✨ 新增 ActiveRecord 模式操作

spring-boot-demo-orm-mybatis-plus/src/main/java/com/xkcoding/orm/mybatis/plus/entity/Role.java

@@ -0,0 +1,43 @@
+package com.xkcoding.orm.mybatis.plus.entity;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.extension.activerecord.Model;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+
+/**
+ * <p>
+ * 角色实体类
+ * </p>
+ *
+ * @author yangkai.shen
+ * @date Created in 2019/9/14 14:04
+ */
+@Data
+@TableName("orm_role")
+@Accessors(chain = true)
+@EqualsAndHashCode(callSuper = true)
+public class Role extends Model<Role> {
+    /**
+     * 主键
+     */
+    private Long id;
+
+    /**
+     * 角色名
+     */
+    private String name;
+
+    /**
+     * 主键值，ActiveRecord 模式这个必须有，否则 xxById 的方法都将失效！
+     * 即使使用 ActiveRecord 不会用到 RoleMapper，RoleMapper 这个接口也必须创建
+     */
+    @Override
+    protected Serializable pkVal() {
+
+        return this.id;
+    }
+}

spring-boot-demo-orm-mybatis-plus/src/main/java/com/xkcoding/orm/mybatis/plus/mapper/RoleMapper.java

@@ -0,0 +1,15 @@
+package com.xkcoding.orm.mybatis.plus.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.xkcoding.orm.mybatis.plus.entity.Role;
+
+/**
+ * <p>
+ * RoleMapper
+ * </p>
+ *
+ * @author yangkai.shen
+ * @date Created in 2019/9/14 14:06
+ */
+public interface RoleMapper extends BaseMapper<Role> {
+}

spring-boot-demo-orm-mybatis-plus/src/main/resources/db/data.sql

@@ -1,2 +1,4 @@
 INSERT INTO `orm_user`(`id`,`name`,`password`,`salt`,`email`,`phone_number`) VALUES (1, 'user_1', 'ff342e862e7c3285cdc07e56d6b8973b', '412365a109674b2dbb1981ed561a4c70', '[email protected]', '17300000001');
-INSERT INTO `orm_user`(`id`,`name`,`password`,`salt`,`email`,`phone_number`) VALUES (2, 'user_2', '6c6bf02c8d5d3d128f34b1700cb1e32c', 'fcbdd0e8a9404a5585ea4e01d0e4d7a0', '[email protected]', '17300000002');
+INSERT INTO `orm_user`(`id`,`name`,`password`,`salt`,`email`,`phone_number`) VALUES (2, 'user_2', '6c6bf02c8d5d3d128f34b1700cb1e32c', 'fcbdd0e8a9404a5585ea4e01d0e4d7a0', '[email protected]', '17300000002');
+
+INSERT INTO `orm_role`(`id`,`name`) VALUES (1,'管理员'),(2,'普通用户');

spring-boot-demo-orm-mybatis-plus/src/main/resources/db/schema.sql

@@ -11,3 +11,9 @@ CREATE TABLE `orm_user` (
   `last_login_time` DATETIME DEFAULT NULL COMMENT '上次登录时间',
   `last_update_time` DATETIME NOT NULL DEFAULT NOW() COMMENT '上次更新时间'
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Spring Boot Demo Orm 系列示例表';
+
+DROP TABLE IF EXISTS  `orm_role`;
+CREATE TABLE `orm_role` (
+  `id` INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT '主键',
+  `name` VARCHAR(32) NOT NULL UNIQUE COMMENT '角色名'
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Spring Boot Demo Orm 系列示例表';

spring-boot-demo-orm-mybatis-plus/src/test/java/com/xkcoding/orm/mybatis/plus/activerecord/ActiveRecordTest.java

@@ -0,0 +1,65 @@
+package com.xkcoding.orm.mybatis.plus.activerecord;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
+import com.xkcoding.orm.mybatis.plus.SpringBootDemoOrmMybatisPlusApplicationTests;
+import com.xkcoding.orm.mybatis.plus.entity.Role;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.List;
+
+/**
+ * <p>
+ * Role
+ * </p>
+ *
+ * @author yangkai.shen
+ * @date Created in 2019/9/14 14:19
+ */
+@Slf4j
+public class ActiveRecordTest extends SpringBootDemoOrmMybatisPlusApplicationTests {
+    /**
+     * 测试 ActiveRecord 插入数据
+     */
+    @Test
+    public void testActiveRecordInsert() {
+        Role role = new Role();
+        role.setName("VIP");
+        Assert.assertTrue(role.insert());
+        // 成功直接拿会写的 ID
+        log.debug("【role】= {}", role);
+    }
+
+    /**
+     * 测试 ActiveRecord 更新数据
+     */
+    @Test
+    public void testActiveRecordUpdate() {
+        Assert.assertTrue(new Role().setId(1L).setName("管理员-1").updateById());
+        Assert.assertTrue(new Role().update(new UpdateWrapper<Role>().lambda().set(Role::getName, "普通用户-1").eq(Role::getId, 2)));
+    }
+
+    /**
+     * 测试 ActiveRecord 查询数据
+     */
+    @Test
+    public void testActiveRecordSelect() {
+        Assert.assertEquals("管理员", new Role().setId(1L).selectById().getName());
+        Role role = new Role().selectOne(new QueryWrapper<Role>().lambda().eq(Role::getId, 2));
+        Assert.assertEquals("普通用户", role.getName());
+        List<Role> roles = new Role().selectAll();
+        Assert.assertTrue(roles.size() > 0);
+        log.debug("【roles】= {}", roles);
+    }
+
+    /**
+     * 测试 ActiveRecord 删除数据
+     */
+    @Test
+    public void testActiveRecordDelete() {
+        Assert.assertTrue(new Role().setId(1L).deleteById());
+        Assert.assertTrue(new Role().delete(new QueryWrapper<Role>().lambda().eq(Role::getName, "普通用户")));
+    }
+}