diff --git a/api/src/main/java/me/xiaoyan/point/api/controller/ShopGoodsController.java b/api/src/main/java/me/xiaoyan/point/api/controller/ShopGoodsController.java
new file mode 100644
index 0000000..1dfb0e1
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/controller/ShopGoodsController.java
@@ -0,0 +1,28 @@
+package me.xiaoyan.point.api.controller;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import me.xiaoyan.point.api.pojo.Goods;
+import me.xiaoyan.point.api.pojo.vo.PageParam;
+import me.xiaoyan.point.api.service.GoodsService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+
+@RestController
+@RequestMapping("shop/goods")
+public class ShopGoodsController {
+    @Resource
+    private GoodsService goodsService;
+
+    @GetMapping("query")
+    public Page<Goods> query(
+            int category,
+            int page,
+            int pageSize
+    ) {
+        return goodsService.queryByPage(category, Page.of(page, pageSize));
+    }
+}
diff --git a/api/src/main/java/me/xiaoyan/point/api/controller/ShopOrderInfoController.java b/api/src/main/java/me/xiaoyan/point/api/controller/ShopOrderInfoController.java
new file mode 100644
index 0000000..32224d7
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/controller/ShopOrderInfoController.java
@@ -0,0 +1,76 @@
+package me.xiaoyan.point.api.controller;
+
+import cn.dev33.satoken.stp.StpUtil;
+import lombok.extern.slf4j.Slf4j;
+import me.xiaoyan.point.api.error.BizException;
+import me.xiaoyan.point.api.pojo.OrderInfo;
+import me.xiaoyan.point.api.pojo.vo.CreateOrderData;
+import me.xiaoyan.point.api.service.GoodsService;
+import me.xiaoyan.point.api.service.OrderInfoService;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.Resource;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * 订单表(OrderInfo)表控制层
+ *
+ * @author makejava
+ * @since 2022-11-24 09:32:38
+ */
+@Slf4j
+@RestController
+@RequestMapping("shop/order")
+public class ShopOrderInfoController {
+    @Resource
+    private OrderInfoService orderInfoService;
+    @Resource
+    private GoodsService goodsService;
+    @Resource
+    private StringRedisTemplate stringRedisTemplate;
+
+    // 是否已经没有库存
+    private ConcurrentHashMap<Integer, Boolean> stockOutMap = new ConcurrentHashMap<>();
+    private static final String CACHE_STOCK_KEY = "goods:stock:";
+
+    private String cacheKey(long gid) {
+        return CACHE_STOCK_KEY + gid;
+    }
+
+    @PostConstruct // 初始化执行一次
+    private void initGoodsStockCache() {
+        //TODO 应该定时更新缓存数据
+        goodsService.queryAllGoodsIdAndStock().forEach(g -> {
+            log.info("缓存 id:{} stock:{} ", g.getId(), g.getStock());
+            // 缓存库存
+            stringRedisTemplate.opsForValue().set(cacheKey(g.getId()), g.getStock().toString());
+        });
+    }
+
+    @PostMapping("create")
+    public OrderInfo create(@Validated @RequestBody CreateOrderData data) {
+        if (data.getGoodsId() <= 0 || data.getBuyCount() <= 0) {
+            throw BizException.create("订单参数不正确");
+        }
+        //1.内存判断
+        if (stockOutMap.get(data.getGoodsId())) {
+            throw BizException.create("库存不足");
+        }
+        //2.缓存（redis）判断
+        long count = stringRedisTemplate.opsForValue().decrement(cacheKey(data.getGoodsId()));
+        if (count < 0) {
+            // 此时库存没有了 , 保存到已买完的对象
+            stockOutMap.put(data.getGoodsId(),true);
+            log.info("stock count ===>" + count);
+            // 对缓存进行库存 + 1
+            stringRedisTemplate.opsForValue().increment(cacheKey(data.getGoodsId())); //
+            throw BizException.create("库存不足");
+        }
+        //3.数据库
+        return orderInfoService.create(StpUtil.getLoginIdAsInt(), data);
+    }
+}
+
diff --git a/api/src/main/java/me/xiaoyan/point/api/mapper/GoodsMapper.java b/api/src/main/java/me/xiaoyan/point/api/mapper/GoodsMapper.java
new file mode 100644
index 0000000..00dee12
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/mapper/GoodsMapper.java
@@ -0,0 +1,30 @@
+package me.xiaoyan.point.api.mapper;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import me.xiaoyan.point.api.pojo.Goods;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+/**
+ * @Entity me.xiaoyan.point.api.pojo.Goods
+ */
+@Mapper
+public interface GoodsMapper extends BaseMapper<Goods> {
+    public Page<Goods> queryByCategory(@Param("category") int category,Page page);
+
+    /**
+     * 扣除商品库存
+     * @param id
+     * @param count
+     * @return
+     */
+    public int deductCount(@Param("id") int id, @Param("count") int count);
+    public List<Goods> queryAllGoodsIdAndStock();
+}
+
+
+
+
diff --git a/api/src/main/java/me/xiaoyan/point/api/mapper/OrderInfoMapper.java b/api/src/main/java/me/xiaoyan/point/api/mapper/OrderInfoMapper.java
new file mode 100644
index 0000000..88d36a9
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/mapper/OrderInfoMapper.java
@@ -0,0 +1,17 @@
+package me.xiaoyan.point.api.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import me.xiaoyan.point.api.pojo.OrderInfo;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 订单表(OrderInfo)表数据库访问层
+ *
+ * @author makejava
+ * @since 2022-11-24 09:32:38
+ */
+@Mapper
+public interface OrderInfoMapper extends BaseMapper<OrderInfo> {
+
+}
+
diff --git a/api/src/main/java/me/xiaoyan/point/api/pojo/Goods.java b/api/src/main/java/me/xiaoyan/point/api/pojo/Goods.java
new file mode 100644
index 0000000..b2b40f7
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/pojo/Goods.java
@@ -0,0 +1,107 @@
+package me.xiaoyan.point.api.pojo;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * 商品表
+ * @TableName goods
+ */
+@Data
+@Accessors(chain = true)
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@TableName(value ="goods")
+public class Goods implements Serializable {
+    /**
+     * 
+     */
+    @TableId(type = IdType.AUTO)
+    private Long id;
+
+    /**
+     * 商品类别(1:普通 2:精选 3:秒杀 4:抽奖)
+     */
+    private Integer category;
+
+    /**
+     * 商品类型(1:实物 2:虚拟)
+     */
+    private Integer type;
+
+    /**
+     * 
+     */
+    private String title;
+
+    /**
+     * 原价
+     */
+    private Integer originPrice;
+
+    /**
+     * 价格
+     */
+    private Integer price;
+
+    /**
+     * 库存数量
+     */
+    private Integer stock;
+
+    /**
+     * 购买最大数量(0表示不限制)
+     */
+    private Integer limitCount;
+
+    /**
+     * 商品图
+     */
+    private String cover;
+
+    /**
+     * 描述
+     */
+    private String description;
+
+    /**
+     * 提示
+     */
+    private String notice;
+
+    /**
+     * 上架时间
+     */
+    private Date onlineTime;
+
+    /**
+     * 下架时间
+     */
+    private Date offlineTime;
+
+    /**
+     * 
+     */
+    private Date createTime;
+
+    /**
+     * 
+     */
+    private Date updateTime;
+
+    /**
+     * 
+     */
+    private Integer status;
+}
\ No newline at end of file
diff --git a/api/src/main/java/me/xiaoyan/point/api/pojo/OrderInfo.java b/api/src/main/java/me/xiaoyan/point/api/pojo/OrderInfo.java
new file mode 100644
index 0000000..1da5846
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/pojo/OrderInfo.java
@@ -0,0 +1,50 @@
+package me.xiaoyan.point.api.pojo;
+
+import java.util.Date;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.extension.activerecord.Model;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+
+/**
+ * 订单表(OrderInfo)表实体类
+ *
+ * @author makejava
+ * @since 2022-11-24 09:32:42
+ */
+@Data
+@Accessors(chain = true)
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@TableName(value ="order_info")
+public class OrderInfo {
+    @TableId
+    //订单编号
+    private String id;
+    //商品编号
+    private Long gid;
+    //价格
+    private Integer price;
+    //购买数量
+    private Integer count;
+    //用户编号
+    private Integer uid;
+    //订单数据
+    private String data;
+    
+    private Date createTime;
+    
+    private Date updateTime;
+    //订单状态(0:已删除 1:已取消 2:待确认 3:已完成)
+    private Integer status;
+
+}
+
diff --git a/api/src/main/java/me/xiaoyan/point/api/pojo/dto/OrderStatus.java b/api/src/main/java/me/xiaoyan/point/api/pojo/dto/OrderStatus.java
new file mode 100644
index 0000000..c3656ec
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/pojo/dto/OrderStatus.java
@@ -0,0 +1,8 @@
+package me.xiaoyan.point.api.pojo.dto;
+
+public class OrderStatus {
+    public static final int DELETE = 0;
+    public static final int CANCEL = 1;
+    public static final int CONFIRM = 2;
+    public static final int DONE = 3;
+}
diff --git a/api/src/main/java/me/xiaoyan/point/api/pojo/vo/CreateOrderData.java b/api/src/main/java/me/xiaoyan/point/api/pojo/vo/CreateOrderData.java
new file mode 100644
index 0000000..0b3bfd5
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/pojo/vo/CreateOrderData.java
@@ -0,0 +1,11 @@
+package me.xiaoyan.point.api.pojo.vo;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+public class CreateOrderData implements Serializable {
+    private int goodsId;
+    private int buyCount;
+}
diff --git a/api/src/main/java/me/xiaoyan/point/api/service/GoodsService.java b/api/src/main/java/me/xiaoyan/point/api/service/GoodsService.java
new file mode 100644
index 0000000..ec61724
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/service/GoodsService.java
@@ -0,0 +1,26 @@
+package me.xiaoyan.point.api.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import me.xiaoyan.point.api.pojo.Goods;
+import com.baomidou.mybatisplus.extension.service.IService;
+import me.xiaoyan.point.api.pojo.vo.PageParam;
+
+import java.util.List;
+
+/**
+ *
+ */
+public interface GoodsService extends IService<Goods> {
+
+    Page<Goods> queryByPage(int category, Page page);
+
+    /**
+     * 减库存
+     * @param id
+     * @param count
+     * @return
+     */
+    boolean deductStock(int id,int count);
+
+    List<Goods> queryAllGoodsIdAndStock();
+}
diff --git a/api/src/main/java/me/xiaoyan/point/api/service/OrderInfoService.java b/api/src/main/java/me/xiaoyan/point/api/service/OrderInfoService.java
new file mode 100644
index 0000000..bfa072a
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/service/OrderInfoService.java
@@ -0,0 +1,17 @@
+package me.xiaoyan.point.api.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import me.xiaoyan.point.api.pojo.OrderInfo;
+import me.xiaoyan.point.api.pojo.vo.CreateOrderData;
+
+/**
+ * 订单表(OrderInfo)表服务接口
+ *
+ * @author makejava
+ * @since 2022-11-24 09:32:44
+ */
+public interface OrderInfoService extends IService<OrderInfo> {
+
+    OrderInfo create(int uid, CreateOrderData data);
+}
+
diff --git a/api/src/main/java/me/xiaoyan/point/api/service/impl/GoodsServiceImpl.java b/api/src/main/java/me/xiaoyan/point/api/service/impl/GoodsServiceImpl.java
new file mode 100644
index 0000000..4e0fa91
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/service/impl/GoodsServiceImpl.java
@@ -0,0 +1,37 @@
+package me.xiaoyan.point.api.service.impl;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import me.xiaoyan.point.api.pojo.Goods;
+import me.xiaoyan.point.api.service.GoodsService;
+import me.xiaoyan.point.api.mapper.GoodsMapper;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ *
+ */
+@Service
+public class GoodsServiceImpl extends ServiceImpl<GoodsMapper, Goods>
+        implements GoodsService {
+
+    @Override
+    public Page<Goods> queryByPage(int category, Page page) {
+        return this.getBaseMapper().queryByCategory(category, page);
+    }
+
+    @Override
+    public boolean deductStock(int id, int count) {
+        return getBaseMapper().deductCount(id,count) == 1;
+    }
+
+    @Override
+    public List<Goods> queryAllGoodsIdAndStock() {
+        return getBaseMapper().queryAllGoodsIdAndStock();
+    }
+}
+
+
+
+
diff --git a/api/src/main/java/me/xiaoyan/point/api/service/impl/OrderInfoServiceImpl.java b/api/src/main/java/me/xiaoyan/point/api/service/impl/OrderInfoServiceImpl.java
new file mode 100644
index 0000000..d6183ce
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/service/impl/OrderInfoServiceImpl.java
@@ -0,0 +1,84 @@
+package me.xiaoyan.point.api.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import me.xiaoyan.point.api.error.BizException;
+import me.xiaoyan.point.api.mapper.OrderInfoMapper;
+import me.xiaoyan.point.api.pojo.Goods;
+import me.xiaoyan.point.api.pojo.OrderInfo;
+import me.xiaoyan.point.api.pojo.UserInfo;
+import me.xiaoyan.point.api.pojo.dto.OrderStatus;
+import me.xiaoyan.point.api.pojo.vo.CreateOrderData;
+import me.xiaoyan.point.api.service.GoodsService;
+import me.xiaoyan.point.api.service.OrderInfoService;
+import me.xiaoyan.point.api.service.UserInfoService;
+import me.xiaoyan.point.api.util.OrderIdGenerator;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+import java.util.Date;
+
+/**
+ * 订单表(OrderInfo)表服务实现类
+ *
+ * @author makejava
+ * @since 2022-11-24 09:32:44
+ */
+@Service
+public class OrderInfoServiceImpl extends ServiceImpl<OrderInfoMapper, OrderInfo> implements OrderInfoService {
+
+    @Resource
+    private UserInfoService userInfoService;
+    @Resource
+    private GoodsService goodsService;
+
+    @Transactional
+    @Override
+    public OrderInfo create(int uid, CreateOrderData data) {
+        // 1.查询用户信息
+        final UserInfo user = userInfoService.getInfoById(uid);
+        // 判断用户信息
+        if (user == null) throw BizException.create("用户信息不存在");
+        if (user.getStatus() != 1) throw BizException.create("用户状态不正确");
+        // 2.查询商品信息
+        final Goods goods = goodsService.getById(data.getGoodsId());
+        if (goods == null) throw BizException.create("兑换的商品不存在");
+        long now = new Date().getTime();
+        if (goods.getOnlineTime().getTime() > now || goods.getOfflineTime().getTime() < now) {
+            throw BizException.create("商品未上架或已下架");
+        }
+        if (goods.getStock() < data.getBuyCount()) throw BizException.create("商品存库不足");
+        // 判断购买数量的限制
+        if(buyHistoryCount(uid,data.getGoodsId()) + data.getBuyCount() > goods.getLimitCount()){
+            throw  BizException.create("最多兑换" + goods.getLimitCount() + "件");
+        }
+        // 3.减库存
+        if (!goodsService.deductStock(data.getGoodsId(), data.getBuyCount())) {
+            throw BizException.create("商品库存不足");
+        }
+        // 4.创建订单
+        OrderInfo orderInfo = OrderInfo.builder()
+                .id(OrderIdGenerator.next())
+                .gid((long) data.getGoodsId())
+                .uid(uid)
+                .count(data.getBuyCount())
+                .price(goods.getPrice())
+                .status(OrderStatus.CONFIRM)
+                .build();
+        if (save(orderInfo)) {
+            return orderInfo;
+        }
+        throw BizException.create("创建订单失败");
+    }
+
+    public long buyHistoryCount(int uid, int gid) {
+        QueryWrapper q = new QueryWrapper();
+        q.eq("uid", gid);
+        q.eq("gid", gid);
+        q.ge("status", OrderStatus.CONFIRM); // 状态为2(待确认)和3(已完成)
+        return count(q);
+    }
+}
+
diff --git a/api/src/main/java/me/xiaoyan/point/api/util/OrderIdGenerator.java b/api/src/main/java/me/xiaoyan/point/api/util/OrderIdGenerator.java
new file mode 100644
index 0000000..7609e73
--- /dev/null
+++ b/api/src/main/java/me/xiaoyan/point/api/util/OrderIdGenerator.java
@@ -0,0 +1,28 @@
+package me.xiaoyan.point.api.util;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
+
+public class OrderIdGenerator {
+    private static AtomicInteger atomic = new AtomicInteger();
+    private static SimpleDateFormat dateFormat = new SimpleDateFormat("yyMMddHHmmss");
+    private static long prevTime = 0;
+
+    public static String next() {
+        long now = System.currentTimeMillis() / 1000;
+        if (now > prevTime) {
+            prevTime = now;
+            atomic.set(0);
+        }
+        return dateFormat.format(new Date()) + String.format("%05d", atomic.addAndGet(1));
+    }
+
+    public static void main(String[] args) throws InterruptedException {
+        for (int i = 0; i < 1000; i++) {
+            System.out.println(next());
+            Thread.sleep(1);
+        }
+    }
+}
diff --git a/api/src/main/resources/db.sql b/api/src/main/resources/db.sql
index b6d9c3c..496330c 100644
--- a/api/src/main/resources/db.sql
+++ b/api/src/main/resources/db.sql
@@ -31,7 +31,7 @@ create table point_record
     point               int(10)      not null,
     current_total_point int(10)      not null,
     reason              varchar(100) not null,
-    valid_time          datetime     default current_timestamp,
+    valid_time          datetime default current_timestamp,
     expire_time         datetime     null
 ) engine = innodb comment '积分记录表';
 
@@ -41,10 +41,38 @@ create table sign_record
     uid         int(10)     not null,
     point       int(10)     not null,
     ip          varchar(50) not null,
-    create_time datetime    default current_timestamp
+    create_time datetime default current_timestamp
 ) engine = innodb comment '打卡记录表';
 
 create table goods
 (
+    id           bigint(15) primary key auto_increment,
+    category     tinyint(2)       null         default 1 comment '商品类别(1:普通 2:精选 3:秒杀 4:抽奖)',
+    type         tinyint(2)       null         default 1 comment '商品类型(1:实物 2:虚拟)',
+    title        varchar(50)      not null,
+    origin_price int(10) unsigned comment '原价' default 0,
+    price        int(10) unsigned not null comment '价格',
+    stock        int(10) unsigned not null comment '库存数量',
+    limit_count  int(10) unsigned null         default 1 comment '购买最大数量(0表示不限制)',
+    cover        varchar(200)     not null comment '商品图',
+    description  text             not null comment '描述',
+    notice       varchar(500)     null comment '提示',
+    online_time  datetime         not null comment '上架时间',
+    offline_time datetime         not null comment '下架时间',
+    create_time  datetime                      default current_timestamp,
+    update_time  datetime         null on update current_timestamp,
+    status       tinyint(2)                    default 1,
+    index ix_title (title)
+) engine = innodb comment '商品表';
 
-) engine = innodb comment '商品表';
\ No newline at end of file
+create table order_info
+(
+    id          varchar(50) not null comment '订单编号',
+    gid         bigint(15)  not null comment '商品编号',
+    price       int(10)     not null comment '价格',
+    uid         int(10)     not null comment '用户编号',
+    data        json     null comment '订单数据',
+    create_time datetime   default current_timestamp,
+    update_time datetime    null on update current_timestamp,
+    status      tinyint(2) default 1 comment '订单状态(0:已删除 1:待确认 2:已取消 3:已完成)'
+) comment '订单表';
\ No newline at end of file
diff --git a/api/src/main/resources/docs/process/create_order.svg b/api/src/main/resources/docs/process/create_order.svg
new file mode 100644
index 0000000..480d239
--- /dev/null
+++ b/api/src/main/resources/docs/process/create_order.svg
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text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 248px; height: 1px; padding-top: 30px; margin-left: 1px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 16px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">创建订单</div></div></div></foreignObject><text x="125" y="35" fill="#000000" font-family="Helvetica" font-size="16px" text-anchor="middle">创建订单</text></switch></g><path d="M 125.1 209.95 L 125.1 240 L 125.02 263.63" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 125 268.88 L 121.53 261.87 L 125.02 263.63 L 128.53 261.89 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; 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diff --git a/api/src/main/resources/docs/process/创建订单.svg b/api/src/main/resources/docs/process/创建订单.svg
new file mode 100644
index 0000000..7160e69
--- /dev/null
+++ b/api/src/main/resources/docs/process/创建订单.svg
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+<svg id="SvgjsSvg1156" width="403.8375244140625" height="1084.4750366210938" xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svgjs="http://svgjs.com/svgjs"><defs id="SvgjsDefs1157"><marker id="SvgjsMarker1166" markerWidth="14" markerHeight="10" refX="10" refY="5" viewBox="0 0 14 10" orient="auto" markerUnits="userSpaceOnUse" stroke-dasharray="0,0"><path id="SvgjsPath1167" d="M0,0 L14,5 L0,10 L0,0" fill="#323232" stroke="#323232" stroke-width="1"></path></marker><marker id="SvgjsMarker1178" markerWidth="14" markerHeight="10" refX="10" refY="5" viewBox="0 0 14 10" orient="auto" markerUnits="userSpaceOnUse" stroke-dasharray="0,0"><path id="SvgjsPath1179" d="M0,0 L14,5 L0,10 L0,0" fill="#323232" stroke="#323232" stroke-width="1"></path></marker><marker id="SvgjsMarker1192" markerWidth="14" markerHeight="10" refX="10" refY="5" viewBox="0 0 14 10" orient="auto" markerUnits="userSpaceOnUse" stroke-dasharray="0,0"><path id="SvgjsPath1193" 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id="SvgjsPath1293" d="M0,0 L14,5 L0,10 L0,0" fill="#323232" stroke="#323232" stroke-width="1"></path></marker><marker id="SvgjsMarker1296" markerWidth="14" markerHeight="10" refX="10" refY="5" viewBox="0 0 14 10" orient="auto" markerUnits="userSpaceOnUse" stroke-dasharray="0,0"><path id="SvgjsPath1297" d="M0,0 L14,5 L0,10 L0,0" fill="#323232" stroke="#323232" stroke-width="1"></path></marker><marker id="SvgjsMarker1300" markerWidth="14" markerHeight="10" refX="10" refY="5" viewBox="0 0 14 10" orient="auto" markerUnits="userSpaceOnUse" stroke-dasharray="0,0"><path id="SvgjsPath1301" d="M0,0 L14,5 L0,10 L0,0" fill="#323232" stroke="#323232" stroke-width="1"></path></marker><marker id="SvgjsMarker1304" markerWidth="14" markerHeight="10" refX="10" refY="5" viewBox="0 0 14 10" orient="auto" markerUnits="userSpaceOnUse" stroke-dasharray="0,0"><path id="SvgjsPath1305" d="M0,0 L14,5 L0,10 L0,0" fill="#323232" stroke="#323232" stroke-width="1"></path></marker></defs><g id="SvgjsG1158" transform="translate(123.36248779296875,24.99999237060547)"><path id="SvgjsPath1159" d="M 0 0L 159.2750129699707 0L 159.2750129699707 41.02500158548355L 0 41.02500158548355Z" stroke="rgba(50,50,50,1)" stroke-width="2" fill-opacity="1" fill="#ffffff"></path><g id="SvgjsG1160"><text id="SvgjsText1161" font-family="微软雅黑" text-anchor="middle" font-size="13px" width="140px" fill="#323232" font-weight="400" align="middle" lineHeight="125%" anchor="middle" family="微软雅黑" size="13px" weight="400" font-style="" opacity="1" y="9.887500792741776" transform="rotate(0)"><tspan id="SvgjsTspan1162" dy="16" x="80"><tspan id="SvgjsTspan1163" style="text-decoration:;">开始下单</tspan></tspan></text></g></g><g id="SvgjsG1164"><path id="SvgjsPath1165" d="M202.9999942779541 67.02499395608902L202.9999942779541 84.14999395608902L202.9999942779541 84.14999395608902L202.9999942779541 98.67499395608903" stroke="#323232" stroke-width="2" fill="none" marker-end="url(#SvgjsMarker1166)"></path></g><g id="SvgjsG1168" 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font-weight="400" align="top" lineHeight="16px" anchor="middle" family="微软雅黑" size="13px" weight="400" font-style="" opacity="1" y="408.78749678730964" transform="rotate(0)"><tspan id="SvgjsTspan1222" dy="16" x="202.9999942779541"><tspan id="SvgjsTspan1223" style="text-decoration:;">正常</tspan></tspan></text></g><g id="SvgjsG1224" transform="translate(152.9999942779541,442.274993956089)"><path id="SvgjsPath1225" d="M 0 0L 100 0L 100 70L 0 70Z" stroke="rgba(50,50,50,1)" stroke-width="2" fill-opacity="1" fill="#ffffff"></path><g id="SvgjsG1226"><text id="SvgjsText1227" font-family="微软雅黑" text-anchor="middle" font-size="13px" width="80px" fill="#323232" font-weight="400" align="middle" lineHeight="125%" anchor="middle" family="微软雅黑" size="13px" weight="400" font-style="" opacity="1" y="24.375" transform="rotate(0)"><tspan id="SvgjsTspan1228" dy="16" x="50"><tspan id="SvgjsTspan1229" style="text-decoration:;">创建订单</tspan></tspan></text></g></g><g id="SvgjsG1230"><path id="SvgjsPath1231" d="M202.9999942779541 513.274993956089L202.9999942779541 530.7124967873096L202.9999942779541 530.7124967873096L202.9999942779541 545.5499996185303" stroke="#323232" stroke-width="2" fill="none" marker-end="url(#SvgjsMarker1232)"></path></g><g id="SvgjsG1234" transform="translate(142.9999942779541,552.899993956089)"><path id="SvgjsPath1235" d="M 0 40L 60 0L 120 40L 60 80Z" stroke="rgba(50,50,50,1)" stroke-width="2" fill-opacity="1" fill="#ffffff"></path><g id="SvgjsG1236"><text id="SvgjsText1237" font-family="微软雅黑" text-anchor="middle" font-size="13px" width="100px" fill="#323232" font-weight="400" align="middle" lineHeight="125%" anchor="middle" family="微软雅黑" size="13px" weight="400" font-style="" opacity="1" y="29.775" transform="rotate(0)"><tspan id="SvgjsTspan1238" dy="16" x="60"><tspan id="SvgjsTspan1239" style="text-decoration:;">是否成功</tspan></tspan></text></g></g><g id="SvgjsG1240"><path id="SvgjsPath1241" d="M202.9999942779541 633.899993956089L202.9999942779541 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text-anchor="middle" font-size="13px" width="80px" fill="#323232" font-weight="400" align="middle" lineHeight="125%" anchor="middle" family="微软雅黑" size="13px" weight="400" font-style="" opacity="1" y="24.375" transform="rotate(0)"><tspan id="SvgjsTspan1252" dy="16" x="50"><tspan id="SvgjsTspan1253" style="text-decoration:;">减库存</tspan></tspan></text></g></g><g id="SvgjsG1254"><path id="SvgjsPath1255" d="M202.9999942779541 744.524993956089L202.9999942779541 754.0999985039234L202.9999942779541 754.0999985039234L202.9999942779541 761.0750030517578" stroke="#323232" stroke-width="2" fill="none" marker-end="url(#SvgjsMarker1256)"></path></g><g id="SvgjsG1258" transform="translate(142.9999942779541,764.6750030517578)"><path id="SvgjsPath1259" d="M 0 40L 60 0L 120 40L 60 80Z" stroke="rgba(50,50,50,1)" stroke-width="2" fill-opacity="1" fill="#ffffff"></path><g id="SvgjsG1260"><text id="SvgjsText1261" font-family="微软雅黑" text-anchor="middle" font-size="13px" width="100px" fill="#323232" font-weight="400" align="middle" lineHeight="125%" anchor="middle" family="微软雅黑" size="13px" weight="400" font-style="" opacity="1" y="21.275" transform="rotate(0)"><tspan id="SvgjsTspan1262" dy="16" x="60"><tspan id="SvgjsTspan1263" style="text-decoration:;">减库存</tspan></tspan><tspan id="SvgjsTspan1264" dy="16" x="60"><tspan id="SvgjsTspan1265" style="text-decoration:;">是否成功</tspan></tspan></text></g></g><g id="SvgjsG1266"><path id="SvgjsPath1267" d="M202.9999942779541 845.6750030517578L202.9999942779541 874.7361148150975L202.99999427795422 874.7361148150975L202.99999427795422 901.1972265784372" stroke="#323232" stroke-width="2" fill="none" marker-end="url(#SvgjsMarker1268)"></path><rect id="SvgjsRect1270" width="26" height="16" x="189.9999942779541" y="865.4361148150975" fill="#ffffff"></rect><text id="SvgjsText1271" font-family="微软雅黑" text-anchor="middle" font-size="13px" width="26px" fill="#323232" font-weight="400" align="top" lineHeight="16px" anchor="middle" family="微软雅黑" size="13px" weight="400" font-style="" opacity="1" y="862.8111148150975" transform="rotate(0)"><tspan id="SvgjsTspan1272" dy="16" x="202.9999942779541"><tspan id="SvgjsTspan1273" style="text-decoration:;">成功</tspan></tspan></text></g><g id="SvgjsG1274" transform="translate(142.17290910085046,904.774993956089)"><path id="SvgjsPath1275" d="M 0 0L 121.6541703542074 0L 121.6541703542074 46.6999918023746L 0 46.6999918023746Z" stroke="rgba(50,50,50,1)" stroke-width="2" fill-opacity="1" fill="#ffffff"></path><g id="SvgjsG1276"><text id="SvgjsText1277" font-family="微软雅黑" text-anchor="middle" font-size="13px" width="102px" fill="#323232" font-weight="400" align="middle" lineHeight="125%" anchor="middle" family="微软雅黑" size="13px" weight="400" font-style="" opacity="1" y="12.724995901187299" transform="rotate(0)"><tspan id="SvgjsTspan1278" dy="16" x="61"><tspan id="SvgjsTspan1279" style="text-decoration:;">下订单成功</tspan></tspan></text></g></g><g id="SvgjsG1280"><path id="SvgjsPath1281" d="M202.9999942779541 952.4749857584636L202.9999942779541 970.4749857584636L202.9999942779541 970.4749857584636L202.9999942779541 985.8749857584637" stroke="#323232" stroke-width="2" fill="none" marker-end="url(#SvgjsMarker1282)"></path></g><g id="SvgjsG1284" transform="translate(152.9999942779541,989.4749857584636)"><path id="SvgjsPath1285" d="M 0 0L 100 0L 100 70L 0 70Z" stroke="rgba(50,50,50,1)" stroke-width="2" fill-opacity="1" fill="#ffffff"></path><g id="SvgjsG1286"><text id="SvgjsText1287" font-family="微软雅黑" text-anchor="middle" font-size="13px" width="80px" fill="#323232" font-weight="400" align="middle" lineHeight="125%" anchor="middle" family="微软雅黑" size="13px" weight="400" font-style="" opacity="1" y="24.375" transform="rotate(0)"><tspan id="SvgjsTspan1288" dy="16" x="50"><tspan id="SvgjsTspan1289" style="text-decoration:;">结束创建订单</tspan></tspan></text></g></g><g id="SvgjsG1290"><path id="SvgjsPath1291" d="M141.9999942779541 142.27499395608902L24.9999942779541 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marker-end="url(#SvgjsMarker1304)"></path></g></svg>
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diff --git a/api/src/main/resources/mapper/GoodsMapper.xml b/api/src/main/resources/mapper/GoodsMapper.xml
new file mode 100644
index 0000000..d513a46
--- /dev/null
+++ b/api/src/main/resources/mapper/GoodsMapper.xml
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="me.xiaoyan.point.api.mapper.GoodsMapper">
+
+    <resultMap id="BaseResultMap" type="me.xiaoyan.point.api.pojo.Goods">
+        <id property="id" column="id" jdbcType="BIGINT"/>
+        <result property="category" column="category" jdbcType="TINYINT"/>
+        <result property="type" column="type" jdbcType="TINYINT"/>
+        <result property="title" column="title" jdbcType="VARCHAR"/>
+        <result property="originPrice" column="origin_price" jdbcType="INTEGER"/>
+        <result property="price" column="price" jdbcType="INTEGER"/>
+        <result property="stock" column="stock" jdbcType="INTEGER"/>
+        <result property="limitCount" column="limit_count" jdbcType="INTEGER"/>
+        <result property="cover" column="cover" jdbcType="VARCHAR"/>
+        <result property="description" column="description" jdbcType="VARCHAR"/>
+        <result property="notice" column="notice" jdbcType="VARCHAR"/>
+        <result property="onlineTime" column="online_time" jdbcType="TIMESTAMP"/>
+        <result property="offlineTime" column="offline_time" jdbcType="TIMESTAMP"/>
+        <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
+        <result property="updateTime" column="update_time" jdbcType="TIMESTAMP"/>
+        <result property="status" column="status" jdbcType="TINYINT"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,category,type,
+        title,origin_price,price,
+        stock,limit_count,cover,
+        description,notice,online_time,
+        offline_time,create_time,update_time,
+        status
+    </sql>
+    <update id="deductCount">
+        update points_sys.goods
+        set stock=stock - #{count}
+        where id = #{id}
+          and stock >= #{count}
+    </update>
+    <select id="queryByCategory" resultType="me.xiaoyan.point.api.pojo.Goods">
+        select *
+        from points_sys.goods
+        where online_time &lt; current_timestamp
+          and offline_time > current_timestamp
+          and stock > 0
+          and category = #{category}
+          and status != 0
+    </select>
+    <select id="queryAllGoodsIdAndStock" resultType="me.xiaoyan.point.api.pojo.Goods">
+        select id,stock
+        from points_sys.goods
+        where online_time &lt; current_timestamp
+          and offline_time > current_timestamp
+          and status != 0
+    </select>
+
+</mapper>
diff --git a/api/src/main/resources/mapper/OrderInfoMapper.xml b/api/src/main/resources/mapper/OrderInfoMapper.xml
new file mode 100644
index 0000000..3120edb
--- /dev/null
+++ b/api/src/main/resources/mapper/OrderInfoMapper.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="me.xiaoyan.point.api.mapper.OrderInfoMapper">
+</mapper>
\ No newline at end of file
diff --git a/api/src/test/java/me/xiaoyan/point/api/ApiApplicationTests.java b/api/src/test/java/me/xiaoyan/point/api/ApiApplicationTests.java
index 2202460..0cbf998 100644
--- a/api/src/test/java/me/xiaoyan/point/api/ApiApplicationTests.java
+++ b/api/src/test/java/me/xiaoyan/point/api/ApiApplicationTests.java
@@ -2,12 +2,42 @@ package me.xiaoyan.point.api;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.redis.core.StringRedisTemplate;
+
+import javax.annotation.Resource;
 
 @SpringBootTest
 class ApiApplicationTests {
 
+    @Resource
+    private StringRedisTemplate stringRedisTemplate;
     @Test
     void contextLoads() {
     }
+    void testBuy(long buyCount){
+        long count = stringRedisTemplate.opsForValue().decrement("a",buyCount);
+        System.out.println(count);
+        if(count<0){
+            System.out.println("库存不足");
+            stringRedisTemplate.opsForValue().increment("a",buyCount);
+            return;
+        }
+        if(count == 0){
+            System.out.println("下一次就没有存库了");
+            return;
+        }
+        System.out.println("购买成功");
+    }
+
+    @Test
+    void testRedis(){
+        stringRedisTemplate.opsForValue().set("a","1");
+        System.out.println("----------第1次----------");
+        testBuy(2);
+        System.out.println("----------第2次----------");
+        testBuy(1);
+        System.out.println("----------第3次----------");
+        testBuy(1);
+    }
 
 }