feat: 读写分离

src/test/java/com/yupi/project/service/OrderMapperTest.java

@@ -2,6 +2,7 @@ package com.yupi.project.service;
 
 import com.yupi.project.mapper.OrderMapper;
 import com.yupi.project.model.entity.OrderDO;
+import org.apache.shardingsphere.api.hint.HintManager;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -15,14 +16,39 @@ public class OrderMapperTest {
 
     @Autowired
     private OrderMapper orderMapper;
+    @Autowired
+    private OrderService orderService;
+
+    @Test
+    public void testSelectById() { // 测试从库的负载均衡
+        for (int i = 0; i < 2; i++) {
+            OrderDO order = orderMapper.selectById(1);
+            System.out.println(order);
+        }
+    }
+
+    @Test
+    public void testSelectById02() { // 测试强制访问主库
+        try (HintManager hintManager = HintManager.getInstance()) {
+            // 设置强制访问主库
+            hintManager.setMasterRouteOnly();
+            // 执行查询
+            OrderDO order = orderMapper.selectById(1);
+            System.out.println(order);
+        }
+    }
 
 
     @Test
     public void testInsert() {
         OrderDO order = new OrderDO();
-        order.setId(2L);
-        order.setUserId(4);
+        order.setUserId(3);
         orderMapper.insert(order);
     }
 
+    @Test
+    public void testGroup() {
+        orderService.add(new OrderDO().setUserId(10));
+    }
+
 }