  会员业务逻辑层接口，继承 增删改查业务逻辑接口
 *   降低偶合
 */
public interface CustomerService extends CrudService<Customer>{

    /**
     * 返回登陆的用户
     * @param customer
     * @return
     */
    public Customer foreLogin(Customer customer);

    /**
     * 设置会员
     * @param id
     */
    public void shezhihuiyuan(int id);



}

package org.mryang.schoolorder.service.impl;

import org.mryang.schoolorder.dao.CategoryMapper;
import org.mryang.schoolorder.pojo.Category;
import org.mryang.schoolorder.service.CategoryService;
import org.mryang.schoolorder.service.ProductService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class CategoryServiceImpl implements CategoryService {

    @Autowired
    private CategoryMapper categoryMapper;
    @Autowired
    private ProductService productService;

    @Override
    public List<Category> list() {
        List<Category> categoryList = categoryMapper.selectByExample(null);
        return categoryList;
    }

    @Override
    public void save(Category category) {
        categoryMapper.insert(category);
    }

    @Override
    public void del(int id) {
        boolean cunzai = productService.findProByCid(id);
        if(!cunzai){
            categoryMapper.deleteByPrimaryKey(id);
        }
    }

    @Override
    public Category get(int id) {
        return categoryMapper.selectByPrimaryKey(id);
    }

    @Override
    public void update(Category category) {
        categoryMapper.updateByPrimaryKeySelective(category);
    }
}