feat: 添加 DemoMapper 测试动态数据源切换

Author: cadecode

simple-model/src/main/java/top/cadecode/model/demo/DemoMapper.java

@@ -0,0 +1,21 @@
+package top.cadecode.model.demo;
+
+import org.apache.ibatis.annotations.Mapper;
+import top.cadecode.common.datasource.DataSource;
+
+import java.util.List;
+
+/**
+ * @author Cade Li
+ * @date 2021/12/3
+ * @description ToDo
+ */
+@Mapper
+public interface DemoMapper {
+
+    @DataSource("db1")
+    List<String> getOne();
+
+    @DataSource("db2")
+    List<String> getTwo();
+}

simple-model/src/main/resources/mybatis/mapper/demo/DemoMapper.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://www.mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="top.cadecode.model.demo.DemoMapper">
+    <select id="getOne" resultType="java.lang.String">
+        select value from demo_table
+    </select>
+    <select id="getTwo" resultType="java.lang.String">
+        select value from demo_table
+    </select>
+</mapper>

simple-web/src/test/java/top/cadecode/demo/DemoMapperTest.java

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+package top.cadecode.demo;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import top.cadecode.model.demo.DemoMapper;
+import top.cadecode.web.WebApplication;
+
+/**
+ * @author Cade Li
+ * @date 2021/12/3
+ * @description ToDo
+ */
+@SpringBootTest(classes = WebApplication.class)
+public class DemoMapperTest {
+
+    @Autowired
+    DemoMapper demoMapper;
+
+    @Test
+    public void test() {
+        System.out.println(demoMapper.getOne());
+        System.out.println(demoMapper.getTwo());
+    }
+
+}