汽车销售|基于SpringBoo的汽配销售平台的设计与实现

package com.qst.controller.admin;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.qst.dao.university.AdminMapper;
import com.qst.pojo.ResultInfo;
import com.qst.pojo.university.Admin;
import com.qst.service.admin.AdminService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
@RequestMapping("/admin")
public class AdminController {
    @Autowired
    AdminService adminService;
    @Autowired
    AdminMapper adminMapper;
    @RequestMapping("/login")
    public ResultInfo login(String username,String password){
        Admin admin = null;
        try {
            admin = adminService.login(username, password);
        } catch (Exception e) {
            e.printStackTrace();
        }
        //管理员登录
        if (admin!=null){
            return new ResultInfo(true,admin,"登录成功");
        }else {
            return new ResultInfo(false,null,"用户名或者密码错误");
        }
    }
    //查询所有的管理员列表，通过条件分页查询
    @RequestMapping("/AdminList")
    public ResultInfo AdminList(@RequestParam(name = "currentPage" ,defaultValue = "1") int pageNum
            , @RequestParam(name = "pageSize" ,defaultValue = "5") int pageSize,String username,String isDelete){
        PageHelper.startPage(pageNum,pageSize);
        List<Admin> admins=adminService.AdminList(username,isDelete);
        PageInfo pageInfo=new PageInfo(admins);
        return new ResultInfo(true,pageInfo,null);
    }
    //修改管理员状态
    @RequestMapping("/DeleteAdmin")
    public ResultInfo DeleteAdmin(Admin admin){
        boolean b;
        b=adminService.DeleteAdmin(admin);
        if (b){
            return new ResultInfo(true,null,"修改成功");
        }else {
            return new ResultInfo(false,null,"修改失败");
        }
    }
    //添加管理员用户
    @RequestMapping("/addAdmin")
    public ResultInfo addAdmin(Admin admin){
        boolean b=adminService.addAdmin(admin);
        if (b){
            return new ResultInfo(true,null,null);
        }else {
            return new ResultInfo(false,null,"用户名重复");
        }
    }
    //查询管理员信息
    @RequestMapping("/GetInfo")
    public ResultInfo GetInfo(Integer aId){
        Admin admin = adminMapper.selectByPrimaryKey(aId);
        return new ResultInfo(true,admin,null);
    }
    //修改密码
    @RequestMapping("/UpdataInfo")
    public ResultInfo UpdataInfo(Admin admin,String new_password){
        Admin num=adminService.UpdataInfo(admin,new_password);
        if (num!=null){
            return new ResultInfo(true,num,null);
        }else {
            return new ResultInfo(false,null,"新密码不能和旧密码一致！");
        }
    }
}

package com.qst.controller.home;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageInfo;
import com.qst.pojo.ResultInfo;
import com.qst.pojo.university.BigplusType;
import com.qst.pojo.university.Goods;
import com.qst.pojo.vo.Goods_List;
import com.qst.service.home.HomeGoodsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
@RequestMapping("/home/goods")
public class HomeGoodsController {
    @Autowired
    HomeGoodsService homeGoodsService;
    /**
     * 查询新商品的专区
     * @return
     */
    @RequestMapping("/NewGoods")
    public ResultInfo NewGoods(){
        try {
            List<Goods> list = homeGoodsService.NewGoods();
            return new ResultInfo(true,list,"查询成功");
        } catch (Exception e) {
            e.printStackTrace();
            return new ResultInfo(false,null,"查询失败");
        }
    }
    //通过大分类查询所有的商品
    @RequestMapping("/GoodsList")
    public ResultInfo GoodsList(){
        try {
            List<Goods_List> list=homeGoodsService.GoodsList();
            return new ResultInfo(true,list,"查询成功");
        } catch (Exception e) {
            e.printStackTrace();
            return new ResultInfo(false,null,"查询失败");
        }
    }
    /**
     * 通过分类id查询所有的商品进行分页
     * @param class_info
     * @param goods_type
     * @param pageNum
     * @param pageSize
     * @return
     */
    @RequestMapping("/GoodsById")
    public ResultInfo GoodsById(int class_info, int goods_type,@RequestParam(name = "pageNum" ,defaultValue = "1")  int pageNum
            , @RequestParam(name = "pageSize" ,defaultValue = "5") int pageSize,String keywords){
        try {
            List<Goods> list= homeGoodsService.GoodsById(class_info,goods_type,keywords);
//            System.out.println(list+""+class_info+" "+goods_type);
//            System.out.println(list);
            PageInfo pageInfo = getPageInfo(pageNum, pageSize, list);
//            return new ResultInfo(true,null,"查询成功");
            return new ResultInfo(true,pageInfo,"查询成功");
        } catch (Exception e) {
            e.printStackTrace();
            return new ResultInfo(false,null,"查询失败");
        }
    }
    /**
     * pagehelper手动分页
     * @param currentPage 当前页
     * @param pageSize
     * @param list
     * @param <T>
     * @return
     */
    public static <T> PageInfo<T> getPageInfo(int currentPage, int pageSize, List<T> list) {
        int total = list.size();
        if (total > pageSize) {
            int toIndex = pageSize * currentPage;
            if (toIndex > total) {
                toIndex = total;
            }
            list = list.subList(pageSize * (currentPage - 1), toIndex);
        }
        Page<T> page = new Page<>(currentPage, pageSize);
        page.addAll(list);
        page.setPages((total + pageSize - 1) / pageSize);
        page.setTotal(total);
        PageInfo<T> pageInfo = new PageInfo<>(page);
        return pageInfo;
    }
    /**
     * 通过大分类id查询，该大分类下对应的小分类
     * @param bigp
     * @return
     */
    @RequestMapping("/SelectTypeById")
    public ResultInfo SelectTypeById(int bigp){
        try {
            BigplusType bigplusType=homeGoodsService.SelectTypeById(bigp);
            return new ResultInfo(true,bigplusType,"成功");
        } catch (Exception e) {
            e.printStackTrace();
            return new ResultInfo(false,null,"失败");
        }
    }
    /**
     * 通过商品的id查询该商品的详细信息
     * @param goods_id
     * @return
     */
    @RequestMapping("/homeGetGoodsInfoById")
    public ResultInfo homeGetGoodsInfoById(int goods_id){
        try {
            Goods goods = homeGoodsService.homeGetGoodsInfoById(goods_id);
            return new ResultInfo(true,goods,"查询商品详细信息成功");
        } catch (Exception e) {
            e.printStackTrace();
            return new ResultInfo(false,null,"查询商品详细信息失败！");
        }
    }
    //商品推荐
    @RequestMapping("/GoodsSaleList")
    public ResultInfo GoodsSaleList(Integer gId){
       List<Goods> list= homeGoodsService.GoodsSaleList(gId);
        return new ResultInfo(true,list,null);
    }
}