博主介紹：?從事軟件開發(fā)10年之余，專注于Java技術(shù)領(lǐng)域、Python人工智能及數(shù)據(jù)挖掘、小程序項(xiàng)目開發(fā)和Android項(xiàng)目開發(fā)等。CSDN、掘金、華為云、InfoQ、阿里云等平臺(tái)優(yōu)質(zhì)作者?
??文末獲取源碼聯(lián)系??
???? 精彩專欄推薦訂閱???? 不然下次找不到喲
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計(jì)算機(jī)畢業(yè)設(shè)計(jì)《1000套》?

目錄

1、項(xiàng)目介紹及開發(fā)技術(shù)

1.1 項(xiàng)目介紹

1.2 開發(fā)技術(shù)

2、系統(tǒng)功能設(shè)計(jì)結(jié)構(gòu)圖

3、功能截圖

4、數(shù)據(jù)庫表結(jié)構(gòu)設(shè)計(jì)

5、關(guān)鍵代碼

5.1 閑置物品Controller模塊?

5.2 閑置物品Service模塊?

5.3 閑置物品ServiceImpl模塊

5.4?閑置物品Dao模塊

6、論文目錄結(jié)構(gòu)

7、源碼獲取

1、項(xiàng)目介紹及開發(fā)技術(shù)

1.1 項(xiàng)目介紹

傳統(tǒng)辦法管理信息首先需要花費(fèi)的時(shí)間比較多，其次數(shù)據(jù)出錯(cuò)率比較高，而且對(duì)錯(cuò)誤的數(shù)據(jù)進(jìn)行更改也比較困難，最后，檢索數(shù)據(jù)費(fèi)事費(fèi)力。因此，在計(jì)算機(jī)上安裝校園閑置物品交易系統(tǒng)軟件來發(fā)揮其高效地信息處理的作用，可以規(guī)范信息管理流程，讓管理工作可以系統(tǒng)化和程序化，同時(shí)，校園閑置物品交易系統(tǒng)的有效運(yùn)用可以幫助管理人員準(zhǔn)確快速地處理信息。

校園閑置物品交易系統(tǒng)在對(duì)開發(fā)工具的選擇上也很慎重，為了便于開發(fā)實(shí)現(xiàn)，選擇的開發(fā)工具為Eclipse，選擇的數(shù)據(jù)庫工具為Mysql。以此搭建開發(fā)環(huán)境實(shí)現(xiàn)校園閑置物品交易系統(tǒng)的功能。其中管理員管理用戶，新聞資訊。

校園閑置物品交易系統(tǒng)是一款運(yùn)用軟件開發(fā)技術(shù)設(shè)計(jì)實(shí)現(xiàn)的應(yīng)用系統(tǒng)，在信息處理上可以達(dá)到快速的目的，不管是針對(duì)數(shù)據(jù)添加，數(shù)據(jù)維護(hù)和統(tǒng)計(jì)，以及數(shù)據(jù)查詢等處理要求，校園閑置物品交易系統(tǒng)都可以輕松應(yīng)對(duì)。

1.2 開發(fā)技術(shù)

Java開發(fā)語言、SpringBoot、MyBatisPlus、MySQL數(shù)據(jù)庫、Maven、IDEA開發(fā)工具、JDK1.8+、Vue、HTML、CSS、JS。

2、系統(tǒng)功能設(shè)計(jì)結(jié)構(gòu)圖

3、功能截圖

用戶信息管理：用戶信息的查詢管理，可以刪除用戶信息、修改用戶信息、新增用戶信息，還進(jìn)行了對(duì)用戶名稱的模糊查詢的條件。

?閑置物品管理：查看已發(fā)布的閑置物品數(shù)據(jù)，修改閑置物品，閑置物品作廢，即可刪除，還進(jìn)行了對(duì)閑置物品名稱的模糊查詢 閑置物品信息的類型查詢等等一些條件。

資訊類型管理：?根據(jù)資訊類型進(jìn)行條件查詢，還可以對(duì)資訊類型進(jìn)行新增、修改、查詢操作等等。

資訊信息管理：?根據(jù)資訊信息進(jìn)行新增、修改、查詢操作等等。

4、數(shù)據(jù)庫表結(jié)構(gòu)設(shè)計(jì)

/*
SQLyog Ultimate v11.3 (64 bit)
MySQL - 5.7.32-log : Database - xiaoyuanxianzhiwupinjiaoyi
*********************************************************************
*/


/*!40101 SET NAMES utf8 */;

/*!40101 SET SQL_MODE=''*/;

/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
CREATE DATABASE /*!32312 IF NOT EXISTS*/`xiaoyuanxianzhiwupinjiaoyi` /*!40100 DEFAULT CHARACTER SET utf8 */;

USE `xiaoyuanxianzhiwupinjiaoyi`;

/*Table structure for table `address` */

DROP TABLE IF EXISTS `address`;

CREATE TABLE `address` (
  `id` int(20) NOT NULL AUTO_INCREMENT COMMENT '主鍵 ',
  `yonghu_id` int(20) NOT NULL COMMENT '創(chuàng)建用戶',
  `address_name` varchar(200) NOT NULL COMMENT '收貨人 ',
  `address_phone` varchar(200) NOT NULL COMMENT '電話 ',
  `address_dizhi` varchar(200) NOT NULL COMMENT '地址 ',
  `isdefault_types` int(11) NOT NULL COMMENT '是否默認(rèn)地址 ',
  `insert_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '添加時(shí)間',
  `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改時(shí)間',
  `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '創(chuàng)建時(shí)間 show3',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8 COMMENT='收貨地址';

/*Data for the table `address` */

insert  into `address`(`id`,`yonghu_id`,`address_name`,`address_phone`,`address_dizhi`,`isdefault_types`,`insert_time`,`update_time`,`create_time`) values (1,3,'收貨人1','17703786901','地址1',1,'2023-02-18 14:14:35','2023-02-18 14:14:35','2023-02-18 14:14:35'),(2,2,'收貨人2','17703786902','地址2',1,'2023-02-18 14:14:35','2023-02-18 14:14:35','2023-02-18 14:14:35'),(3,1,'收貨人3','17703786903','地址3',2,'2023-02-18 14:14:35','2023-02-18 14:54:56','2023-02-18 14:14:35'),(4,1,'收貨人4','17703786904','地址4',1,'2023-02-18 14:14:35','2023-02-18 14:14:35','2023-02-18 14:14:35'),(5,1,'收貨人5','17703786905','地址5',1,'2023-02-18 14:14:35','2023-02-18 14:54:49','2023-02-18 14:14:35');

/*Table structure for table `cart` */

DROP TABLE IF EXISTS `cart`;

CREATE TABLE `cart` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主鍵',
  `yonghu_id` int(11) DEFAULT NULL COMMENT '所屬用戶',
  `shangpin_id` int(11) DEFAULT NULL COMMENT '閑置物品',
  `buy_number` int(11) DEFAULT NULL COMMENT '購買數(shù)量',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '添加時(shí)間',
  `update_time` timestamp NULL DEFAULT NULL COMMENT '更新時(shí)間',
  `insert_time` timestamp NULL DEFAULT NULL COMMENT '創(chuàng)建時(shí)間',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='購物車';

/*Data for the table `cart` */

/*Table structure for table `config` */

DROP TABLE IF EXISTS `config`;

CREATE TABLE `config` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主鍵',
  `name` varchar(100) NOT NULL COMMENT '配置參數(shù)名稱',
  `value` varchar(100) DEFAULT NULL COMMENT '配置參數(shù)值',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='配置文件';

/*Data for the table `config` */

insert  into `config`(`id`,`name`,`value`) values (1,'輪播圖1','upload/config1.jpg'),(2,'輪播圖2','upload/config2.jpg'),(3,'輪播圖3','upload/config3.jpg');

/*Table structure for table `dictionary` */

DROP TABLE IF EXISTS `dictionary`;

CREATE TABLE `dictionary` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主鍵',
  `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 '編碼',
  `index_name` varchar(200) DEFAULT NULL COMMENT '編碼名字  Search111 ',
  `super_id` int(11) DEFAULT NULL COMMENT '父字段id',
  `beizhu` varchar(200) DEFAULT NULL COMMENT '備注',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '創(chuàng)建時(shí)間',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=30 DEFAULT CHARSET=utf8 COMMENT='字典';

/*Data for the table `dictionary` */

insert  into `dictionary`(`id`,`dic_code`,`dic_name`,`code_index`,`index_name`,`super_id`,`beizhu`,`create_time`) values (7,'shangpin_types','閑置物品類型',1,'閑置物品類型1',NULL,NULL,'2023-02-18 14:13:19'),(8,'shangpin_types','閑置物品類型',2,'閑置物品類型2',NULL,NULL,'2023-02-18 14:13:19'),(9,'shangxia_types','是否上架',1,'上架',NULL,NULL,'2023-02-18 14:13:19'),(10,'shangxia_types','是否上架',2,'下架',NULL,NULL,'2023-02-18 14:13:19'),(11,'shangjia_xingji_types','商家信用類型',1,'一級(jí)',NULL,NULL,'2023-02-18 14:13:19'),(12,'shangjia_xingji_types','商家信用類型',2,'二級(jí)',NULL,NULL,'2023-02-18 14:13:19'),(13,'shangjia_xingji_types','商家信用類型',3,'三級(jí)',NULL,NULL,'2023-02-18 14:13:19'),(18,'isdefault_types','是否默認(rèn)地址',1,'否',NULL,NULL,'2023-02-18 14:13:19'),(19,'isdefault_types','是否默認(rèn)地址',2,'是',NULL,NULL,'2023-02-18 14:13:19'),(20,'shangpin_order_types','訂單類型',1,'已支付',NULL,NULL,'2023-02-18 14:13:19'),(21,'shangpin_order_types','訂單類型',2,'退款',NULL,NULL,'2023-02-18 14:13:19'),(22,'shangpin_order_types','訂單類型',3,'已發(fā)貨',NULL,NULL,'2023-02-18 14:13:19'),(23,'shangpin_order_types','訂單類型',4,'已收貨',NULL,NULL,'2023-02-18 14:13:19'),(24,'shangpin_order_types','訂單類型',5,'已評(píng)價(jià)',NULL,NULL,'2023-02-18 14:13:19'),(25,'shangpin_order_payment_types','訂單支付類型',1,'現(xiàn)金',NULL,NULL,'2023-02-18 14:13:19'),(26,'news_types','資訊類型',1,'資訊類型1',NULL,NULL,'2023-02-18 14:13:19'),(27,'news_types','資訊類型',2,'資訊類型2',NULL,NULL,'2023-02-18 14:13:19'),(28,'sex_types','性別類型',1,'男',NULL,NULL,'2023-02-18 14:13:19'),(29,'sex_types','性別類型',2,'女',NULL,NULL,'2023-02-18 14:13:19');

/*Table structure for table `news` */

DROP TABLE IF EXISTS `news`;

CREATE TABLE `news` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主鍵',
  `news_name` varchar(200) DEFAULT NULL COMMENT '公告標(biāo)題  Search111 ',
  `news_types` int(11) DEFAULT NULL COMMENT '公告類型  Search111 ',
  `news_photo` varchar(200) DEFAULT NULL COMMENT '公告圖片',
  `insert_time` timestamp NULL DEFAULT NULL COMMENT '添加時(shí)間',
  `news_content` text COMMENT '公告詳情',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '創(chuàng)建時(shí)間 show1 show2 nameShow',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8 COMMENT='公告信息';

/*Data for the table `news` */

insert  into `news`(`id`,`news_name`,`news_types`,`news_photo`,`insert_time`,`news_content`,`create_time`) values (1,'公告標(biāo)題1',1,'upload/news1.jpg','2023-02-18 14:14:35','公告詳情1','2023-02-18 14:14:35'),(2,'公告標(biāo)題2',1,'upload/news2.jpg','2023-02-18 14:14:35','公告詳情2','2023-02-18 14:14:35'),(3,'公告標(biāo)題3',1,'upload/news3.jpg','2023-02-18 14:14:35','公告詳情3','2023-02-18 14:14:35'),(4,'公告標(biāo)題4',1,'upload/news4.jpg','2023-02-18 14:14:35','公告詳情4','2023-02-18 14:14:35'),(5,'公告標(biāo)題5',2,'upload/news5.jpg','2023-02-18 14:14:35','公告詳情5','2023-02-18 14:14:35');

/*Table structure for table `shangjia` */

DROP TABLE IF EXISTS `shangjia`;

CREATE TABLE `shangjia` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主鍵 ',
  `username` varchar(200) DEFAULT NULL COMMENT '賬戶 ',
  `password` varchar(200) DEFAULT NULL COMMENT '密碼 ',
  `shangjia_name` varchar(200) DEFAULT NULL COMMENT '商家名稱 Search111 ',
  `shangjia_phone` varchar(200) DEFAULT NULL COMMENT '聯(lián)系方式',
  `shangjia_email` varchar(200) DEFAULT NULL COMMENT '郵箱',
  `shangjia_photo` varchar(200) DEFAULT NULL COMMENT '營業(yè)執(zhí)照展示 ',
  `shangjia_xingji_types` int(11) DEFAULT NULL COMMENT '商家信用類型',
  `new_money` decimal(10,2) DEFAULT NULL COMMENT '現(xiàn)有余額',
  `shangjia_content` text COMMENT '商家簡介 ',
  `shangjia_delete` int(11) DEFAULT NULL COMMENT '邏輯刪除',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '創(chuàng)建時(shí)間 show1 show2 photoShow ',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='商家';

/*Data for the table `shangjia` */

insert  into `shangjia`(`id`,`username`,`password`,`shangjia_name`,`shangjia_phone`,`shangjia_email`,`shangjia_photo`,`shangjia_xingji_types`,`new_money`,`shangjia_content`,`shangjia_delete`,`create_time`) values (1,'a1','123456','商家名稱1','17703786901','1@qq.com','upload/shangjia1.jpg',2,'504.72','商家簡介1',1,'2023-02-18 14:14:35'),(2,'a2','123456','商家名稱2','17703786902','2@qq.com','upload/shangjia2.jpg',2,'931.45','商家簡介2',1,'2023-02-18 14:14:35'),(3,'a3','123456','商家名稱3','17703786903','3@qq.com','upload/shangjia3.jpg',1,'840.99','商家簡介3',1,'2023-02-18 14:14:35');

/*Table structure for table `shangpin` */

DROP TABLE IF EXISTS `shangpin`;

CREATE TABLE `shangpin` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主鍵 ',
  `shangjia_id` int(11) DEFAULT NULL COMMENT '商家',
  `shangpin_name` varchar(200) DEFAULT NULL COMMENT '閑置物品名稱 Search111',
  `shangpin_photo` varchar(200) DEFAULT NULL COMMENT '閑置物品照片',
  `shangpin_types` int(11) DEFAULT NULL COMMENT '閑置物品類型 Search111',
  `shangpin_kucun_number` int(11) DEFAULT NULL COMMENT '閑置物品庫存',
  `shangpin_old_money` decimal(10,2) DEFAULT NULL COMMENT '原價(jià) ',
  `shangpin_new_money` decimal(10,2) DEFAULT NULL COMMENT '現(xiàn)價(jià)',
  `shangpin_clicknum` int(11) DEFAULT NULL COMMENT '點(diǎn)擊次數(shù) ',
  `shangxia_types` int(11) DEFAULT NULL COMMENT '是否上架 ',
  `shangpin_delete` int(11) DEFAULT NULL COMMENT '邏輯刪除',
  `shangpin_content` text COMMENT '閑置物品簡介 ',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '創(chuàng)建時(shí)間  show1 show2 photoShow homeMain',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8 COMMENT='閑置物品';

/*Data for the table `shangpin` */

insert  into `shangpin`(`id`,`shangjia_id`,`shangpin_name`,`shangpin_photo`,`shangpin_types`,`shangpin_kucun_number`,`shangpin_old_money`,`shangpin_new_money`,`shangpin_clicknum`,`shangxia_types`,`shangpin_delete`,`shangpin_content`,`create_time`) values (1,1,'閑置物品名稱1','upload/shangpin1.jpg',2,101,'830.43','420.05',111,1,1,'閑置物品簡介1','2023-02-18 14:14:35'),(2,2,'閑置物品名稱2','upload/shangpin2.jpg',2,101,'941.09','277.58',170,1,1,'閑置物品簡介2','2023-02-18 14:14:35'),(3,2,'閑置物品名稱3','upload/shangpin3.jpg',1,103,'893.64','367.77',426,1,1,'閑置物品簡介3','2023-02-18 14:14:35'),(4,3,'閑置物品名稱4','upload/shangpin4.jpg',1,103,'893.37','444.53',270,1,1,'閑置物品簡介4','2023-02-18 14:14:35'),(5,2,'閑置物品名稱5','upload/shangpin5.jpg',2,105,'849.38','327.02',360,2,1,'閑置物品簡介5','2023-02-18 14:14:35');

/*Table structure for table `shangpin_commentback` */

DROP TABLE IF EXISTS `shangpin_commentback`;

CREATE TABLE `shangpin_commentback` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主鍵',
  `shangpin_id` int(11) DEFAULT NULL COMMENT '閑置物品',
  `yonghu_id` int(11) DEFAULT NULL COMMENT '用戶',
  `shangpin_commentback_text` text COMMENT '評(píng)論內(nèi)容',
  `insert_time` timestamp NULL DEFAULT NULL COMMENT '評(píng)論時(shí)間',
  `reply_text` text COMMENT '回復(fù)內(nèi)容',
  `update_time` timestamp NULL DEFAULT NULL COMMENT '回復(fù)時(shí)間',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '創(chuàng)建時(shí)間',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8 COMMENT='閑置物品評(píng)論';

/*Data for the table `shangpin_commentback` */

insert  into `shangpin_commentback`(`id`,`shangpin_id`,`yonghu_id`,`shangpin_commentback_text`,`insert_time`,`reply_text`,`update_time`,`create_time`) values (1,1,1,'評(píng)論內(nèi)容1','2023-02-18 14:14:35','回復(fù)信息1','2023-02-18 14:14:35','2023-02-18 14:14:35'),(2,2,2,'評(píng)論內(nèi)容2','2023-02-18 14:14:35','回復(fù)信息2','2023-02-18 14:14:35','2023-02-18 14:14:35'),(3,3,2,'評(píng)論內(nèi)容3','2023-02-18 14:14:35','回復(fù)信息3','2023-02-18 14:14:35','2023-02-18 14:14:35'),(4,4,2,'評(píng)論內(nèi)容4','2023-02-18 14:14:35','回復(fù)信息4','2023-02-18 14:14:35','2023-02-18 14:14:35'),(5,5,3,'評(píng)論內(nèi)容5','2023-02-18 14:14:35','回復(fù)信息5','2023-02-18 14:14:35','2023-02-18 14:14:35'),(8,2,1,'購買完成可評(píng)論111','2023-02-18 14:56:51',NULL,NULL,'2023-02-18 14:56:51');

/*Table structure for table `shangpin_order` */

DROP TABLE IF EXISTS `shangpin_order`;

CREATE TABLE `shangpin_order` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主鍵',
  `shangpin_order_uuid_number` varchar(200) DEFAULT NULL COMMENT '訂單號(hào)',
  `address_id` int(11) DEFAULT NULL COMMENT '收貨地址 ',
  `shangpin_id` int(11) DEFAULT NULL COMMENT '閑置物品',
  `yonghu_id` int(11) DEFAULT NULL COMMENT '用戶',
  `buy_number` int(11) DEFAULT NULL COMMENT '購買數(shù)量',
  `shangpin_order_true_price` decimal(10,2) DEFAULT NULL COMMENT '實(shí)付價(jià)格',
  `shangpin_order_types` int(11) DEFAULT NULL COMMENT '訂單類型 Search111',
  `shangpin_order_payment_types` int(11) DEFAULT NULL COMMENT '支付類型',
  `insert_time` timestamp NULL DEFAULT NULL COMMENT '訂單創(chuàng)建時(shí)間',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '創(chuàng)建時(shí)間 show3',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=utf8 COMMENT='閑置物品訂單';

/*Data for the table `shangpin_order` */

insert  into `shangpin_order`(`id`,`shangpin_order_uuid_number`,`address_id`,`shangpin_id`,`yonghu_id`,`buy_number`,`shangpin_order_true_price`,`shangpin_order_types`,`shangpin_order_payment_types`,`insert_time`,`create_time`) values (10,'1676703316536',3,4,1,1,'444.53',1,1,'2023-02-18 14:55:17','2023-02-18 14:55:17'),(11,'1676703316536',3,2,1,1,'277.58',5,1,'2023-03-18 14:55:17','2023-02-18 14:55:17'),(12,'1676703316536',3,3,1,1,'367.77',2,1,'2023-02-18 14:55:17','2023-02-18 14:55:17');

/*Table structure for table `token` */

DROP TABLE IF EXISTS `token`;

CREATE TABLE `token` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主鍵',
  `userid` bigint(20) NOT NULL COMMENT '用戶id',
  `username` varchar(100) NOT NULL COMMENT '用戶名',
  `tablename` varchar(100) DEFAULT NULL COMMENT '表名',
  `role` varchar(100) DEFAULT NULL COMMENT '角色',
  `token` varchar(200) NOT NULL COMMENT '密碼',
  `addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '新增時(shí)間',
  `expiratedtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '過期時(shí)間',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=8 DEFAULT CHARSET=utf8 COMMENT='token表';

/*Data for the table `token` */

insert  into `token`(`id`,`userid`,`username`,`tablename`,`role`,`token`,`addtime`,`expiratedtime`) values (4,1,'a1','yonghu','用戶','z4rryx9sym073tz153ngrzjkpyp9a5p5','2023-02-18 14:39:07','2023-02-18 15:54:05'),(5,1,'a1','shangjia','商家','hdvc2f32jhooiy1iiewp0t4he51x9rt1','2023-02-18 14:55:32','2023-02-18 15:55:32'),(6,2,'a2','shangjia','商家','5mzf4bu69maupgpmo2r6izz324tvetqi','2023-02-18 14:55:46','2023-02-18 15:55:46'),(7,1,'admin','users','管理員','mjz54vcqra54yhrozwl6095jozm14jcx','2023-02-18 14:56:05','2023-02-18 16:00:12');

/*Table structure for table `users` */

DROP TABLE IF EXISTS `users`;

CREATE TABLE `users` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主鍵',
  `username` varchar(100) NOT NULL COMMENT '用戶名',
  `password` varchar(100) NOT NULL COMMENT '密碼',
  `role` varchar(100) DEFAULT '管理員' COMMENT '角色',
  `addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '新增時(shí)間',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT='管理員';

/*Data for the table `users` */

insert  into `users`(`id`,`username`,`password`,`role`,`addtime`) values (1,'admin','admin','管理員','2023-02-18 14:13:20');

/*Table structure for table `yonghu` */

DROP TABLE IF EXISTS `yonghu`;

CREATE TABLE `yonghu` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主鍵',
  `username` varchar(200) DEFAULT NULL COMMENT '賬戶',
  `password` varchar(200) DEFAULT NULL COMMENT '密碼',
  `yonghu_name` varchar(200) DEFAULT NULL COMMENT '用戶姓名 Search111 ',
  `yonghu_phone` varchar(200) DEFAULT NULL COMMENT '聯(lián)系方式',
  `yonghu_id_number` varchar(200) DEFAULT NULL COMMENT '身份證號(hào)',
  `yonghu_photo` varchar(200) DEFAULT NULL COMMENT '用戶頭像',
  `sex_types` int(11) DEFAULT NULL COMMENT '性別',
  `yonghu_email` varchar(200) DEFAULT NULL COMMENT '電子郵箱',
  `new_money` decimal(10,2) DEFAULT NULL COMMENT '余額 ',
  `create_time` timestamp NULL DEFAULT NULL COMMENT '創(chuàng)建時(shí)間',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='用戶';

/*Data for the table `yonghu` */

insert  into `yonghu`(`id`,`username`,`password`,`yonghu_name`,`yonghu_phone`,`yonghu_id_number`,`yonghu_photo`,`sex_types`,`yonghu_email`,`new_money`,`create_time`) values (1,'a1','123456','用戶姓名1','17703786901','410224199010102001','upload/yonghu1.jpg',2,'1@qq.com','99388.21','2023-02-18 14:14:35'),(2,'a2','123456','用戶姓名2','17703786902','410224199010102002','upload/yonghu2.jpg',2,'2@qq.com','110.32','2023-02-18 14:14:35'),(3,'a3','123456','用戶姓名3','17703786903','410224199010102003','upload/yonghu3.jpg',1,'3@qq.com','271.95','2023-02-18 14:14:35');

/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;

5、關(guān)鍵代碼

5.1 閑置物品Controller模塊?

/**
 * 閑置物品
 * 后端接口
 * @author 學(xué)長編程
 * @email
 * WeChat jsjbysj88
*/
@RestController
@Controller
@RequestMapping("/shangpin")
public class ShangpinController {
    private static final Logger logger = LoggerFactory.getLogger(ShangpinController.class);

    private static final String TABLE_NAME = "shangpin";

    @Autowired
    private ShangpinService shangpinService;

    @Autowired
    private TokenService tokenService;
    @Autowired
    private DictionaryService dictionaryService;

    @Autowired
    private ShangpinOrderService shangpinOrderService;
    //級(jí)聯(lián)表非注冊的service
    //注冊表service
    @Autowired
    private YonghuService yonghuService;
    @Autowired
    private ShangjiaService shangjiaService;


    /**
    * 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,"永不會(huì)進(jìn)入");
        else if("用戶".equals(role))
            params.put("yonghuId",request.getSession().getAttribute("userId"));
        else if("商家".equals(role))
            params.put("shangjiaId",request.getSession().getAttribute("userId"));
        params.put("shangpinDeleteStart",1);params.put("shangpinDeleteEnd",1);
        CommonUtil.checkMap(params);
        PageUtils page = shangpinService.queryPage(params);

        //字典表數(shù)據(jù)轉(zhuǎn)換
        List<ShangpinView> list =(List<ShangpinView>)page.getList();
        for(ShangpinView c:list){
            //修改對(duì)應(yīng)字典表字段
            dictionaryService.dictionaryConvert(c, request);
        }
        return R.ok().put("data", page);
    }

    /**
    * 后端詳情
    */
    @RequestMapping("/info/{id}")
    public R info(@PathVariable("id") Long id, HttpServletRequest request){
        logger.debug("info方法:,,Controller:{},,id:{}",this.getClass().getName(),id);
        ShangpinEntity shangpin = shangpinService.selectById(id);
        if(shangpin !=null){
            //entity轉(zhuǎn)view
            ShangpinView view = new ShangpinView();
            BeanUtils.copyProperties( shangpin , view );//把實(shí)體數(shù)據(jù)重構(gòu)到view中
            //級(jí)聯(lián)表 商家
            //級(jí)聯(lián)表
            ShangjiaEntity shangjia = shangjiaService.selectById(shangpin.getShangjiaId());
            if(shangjia != null){
            BeanUtils.copyProperties( shangjia , view ,new String[]{ "id", "createTime", "insertTime", "updateTime", "shangjiaId"});//把級(jí)聯(lián)的數(shù)據(jù)添加到view中,并排除id和創(chuàng)建時(shí)間字段,當(dāng)前表的級(jí)聯(lián)注冊表
            view.setShangjiaId(shangjia.getId());
            }
            //修改對(duì)應(yīng)字典表字段
            dictionaryService.dictionaryConvert(view, request);
            return R.ok().put("data", view);
        }else {
            return R.error(511,"查不到數(shù)據(jù)");
        }

    }

    /**
    * 后端保存
    */
    @RequestMapping("/save")
    public R save(@RequestBody ShangpinEntity shangpin, HttpServletRequest request){
        logger.debug("save方法:,,Controller:{},,shangpin:{}",this.getClass().getName(),shangpin.toString());

        String role = String.valueOf(request.getSession().getAttribute("role"));
        if(false)
            return R.error(511,"永遠(yuǎn)不會(huì)進(jìn)入");
        else if("商家".equals(role))
            shangpin.setShangjiaId(Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId"))));

        Wrapper<ShangpinEntity> queryWrapper = new EntityWrapper<ShangpinEntity>()
            .eq("shangjia_id", shangpin.getShangjiaId())
            .eq("shangpin_name", shangpin.getShangpinName())
            .eq("shangpin_types", shangpin.getShangpinTypes())
            .eq("shangpin_kucun_number", shangpin.getShangpinKucunNumber())
            .eq("shangpin_clicknum", shangpin.getShangpinClicknum())
            .eq("shangxia_types", shangpin.getShangxiaTypes())
            .eq("shangpin_delete", shangpin.getShangpinDelete())
            ;

        logger.info("sql語句:"+queryWrapper.getSqlSegment());
        ShangpinEntity shangpinEntity = shangpinService.selectOne(queryWrapper);
        if(shangpinEntity==null){
            shangpin.setShangpinClicknum(1);
            shangpin.setShangxiaTypes(1);
            shangpin.setShangpinDelete(1);
            shangpin.setCreateTime(new Date());
            shangpinService.insert(shangpin);
            return R.ok();
        }else {
            return R.error(511,"表中有相同數(shù)據(jù)");
        }
    }

    /**
    * 后端修改
    */
    @RequestMapping("/update")
    public R update(@RequestBody ShangpinEntity shangpin, HttpServletRequest request) throws NoSuchFieldException, ClassNotFoundException, IllegalAccessException, InstantiationException {
        logger.debug("update方法:,,Controller:{},,shangpin:{}",this.getClass().getName(),shangpin.toString());
        ShangpinEntity oldShangpinEntity = shangpinService.selectById(shangpin.getId());//查詢原先數(shù)據(jù)

        String role = String.valueOf(request.getSession().getAttribute("role"));
//        if(false)
//            return R.error(511,"永遠(yuǎn)不會(huì)進(jìn)入");
//        else if("商家".equals(role))
//            shangpin.setShangjiaId(Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId"))));
        //根據(jù)字段查詢是否有相同數(shù)據(jù)
        Wrapper<ShangpinEntity> queryWrapper = new EntityWrapper<ShangpinEntity>()
            .notIn("id",shangpin.getId())
            .andNew()
            .eq("shangjia_id", shangpin.getShangjiaId())
            .eq("shangpin_name", shangpin.getShangpinName())
            .eq("shangpin_types", shangpin.getShangpinTypes())
            .eq("shangpin_kucun_number", shangpin.getShangpinKucunNumber())
            .eq("shangpin_clicknum", shangpin.getShangpinClicknum())
            .eq("shangxia_types", shangpin.getShangxiaTypes())
            .eq("shangpin_delete", shangpin.getShangpinDelete())
            ;

        logger.info("sql語句:"+queryWrapper.getSqlSegment());
        ShangpinEntity shangpinEntity = shangpinService.selectOne(queryWrapper);
        if("".equals(shangpin.getShangpinPhoto()) || "null".equals(shangpin.getShangpinPhoto())){
                shangpin.setShangpinPhoto(null);
        }
        if(shangpinEntity==null){
            shangpinService.updateById(shangpin);//根據(jù)id更新
            return R.ok();
        }else {
            return R.error(511,"表中有相同數(shù)據(jù)");
        }
    }


    /**
    * 刪除
    */
    @RequestMapping("/delete")
    public R delete(@RequestBody Integer[] ids, HttpServletRequest request){
        logger.debug("delete:,,Controller:{},,ids:{}",this.getClass().getName(),ids.toString());
        List<ShangpinEntity> oldShangpinList =shangpinService.selectBatchIds(Arrays.asList(ids));//要?jiǎng)h除的數(shù)據(jù)
        ArrayList<ShangpinEntity> list = new ArrayList<>();
        for(Integer id:ids){
            ShangpinEntity shangpinEntity = new ShangpinEntity();
            shangpinEntity.setId(id);
            shangpinEntity.setShangpinDelete(2);
            list.add(shangpinEntity);
        }
        if(list != null && list.size() >0){
            shangpinService.updateBatchById(list);
        }

        return R.ok();
    }


    /**
     * 批量上傳
     */
    @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");
        try {
            List<ShangpinEntity> shangpinList = new ArrayList<>();//上傳的東西
            Map<String, List<String>> seachFields= new HashMap<>();//要查詢的字段
            Date date = new Date();
            int lastIndexOf = fileName.lastIndexOf(".");
            if(lastIndexOf == -1){
                return R.error(511,"該文件沒有后綴");
            }else{
                String suffix = fileName.substring(lastIndexOf);
                if(!".xls".equals(suffix)){
                    return R.error(511,"只支持后綴為xls的excel文件");
                }else{
                    URL resource = this.getClass().getClassLoader().getResource("static/upload/" + fileName);//獲取文件路徑
                    File file = new File(resource.getFile());
                    if(!file.exists()){
                        return R.error(511,"找不到上傳文件，請(qǐng)聯(lián)系管理員");
                    }else{
                        List<List<String>> dataList = PoiUtil.poiImport(file.getPath());//讀取xls文件
                        dataList.remove(0);//刪除第一行，因?yàn)榈谝恍惺翘崾?                        for(List<String> data:dataList){
                            //循環(huán)
                            ShangpinEntity shangpinEntity = new ShangpinEntity();
//                            shangpinEntity.setShangjiaId(Integer.valueOf(data.get(0)));   //商家 要改的
//                            shangpinEntity.setShangpinName(data.get(0));                    //閑置物品名稱 要改的
//                            shangpinEntity.setShangpinPhoto("");//詳情和圖片
//                            shangpinEntity.setShangpinTypes(Integer.valueOf(data.get(0)));   //閑置物品類型 要改的
//                            shangpinEntity.setShangpinKucunNumber(Integer.valueOf(data.get(0)));   //閑置物品庫存 要改的
//                            shangpinEntity.setShangpinOldMoney(data.get(0));                    //原價(jià) 要改的
//                            shangpinEntity.setShangpinNewMoney(data.get(0));                    //現(xiàn)價(jià) 要改的
//                            shangpinEntity.setShangpinClicknum(Integer.valueOf(data.get(0)));   //點(diǎn)擊次數(shù) 要改的
//                            shangpinEntity.setShangxiaTypes(Integer.valueOf(data.get(0)));   //是否上架 要改的
//                            shangpinEntity.setShangpinDelete(1);//邏輯刪除字段
//                            shangpinEntity.setShangpinContent("");//詳情和圖片
//                            shangpinEntity.setCreateTime(date);//時(shí)間
                            shangpinList.add(shangpinEntity);


                            //把要查詢是否重復(fù)的字段放入map中
                        }

                        //查詢是否重復(fù)
                        shangpinService.insertBatch(shangpinList);
                        return R.ok();
                    }
                }
            }
        }catch (Exception e){
            e.printStackTrace();
            return R.error(511,"批量插入數(shù)據(jù)異常，請(qǐng)聯(lián)系管理員");
        }
    }


    /**
    * 個(gè)性推薦
    */
    @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<ShangpinView> returnShangpinViewList = new ArrayList<>();

        //查詢訂單
        Map<String, Object> params1 = new HashMap<>(params);params1.put("sort","id");params1.put("yonghuId",request.getSession().getAttribute("userId"));
        PageUtils pageUtils = shangpinOrderService.queryPage(params1);
        List<ShangpinOrderView> orderViewsList =(List<ShangpinOrderView>)pageUtils.getList();
        Map<Integer,Integer> typeMap=new HashMap<>();//購買的類型list
        for(ShangpinOrderView orderView:orderViewsList){
            Integer shangpinTypes = orderView.getShangpinTypes();
            if(typeMap.containsKey(shangpinTypes)){
                typeMap.put(shangpinTypes,typeMap.get(shangpinTypes)+1);
            }else{
                typeMap.put(shangpinTypes,1);
            }
        }
        List<Integer> typeList = new ArrayList<>();//排序后的有序的類型 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("shangpinTypes",type);
            PageUtils pageUtils1 = shangpinService.queryPage(params2);
            List<ShangpinView> shangpinViewList =(List<ShangpinView>)pageUtils1.getList();
            returnShangpinViewList.addAll(shangpinViewList);
            if(returnShangpinViewList.size()>= limit) break;//返回的推薦數(shù)量大于要的數(shù)量 跳出循環(huán)
        }
        //正常查詢出來商品,用于補(bǔ)全推薦缺少的數(shù)據(jù)
        PageUtils page = shangpinService.queryPage(params);
        if(returnShangpinViewList.size()<limit){//返回?cái)?shù)量還是小于要求數(shù)量
            int toAddNum = limit - returnShangpinViewList.size();//要添加的數(shù)量
            List<ShangpinView> shangpinViewList =(List<ShangpinView>)page.getList();
            for(ShangpinView shangpinView:shangpinViewList){
                Boolean addFlag = true;
                for(ShangpinView returnShangpinView:returnShangpinViewList){
                    if(returnShangpinView.getId().intValue() ==shangpinView.getId().intValue()) addFlag=false;//返回的數(shù)據(jù)中已存在此商品
                }
                if(addFlag){
                    toAddNum=toAddNum-1;
                    returnShangpinViewList.add(shangpinView);
                    if(toAddNum==0) break;//夠數(shù)量了
                }
            }
        }else {
            returnShangpinViewList = returnShangpinViewList.subList(0, limit);
        }

        for(ShangpinView c:returnShangpinViewList)
            dictionaryService.dictionaryConvert(c, request);
        page.setList(returnShangpinViewList);
        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 = shangpinService.queryPage(params);

        //字典表數(shù)據(jù)轉(zhuǎn)換
        List<ShangpinView> list =(List<ShangpinView>)page.getList();
        for(ShangpinView c:list)
            dictionaryService.dictionaryConvert(c, request); //修改對(duì)應(yīng)字典表字段

        return R.ok().put("data", page);
    }

    /**
    * 前端詳情
    */
    @RequestMapping("/detail/{id}")
    public R detail(@PathVariable("id") Long id, HttpServletRequest request){
        logger.debug("detail方法:,,Controller:{},,id:{}",this.getClass().getName(),id);
        ShangpinEntity shangpin = shangpinService.selectById(id);
            if(shangpin !=null){

                //點(diǎn)擊數(shù)量加1
                shangpin.setShangpinClicknum(shangpin.getShangpinClicknum()+1);
                shangpinService.updateById(shangpin);

                //entity轉(zhuǎn)view
                ShangpinView view = new ShangpinView();
                BeanUtils.copyProperties( shangpin , view );//把實(shí)體數(shù)據(jù)重構(gòu)到view中

                //級(jí)聯(lián)表
                    ShangjiaEntity shangjia = shangjiaService.selectById(shangpin.getShangjiaId());
                if(shangjia != null){
                    BeanUtils.copyProperties( shangjia , view ,new String[]{ "id", "createDate"});//把級(jí)聯(lián)的數(shù)據(jù)添加到view中,并排除id和創(chuàng)建時(shí)間字段
                    view.setShangjiaId(shangjia.getId());
                }
                //修改對(duì)應(yīng)字典表字段
                dictionaryService.dictionaryConvert(view, request);
                return R.ok().put("data", view);
            }else {
                return R.error(511,"查不到數(shù)據(jù)");
            }
    }


    /**
    * 前端保存
    */
    @RequestMapping("/add")
    public R add(@RequestBody ShangpinEntity shangpin, HttpServletRequest request){
        logger.debug("add方法:,,Controller:{},,shangpin:{}",this.getClass().getName(),shangpin.toString());
        Wrapper<ShangpinEntity> queryWrapper = new EntityWrapper<ShangpinEntity>()
            .eq("shangjia_id", shangpin.getShangjiaId())
            .eq("shangpin_name", shangpin.getShangpinName())
            .eq("shangpin_types", shangpin.getShangpinTypes())
            .eq("shangpin_kucun_number", shangpin.getShangpinKucunNumber())
            .eq("shangpin_clicknum", shangpin.getShangpinClicknum())
            .eq("shangxia_types", shangpin.getShangxiaTypes())
            .eq("shangpin_delete", shangpin.getShangpinDelete())
            ;
        logger.info("sql語句:"+queryWrapper.getSqlSegment());
        ShangpinEntity shangpinEntity = shangpinService.selectOne(queryWrapper);
        if(shangpinEntity==null){
            shangpin.setShangpinDelete(1);
            shangpin.setCreateTime(new Date());
        shangpinService.insert(shangpin);

            return R.ok();
        }else {
            return R.error(511,"表中有相同數(shù)據(jù)");
        }
    }

}

5.2 閑置物品Service模塊?

package com.service;

import com.baomidou.mybatisplus.service.IService;
import com.utils.PageUtils;
import com.entity.ShangpinEntity;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.lang.Nullable;
import java.util.List;

/**
 * 閑置物品 服務(wù)類
 */
public interface ShangpinService extends IService<ShangpinEntity> {

    /**
    * @param params 查詢參數(shù)
    * @return 帶分頁的查詢出來的數(shù)據(jù)
    */
     PageUtils queryPage(Map<String, Object> params);

}

5.3 閑置物品ServiceImpl模塊

package com.service.impl;

import com.utils.StringUtil;
import com.service.DictionaryService;
import com.utils.ClazzDiff;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.lang.reflect.Field;
import java.util.*;
import com.baomidou.mybatisplus.plugins.Page;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import org.springframework.transaction.annotation.Transactional;
import com.utils.PageUtils;
import com.utils.Query;
import org.springframework.web.context.ContextLoader;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import com.dao.ShangpinDao;
import com.entity.ShangpinEntity;
import com.service.ShangpinService;
import com.entity.view.ShangpinView;

/**
 * 閑置物品 服務(wù)實(shí)現(xiàn)類
 */
@Service("shangpinService")
@Transactional
public class ShangpinServiceImpl extends ServiceImpl<ShangpinDao, ShangpinEntity> implements ShangpinService {

    @Override
    public PageUtils queryPage(Map<String,Object> params) {
        Page<ShangpinView> page =new Query<ShangpinView>(params).getPage();
        page.setRecords(baseMapper.selectListView(page,params));
        return new PageUtils(page);
    }

}

5.4?閑置物品Dao模塊

package com.dao;

import com.entity.ShangpinEntity;
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.ShangpinView;

/**
 * 閑置物品 Dao 接口
 *
 * @author 
 */
public interface ShangpinDao extends BaseMapper<ShangpinEntity> {

   List<ShangpinView> selectListView(Pagination page,@Param("params")Map<String,Object> params);

}

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