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Java毕业设计项目~热门选题推荐《1000套》
目录
1.技术选型
2.数据库表结构
3.开发工具
4.功能
4.1【角色】
4.2【前台功能模块】
4.3【后台功能模块】
5.项目演示截图
5.1 首页
5.2 交流论坛
5.3 公告信息
5.4 农产品
5.5 个人中心
5.6 农产品管理
5.7 农产品订单管理
5.8 用户管理
6.数据库文件设计
7.核心代码
7.1 农产品Controller
7.2 农产品ServiceImpl
7.3 农产品Service
7.4 农产品DAO
8.参考文档
1.技术选型
springboot、mybatisplus、vue、elementui、html、css、js、mysql、jdk1.8
2.数据库表结构
15张
3.开发工具
idea、navicat
4.功能
4.1【角色】
管理员、用户、商家
4.2【前台功能模块】
- 登录注册
- 首页
- 交流论坛
- 公告信息
- 农产品
- 商家
- 个人中心
- 购物车
4.3【后台功能模块】
- 登录
- 首页
- 个人中心
- 管理员管理
- 商家管理
- 用户管理
- 农产品管理（农产品、农产品评价、农产品订单）
- 交流论坛管理
- 公告信息管理
- 基础数据管理
- 轮播图信息
5.项目演示截图
5.1 首页
5.2 交流论坛
5.3 公告信息
5.4 农产品
5.5 个人中心
5.6 农产品管理
5.7 农产品订单管理
5.8 用户管理
6.数据库文件设计
CREATE TABLE `address` (
`id` int(20) NOT NULL AUTO_INCREMENT COMMENT '主键 ',
`yonghu_id` int(20) NOT NULL COMMENT '创建用户',
`address_name` varchar(200) NOT NULL COMMENT '收货人 ',
`address_phone` varchar(200) NOT NULL COMMENT '电话 ',
`address_dizhi` varchar(200) NOT NULL COMMENT '地址 ',
`isdefault_types` int(11) NOT NULL COMMENT '是否默认地址 ',
`insert_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '添加时间',
`update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
`create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间 show3',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8 COMMENT='收货地址';
CREATE TABLE `cart` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
`yonghu_id` int(11) DEFAULT NULL COMMENT '所属用户',
`nongchanpin_id` int(11) DEFAULT NULL COMMENT '农产品',
`buy_number` int(11) DEFAULT NULL COMMENT '购买数量',
`create_time` timestamp NULL DEFAULT NULL COMMENT '添加时间',
`update_time` timestamp NULL DEFAULT NULL COMMENT '更新时间',
`insert_time` timestamp NULL DEFAULT NULL COMMENT '创建时间',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8 COMMENT='购物车';
CREATE TABLE `config` (
`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
`name` varchar(100) NOT NULL COMMENT '配置参数名称',
`value` varchar(100) DEFAULT NULL COMMENT '配置参数值',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='配置文件';
CREATE TABLE `dictionary` (
`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
`dic_code` varchar(200) DEFAULT NULL COMMENT '字段',
`dic_name` varchar(200) DEFAULT NULL COMMENT '字段名',
`code_index` int(11) DEFAULT NULL COMMENT '编码',
`index_name` varchar(200) DEFAULT NULL COMMENT '编码名字 Search111 ',
`super_id` int(11) DEFAULT NULL COMMENT '父字段id',
`beizhu` varchar(200) DEFAULT NULL COMMENT '备注',
`create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=24 DEFAULT CHARSET=utf8 COMMENT='字典';
CREATE TABLE `forum` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
`forum_name` varchar(200) DEFAULT NULL COMMENT '帖子标题 Search111 ',
`yonghu_id` int(11) DEFAULT NULL COMMENT '用户',
`shangjia_id` int(11) DEFAULT NULL COMMENT '商家',
`users_id` int(11) DEFAULT NULL COMMENT '管理员',
`forum_content` longtext COMMENT '发布内容',
`super_ids` int(11) DEFAULT NULL COMMENT '父id',
`forum_state_types` int(11) DEFAULT NULL COMMENT '帖子状态',
`insert_time` timestamp NULL DEFAULT NULL COMMENT '发帖时间',
`update_time` timestamp NULL DEFAULT NULL COMMENT '修改时间',
`create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间 show2',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=19 DEFAULT CHARSET=utf8 COMMENT='交流论坛';
CREATE TABLE `gonggao` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键 ',
`gonggao_name` varchar(200) DEFAULT NULL COMMENT '公告名称 Search111 ',
`gonggao_photo` varchar(200) DEFAULT NULL COMMENT '公告图片 ',
`gonggao_types` int(11) NOT NULL COMMENT '公告类型 Search111 ',
`insert_time` timestamp NULL DEFAULT NULL COMMENT '发布时间',
`gonggao_content` longtext COMMENT '公告详情 ',
`create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间 show1 show2 nameShow',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8 COMMENT='公告信息';
CREATE TABLE `nongchanpin_collection` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
`nongchanpin_id` int(11) DEFAULT NULL COMMENT '农产品',
`yonghu_id` int(11) DEFAULT NULL COMMENT '用户',
`nongchanpin_collection_types` int(11) DEFAULT NULL COMMENT '类型',
`insert_time` timestamp NULL DEFAULT NULL COMMENT '收藏时间',
`create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间 show3 photoShow',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8 COMMENT='农产品收藏';
CREATE TABLE `nongchanpin_commentback` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
`nongchanpin_id` int(11) DEFAULT NULL COMMENT '农产品',
`yonghu_id` int(11) DEFAULT NULL COMMENT '用户',
`nongchanpin_commentback_text` text COMMENT '评价内容',
`insert_time` timestamp NULL DEFAULT NULL COMMENT '评价时间',
`reply_text` text COMMENT '回复内容',
`update_time` timestamp NULL DEFAULT NULL COMMENT '回复时间',
`create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=utf8 COMMENT='农产品评价';
CREATE TABLE `shangjia` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键 ',
`username` varchar(200) DEFAULT NULL COMMENT '账户 ',
`password` varchar(200) DEFAULT NULL COMMENT '密码 ',
`shangjia_name` varchar(200) DEFAULT NULL COMMENT '商家名称 Search111 ',
`shangjia_phone` varchar(200) DEFAULT NULL COMMENT '联系方式',
`shangjia_email` varchar(200) DEFAULT NULL COMMENT '邮箱',
`shangjia_photo` varchar(200) DEFAULT NULL COMMENT '营业执照展示 ',
`shangjia_xingji_types` int(11) DEFAULT NULL COMMENT '商家信用类型',
`new_money` decimal(10,2) DEFAULT NULL COMMENT '现有余额',
`shangjia_content` longtext COMMENT '商家介绍 ',
`shangjia_delete` int(11) DEFAULT NULL COMMENT '逻辑删除',
`create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间 show1 show2 photoShow ',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='商家';
CREATE TABLE `token` (
`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
`userid` bigint(20) NOT NULL COMMENT '儿童id',
`username` varchar(100) NOT NULL COMMENT '儿童名',
`tablename` varchar(100) DEFAULT NULL COMMENT '表名',
`role` varchar(100) DEFAULT NULL COMMENT '角色',
`token` varchar(200) NOT NULL COMMENT '密码',
`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '新增时间',
`expiratedtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '过期时间',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='token表';
CREATE TABLE `users` (
`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
`username` varchar(100) NOT NULL COMMENT '儿童名',
`password` varchar(100) NOT NULL COMMENT '密码',
`role` varchar(100) DEFAULT '管理员' COMMENT '角色',
`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '新增时间',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT='管理员';
CREATE TABLE `yonghu` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
`username` varchar(200) DEFAULT NULL COMMENT '账户',
`password` varchar(200) DEFAULT NULL COMMENT '密码',
`yonghu_uuid_number` varchar(200) DEFAULT NULL COMMENT '用户编号 Search111 ',
`yonghu_name` varchar(200) DEFAULT NULL COMMENT '用户姓名 Search111 ',
`yonghu_phone` varchar(200) DEFAULT NULL COMMENT '用户手机号',
`yonghu_id_number` varchar(200) DEFAULT NULL COMMENT '用户身份证号',
`yonghu_photo` varchar(200) DEFAULT NULL COMMENT '用户头像',
`sex_types` int(11) DEFAULT NULL COMMENT '性别',
`yonghu_email` varchar(200) DEFAULT NULL COMMENT '用户邮箱',
`new_money` decimal(10,2) DEFAULT NULL COMMENT '余额 ',
`create_time` timestamp NULL DEFAULT NULL COMMENT '创建时间',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='用户';
7.核心代码
7.1 农产品Controller
package com.controller;
/**
* 农产品
* 后端接口
* @author 计算机编程-吉哥
* @email
*/
@RestController
@Controller
@RequestMapping("/nongchanpin")
public class NongchanpinController {
private static final Logger logger = LoggerFactory.getLogger(NongchanpinController.class);
private static final String TABLE_NAME = "nongchanpin";
@Autowired
private NongchanpinService nongchanpinService;
@Autowired
private TokenService tokenService;
@Autowired
private AddressService addressService;//收货地址
@Autowired
private CartService cartService;//购物车
@Autowired
private DictionaryService dictionaryService;//字典
@Autowired
private ForumService forumService;//交流论坛
@Autowired
private GonggaoService gonggaoService;//公告信息
@Autowired
private NongchanpinCollectionService nongchanpinCollectionService;//农产品收藏
@Autowired
private NongchanpinCommentbackService nongchanpinCommentbackService;//农产品评价
@Autowired
private NongchanpinOrderService nongchanpinOrderService;//农产品订单
@Autowired
private ShangjiaService shangjiaService;//商家
@Autowired
private YonghuService yonghuService;//用户
@Autowired
private UsersService usersService;//管理员
/**
* 后端列表
*/
@RequestMapping("/page")
public R page(@RequestParam Map<String, Object> params, HttpServletRequest request){
logger.debug("page方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
String role = String.valueOf(request.getSession().getAttribute("role"));
if(false)
return R.error(511,"永不会进入");
else if("用户".equals(role))
params.put("yonghuId",request.getSession().getAttribute("userId"));
else if("商家".equals(role))
params.put("shangjiaId",request.getSession().getAttribute("userId"));
params.put("nongchanpinDeleteStart",1);params.put("nongchanpinDeleteEnd",1);
CommonUtil.checkMap(params);
PageUtils page = nongchanpinService.queryPage(params);
//字典表数据转换
List<NongchanpinView> list =(List<NongchanpinView>)page.getList();
for(NongchanpinView c:list){
//修改对应字典表字段
dictionaryService.dictionaryConvert(c, request);
}
return R.ok().put("data", page);
}
/**
* 后端详情
*/
@RequestMapping("/info/{id}")
public R info(@PathVariable("id") Long id, HttpServletRequest request){
logger.debug("info方法:,,Controller:{},,id:{}",this.getClass().getName(),id);
NongchanpinEntity nongchanpin = nongchanpinService.selectById(id);
if(nongchanpin !=null){
//entity转view
NongchanpinView view = new NongchanpinView();
BeanUtils.copyProperties( nongchanpin , view );//把实体数据重构到view中
//级联表 商家
//级联表
ShangjiaEntity shangjia = shangjiaService.selectById(nongchanpin.getShangjiaId());
if(shangjia != null){
BeanUtils.copyProperties( shangjia , view ,new String[]{ "id", "createTime", "insertTime", "updateTime", "username", "password", "newMoney", "shangjiaId"});//把级联的数据添加到view中,并排除id和创建时间字段,当前表的级联注册表
view.setShangjiaId(shangjia.getId());
}
//修改对应字典表字段
dictionaryService.dictionaryConvert(view, request);
return R.ok().put("data", view);
}else {
return R.error(511,"查不到数据");
}
}
/**
* 后端保存
*/
@RequestMapping("/save")
public R save(@RequestBody NongchanpinEntity nongchanpin, HttpServletRequest request){
logger.debug("save方法:,,Controller:{},,nongchanpin:{}",this.getClass().getName(),nongchanpin.toString());
String role = String.valueOf(request.getSession().getAttribute("role"));
if(false)
return R.error(511,"永远不会进入");
else if("商家".equals(role))
nongchanpin.setShangjiaId(Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId"))));
Wrapper<NongchanpinEntity> queryWrapper = new EntityWrapper<NongchanpinEntity>()
.eq("shangjia_id", nongchanpin.getShangjiaId())
.eq("nongchanpin_name", nongchanpin.getNongchanpinName())
.eq("nongchanpin_types", nongchanpin.getNongchanpinTypes())
.eq("nongchanpin_kucun_number", nongchanpin.getNongchanpinKucunNumber())
.eq("shangxia_types", nongchanpin.getShangxiaTypes())
.eq("nongchanpin_delete", 1)
;
logger.info("sql语句:"+queryWrapper.getSqlSegment());
NongchanpinEntity nongchanpinEntity = nongchanpinService.selectOne(queryWrapper);
if(nongchanpinEntity==null){
nongchanpin.setNongchanpinClicknum(1);
nongchanpin.setShangxiaTypes(1);
nongchanpin.setNongchanpinDelete(1);
nongchanpin.setCreateTime(new Date());
nongchanpinService.insert(nongchanpin);
return R.ok();
}else {
return R.error(511,"表中有相同数据");
}
}
/**
* 后端修改
*/
@RequestMapping("/update")
public R update(@RequestBody NongchanpinEntity nongchanpin, HttpServletRequest request) throws NoSuchFieldException, ClassNotFoundException, IllegalAccessException, InstantiationException {
logger.debug("update方法:,,Controller:{},,nongchanpin:{}",this.getClass().getName(),nongchanpin.toString());
NongchanpinEntity oldNongchanpinEntity = nongchanpinService.selectById(nongchanpin.getId());//查询原先数据
String role = String.valueOf(request.getSession().getAttribute("role"));
// if(false)
// return R.error(511,"永远不会进入");
// else if("商家".equals(role))
// nongchanpin.setShangjiaId(Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId"))));
if("".equals(nongchanpin.getNongchanpinPhoto()) || "null".equals(nongchanpin.getNongchanpinPhoto())){
nongchanpin.setNongchanpinPhoto(null);
}
if("".equals(nongchanpin.getNongchanpinContent()) || "null".equals(nongchanpin.getNongchanpinContent())){
nongchanpin.setNongchanpinContent(null);
}
nongchanpinService.updateById(nongchanpin);//根据id更新
return R.ok();
}
/**
* 删除
*/
@RequestMapping("/delete")
public R delete(@RequestBody Integer[] ids, HttpServletRequest request){
logger.debug("delete:,,Controller:{},,ids:{}",this.getClass().getName(),ids.toString());
List<NongchanpinEntity> oldNongchanpinList =nongchanpinService.selectBatchIds(Arrays.asList(ids));//要删除的数据
ArrayList<NongchanpinEntity> list = new ArrayList<>();
for(Integer id:ids){
NongchanpinEntity nongchanpinEntity = new NongchanpinEntity();
nongchanpinEntity.setId(id);
nongchanpinEntity.setNongchanpinDelete(2);
list.add(nongchanpinEntity);
}
if(list != null && list.size() >0){
nongchanpinService.updateBatchById(list);
}
return R.ok();
}
/**
* 批量上传
*/
@RequestMapping("/batchInsert")
public R save( String fileName, HttpServletRequest request){
logger.debug("batchInsert方法:,,Controller:{},,fileName:{}",this.getClass().getName(),fileName);
Integer yonghuId = Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId")));
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
//.eq("time", new SimpleDateFormat("yyyy-MM-dd").format(new Date()))
try {
List<NongchanpinEntity> nongchanpinList = new ArrayList<>();//上传的东西
Map<String, List<String>> seachFields= new HashMap<>();//要查询的字段
Date date = new Date();
int lastIndexOf = fileName.lastIndexOf(".");
if(lastIndexOf == -1){
return R.error(511,"该文件没有后缀");
}else{
String suffix = fileName.substring(lastIndexOf);
if(!".xls".equals(suffix)){
return R.error(511,"只支持后缀为xls的excel文件");
}else{
URL resource = this.getClass().getClassLoader().getResource("static/upload/" + fileName);//获取文件路径
File file = new File(resource.getFile());
if(!file.exists()){
return R.error(511,"找不到上传文件，请联系管理员");
}else{
List<List<String>> dataList = PoiUtil.poiImport(file.getPath());//读取xls文件
dataList.remove(0);//删除第一行，因为第一行是提示
for(List<String> data:dataList){
//循环
NongchanpinEntity nongchanpinEntity = new NongchanpinEntity();
//把要查询是否重复的字段放入map中
}
//查询是否重复
nongchanpinService.insertBatch(nongchanpinList);
return R.ok();
}
}
}
}catch (Exception e){
e.printStackTrace();
return R.error(511,"批量插入数据异常，请联系管理员");
}
}
/**
* 个性推荐
*/
@IgnoreAuth
@RequestMapping("/gexingtuijian")
public R gexingtuijian(@RequestParam Map<String, Object> params, HttpServletRequest request){
logger.debug("gexingtuijian方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
CommonUtil.checkMap(params);
List<NongchanpinView> returnNongchanpinViewList = new ArrayList<>();
//查询订单
Map<String, Object> params1 = new HashMap<>(params);params1.put("sort","id");params1.put("yonghuId",request.getSession().getAttribute("userId"));
params1.put("shangxiaTypes",1);
params1.put("nongchanpinYesnoTypes",2);
PageUtils pageUtils = nongchanpinOrderService.queryPage(params1);
List<NongchanpinOrderView> orderViewsList =(List<NongchanpinOrderView>)pageUtils.getList();
Map<Integer,Integer> typeMap=new HashMap<>();//购买的类型list
for(NongchanpinOrderView orderView:orderViewsList){
Integer nongchanpinTypes = orderView.getNongchanpinTypes();
if(typeMap.containsKey(nongchanpinTypes)){
typeMap.put(nongchanpinTypes,typeMap.get(nongchanpinTypes)+1);
}else{
typeMap.put(nongchanpinTypes,1);
}
}
List<Integer> typeList = new ArrayList<>();//排序后的有序的类型 按最多到最少
typeMap.entrySet().stream().sorted((o1, o2) -> o2.getValue() - o1.getValue()).forEach(e -> typeList.add(e.getKey()));//排序
Integer limit = Integer.valueOf(String.valueOf(params.get("limit")));
for(Integer type:typeList){
Map<String, Object> params2 = new HashMap<>(params);params2.put("nongchanpinTypes",type);
params2.put("shangxiaTypes",1);
params2.put("nongchanpinYesnoTypes",2);
PageUtils pageUtils1 = nongchanpinService.queryPage(params2);
List<NongchanpinView> nongchanpinViewList =(List<NongchanpinView>)pageUtils1.getList();
returnNongchanpinViewList.addAll(nongchanpinViewList);
if(returnNongchanpinViewList.size()>= limit) break;//返回的推荐数量大于要的数量 跳出循环
}
params.put("shangxiaTypes",1);
params.put("nongchanpinYesnoTypes",2);
//正常查询出来商品,用于补全推荐缺少的数据
PageUtils page = nongchanpinService.queryPage(params);
if(returnNongchanpinViewList.size()<limit){//返回数量还是小于要求数量
int toAddNum = limit - returnNongchanpinViewList.size();//要添加的数量
List<NongchanpinView> nongchanpinViewList =(List<NongchanpinView>)page.getList();
for(NongchanpinView nongchanpinView:nongchanpinViewList){
Boolean addFlag = true;
for(NongchanpinView returnNongchanpinView:returnNongchanpinViewList){
if(returnNongchanpinView.getId().intValue() ==nongchanpinView.getId().intValue()) addFlag=false;//返回的数据中已存在此商品
}
if(addFlag){
toAddNum=toAddNum-1;
returnNongchanpinViewList.add(nongchanpinView);
if(toAddNum==0) break;//够数量了
}
}
}else {
returnNongchanpinViewList = returnNongchanpinViewList.subList(0, limit);
}
for(NongchanpinView c:returnNongchanpinViewList)
dictionaryService.dictionaryConvert(c, request);
page.setList(returnNongchanpinViewList);
return R.ok().put("data", page);
}
/**
* 前端列表
*/
@IgnoreAuth
@RequestMapping("/list")
public R list(@RequestParam Map<String, Object> params, HttpServletRequest request){
logger.debug("list方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
CommonUtil.checkMap(params);
PageUtils page = nongchanpinService.queryPage(params);
//字典表数据转换
List<NongchanpinView> list =(List<NongchanpinView>)page.getList();
for(NongchanpinView c:list)
dictionaryService.dictionaryConvert(c, request); //修改对应字典表字段
return R.ok().put("data", page);
}
/**
* 前端详情
*/
@RequestMapping("/detail/{id}")
public R detail(@PathVariable("id") Integer id, HttpServletRequest request){
logger.debug("detail方法:,,Controller:{},,id:{}",this.getClass().getName(),id);
NongchanpinEntity nongchanpin = nongchanpinService.selectById(id);
if(nongchanpin !=null){
//点击数量加1
nongchanpin.setNongchanpinClicknum(nongchanpin.getNongchanpinClicknum()+1);
nongchanpinService.updateById(nongchanpin);
//entity转view
NongchanpinView view = new NongchanpinView();
BeanUtils.copyProperties( nongchanpin , view );//把实体数据重构到view中
//级联表
ShangjiaEntity shangjia = shangjiaService.selectById(nongchanpin.getShangjiaId());
if(shangjia != null){
BeanUtils.copyProperties( shangjia , view ,new String[]{ "id", "createTime", "insertTime", "updateTime", "username", "password", "newMoney", "shangjiaId"});//把级联的数据添加到view中,并排除id和创建时间字段
view.setShangjiaId(shangjia.getId());
}
//修改对应字典表字段
dictionaryService.dictionaryConvert(view, request);
return R.ok().put("data", view);
}else {
return R.error(511,"查不到数据");
}
}
/**
* 前端保存
*/
@RequestMapping("/add")
public R add(@RequestBody NongchanpinEntity nongchanpin, HttpServletRequest request){
logger.debug("add方法:,,Controller:{},,nongchanpin:{}",this.getClass().getName(),nongchanpin.toString());
Wrapper<NongchanpinEntity> queryWrapper = new EntityWrapper<NongchanpinEntity>()
.eq("shangjia_id", nongchanpin.getShangjiaId())
.eq("nongchanpin_name", nongchanpin.getNongchanpinName())
.eq("nongchanpin_types", nongchanpin.getNongchanpinTypes())
.eq("nongchanpin_kucun_number", nongchanpin.getNongchanpinKucunNumber())
.eq("nongchanpin_clicknum", nongchanpin.getNongchanpinClicknum())
.eq("shangxia_types", nongchanpin.getShangxiaTypes())
.eq("nongchanpin_delete", nongchanpin.getNongchanpinDelete())
// .notIn("nongchanpin_types", new Integer[]{102})
;
logger.info("sql语句:"+queryWrapper.getSqlSegment());
NongchanpinEntity nongchanpinEntity = nongchanpinService.selectOne(queryWrapper);
if(nongchanpinEntity==null){
nongchanpin.setNongchanpinClicknum(1);
nongchanpin.setNongchanpinDelete(1);
nongchanpin.setCreateTime(new Date());
nongchanpinService.insert(nongchanpin);
return R.ok();
}else {
return R.error(511,"表中有相同数据");
}
}
}
7.2 农产品ServiceImpl
package com.service.impl;
/**
* 农产品 服务实现类
*/
@Service("nongchanpinService")
@Transactional
public class NongchanpinServiceImpl extends ServiceImpl<NongchanpinDao, NongchanpinEntity> implements NongchanpinService {
@Override
public PageUtils queryPage(Map<String,Object> params) {
Page<NongchanpinView> page =new Query<NongchanpinView>(params).getPage();
page.setRecords(baseMapper.selectListView(page,params));
return new PageUtils(page);
}
}
7.3 农产品Service
package com.service;
import com.baomidou.mybatisplus.service.IService;
import com.utils.PageUtils;
import com.entity.NongchanpinEntity;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.lang.Nullable;
import java.util.List;
/**
* 农产品 服务类
*/
public interface NongchanpinService extends IService<NongchanpinEntity> {
/**
* @param params 查询参数
* @return 带分页的查询出来的数据
*/
PageUtils queryPage(Map<String, Object> params);
}7.4 农产品DAO
package com.dao;
import com.entity.NongchanpinEntity;
import com.baomidou.mybatisplus.mapper.BaseMapper;
import java.util.List;
import java.util.Map;
import com.baomidou.mybatisplus.plugins.pagination.Pagination;
import org.apache.ibatis.annotations.Param;
import com.entity.view.NongchanpinView;
/**
* 农产品 Dao 接口
*
* @author
*/
public interface NongchanpinDao extends BaseMapper<NongchanpinEntity> {
List<NongchanpinView> selectListView(Pagination page,@Param("params")Map<String,Object> params);
}
8.参考文档
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