完成学习事务

order-service/src/main/java/cn/mayiming/App.java

@@ -1,5 +1,6 @@
 package cn.mayiming;
 
+import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.openfeign.EnableFeignClients;
@@ -10,6 +11,7 @@ import org.springframework.cloud.openfeign.EnableFeignClients;
  */
 @SpringBootApplication
 @EnableFeignClients
+@MapperScan("cn.mayiming.Mapper")
 public class App 
 {
     public static void main( String[] args )

order-service/src/main/java/cn/mayiming/Controller/OrderController.java

@@ -2,11 +2,13 @@ package cn.mayiming.Controller;
 
 
 import cn.mayiming.Service.OrderService;
+import cn.mayiming.entity.Order;
 import cn.mayiming.entity.User;
+import com.alibaba.csp.sentinel.annotation.SentinelResource;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
 
 @RestController
 public class OrderController {
@@ -15,7 +17,13 @@ public class OrderController {
     private OrderService orderService;
 
     @PostMapping("/order")
-    public User getOrder(@RequestBody User user){
+    public User getUserOrder(@RequestBody User user){
+        //throw new RuntimeException("Cuowu ");
         return orderService.SearchUserbyname(user);
     }
+
+    @GetMapping("/order")
+    public List<Order> getUserOrder(@RequestParam Integer id){
+        return orderService.OrderListById(id);
+    }
 }

order-service/src/main/java/cn/mayiming/Mapper/OrderMapper.java

@@ -0,0 +1,33 @@
+package cn.mayiming.Mapper;
+
+
+import cn.mayiming.entity.Order;
+import feign.Param;
+import org.apache.ibatis.annotations.Select;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface OrderMapper {
+
+    /**
+     * 根据用户ID查询所有订单
+     * @param userId 用户ID（@Param 注解解决参数名绑定问题）
+     * @return 该用户的所有订单列表（按创建时间倒序）
+     */
+    @Select("SELECT id, " +
+            "order_no AS orderNo, " +
+            "user_id AS userId, " +
+            "product_name AS productName, " +
+            "product_price AS productPrice, " +
+            "count, " +
+            "total_amount AS totalAmount, " +
+            "status, " +
+            "create_time AS createTime, " +
+            "update_time AS updateTime " +
+            "FROM t_order " +
+            "WHERE user_id = #{userId} " +
+            "ORDER BY create_time DESC")
+    List<Order> selectByUserId(@Param("userId") Integer userId);
+}

order-service/src/main/java/cn/mayiming/Service/OrderService.java

@@ -1,17 +1,34 @@
 package cn.mayiming.Service;
 
+import cn.mayiming.Mapper.OrderMapper;
+import cn.mayiming.entity.Order;
 import cn.mayiming.entity.User;
 import cn.mayiming.feign.UserFeignClient;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 @Service
 public class OrderService {
     @Autowired
     private UserFeignClient userFeignClient;
 
+    @Autowired
+    private OrderMapper orderMapper;
+
     public User SearchUserbyname (User user) {
         return userFeignClient.selectByUsername(user);
     }
 
+    public List<Order> OrderListById(Integer id) {
+        User user = userFeignClient.GetUserByid(id);
+
+        if(user == null) {
+            throw new RuntimeException("错误！");
+        }
+        return orderMapper.selectByUserId(id);
+
+    }
+
 }

order-service/src/main/java/cn/mayiming/entity/Order.java

@@ -0,0 +1,54 @@
+package cn.mayiming.entity;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.util.Date;
+
+@Data // Lombok 注解，自动生成get/set/toString
+public class Order {
+    /** 订单ID */
+    private Long id;
+    /** 订单编号 */
+    private String orderNo;
+    /** 关联用户ID */
+    private Integer userId;
+    /** 商品名称 */
+    private String productName;
+    /** 商品单价 */
+    private BigDecimal productPrice;
+    /** 购买数量 */
+    private Integer count;
+    /** 订单总金额 */
+    private BigDecimal totalAmount;
+    /** 订单状态：0-待支付 1-已支付 2-已取消 3-已完成 */
+    private Integer status;
+    /** 创建时间 */
+    private Date createTime;
+    /** 更新时间 */
+    private Date updateTime;
+
+    // 可选：添加状态枚举，避免硬编码数字
+    public enum OrderStatus {
+        PENDING_PAYMENT(0, "待支付"),
+        PAID(1, "已支付"),
+        CANCELLED(2, "已取消"),
+        COMPLETED(3, "已完成");
+
+        private final int code;
+        private final String desc;
+
+        OrderStatus(int code, String desc) {
+            this.code = code;
+            this.desc = desc;
+        }
+
+        public int getCode() {
+            return code;
+        }
+
+        public String getDesc() {
+            return desc;
+        }
+    }
+}

order-service/src/main/java/cn/mayiming/feign/UserFeignClient.java

@@ -3,10 +3,16 @@ package cn.mayiming.feign;
 import cn.mayiming.entity.User;
 import feign.Param;
 import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 
 @FeignClient(name = "user-service")
 public interface UserFeignClient {
     @PostMapping("/user")
     User selectByUsername(User user);
+
+    @GetMapping("/user")
+    User GetUserByid(@RequestParam("id") Integer id);
+
 }

order-service/src/main/resources/application.yml

@@ -18,4 +18,24 @@ spring:
         namespace: public
         group: DEFAULT_GROUP
   config:
-    import: nacos:${spring.application.name}.${spring.cloud.nacos.config.file-extension}?server-addr=${spring.cloud.nacos.config.server-addr}
+    import: nacos:${spring.application.name}.${spring.cloud.nacos.config.file-extension}?server-addr=${spring.cloud.nacos.config.server-addr}
+
+  datasource:
+    # 数据库驱动类（MySQL 8.x 用 com.mysql.cj.jdbc.Driver，5.x 用 com.mysql.jdbc.Driver）
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    # 数据库连接 URL（替换为你的数据库地址、端口、库名，如 user_db）
+    url: jdbc:mysql://rm-f8z6oc5a03331500p8o.mysql.rds.aliyuncs.com:3306/test?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true
+    # 数据库用户名（默认 root，根据实际情况修改）
+    username: root
+    # 数据库密码（替换为你的 MySQL 密码）
+    password: Root123456
+    # 可选：连接池配置（推荐使用 HikariCP，Spring Boot 2.x 默认）
+    hikari:
+      # 连接池最大连接数
+      maximum-pool-size: 10
+      # 连接池最小空闲连接数
+      minimum-idle: 2
+      # 连接超时时间（毫秒）
+      connection-timeout: 30000
+      # 连接最大存活时间（毫秒）
+      max-lifetime: 1800000