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feat(mf): 增加未匹配列的自定义处理拓展接口 ,增加测试用例等

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This commit is contained in:
ArthurWang 2024-09-12 14:39:21 +08:00
parent 9e6f4fe357
commit 23d50e898c
7 changed files with 267 additions and 0 deletions
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15
mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/UnMappedColumnHandler.java
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@ -1,3 +1,18 @@
/*
* Copyright (c) 2022-2025, Mybatis-Flex (fuhai999@gmail.com).
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mybatisflex.core.mybatis;
import org.apache.ibatis.reflection.MetaObject;

2
mybatis-flex-test/mybatis-flex-spring-boot-test/src/main/java/com/mybatisflex/test/MyConfigurationCustomizer.java
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@ -23,6 +23,7 @@ import com.mybatisflex.core.datasource.DataSourceProperty;
import com.mybatisflex.core.mybatis.FlexConfiguration;
import com.mybatisflex.spring.boot.ConfigurationCustomizer;
import com.mybatisflex.spring.boot.MyBatisFlexCustomizer;
import com.mybatisflex.test.unmapped.MyUnMappedColumnHandler;
import org.apache.ibatis.logging.stdout.StdOutImpl;
import org.springframework.context.annotation.Configuration;
@ -55,6 +56,7 @@ public class MyConfigurationCustomizer implements ConfigurationCustomizer, MyBat
return value;
};
DataSourceManager.setDecipher(decipher);
globalConfig.setUnMappedColumnHandler(new MyUnMappedColumnHandler());
}
}

35
mybatis-flex-test/mybatis-flex-spring-boot-test/src/main/java/com/mybatisflex/test/model/UnmappedBaseEntity.java Normal file
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@ -0,0 +1,35 @@
/*
* Copyright (c) 2022-2025, Mybatis-Flex (fuhai999@gmail.com).
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mybatisflex.test.model;
import lombok.Getter;
import lombok.Setter;
import java.util.Map;
/**
* UnMappedBaseEntity
*
* @author wy
* @version 1.0
* @date 2024/9/12 11:36
**/
@Getter
@Setter
public class UnmappedBaseEntity {
protected Map<String, Object> unmappedMap;
}

53
mybatis-flex-test/mybatis-flex-spring-boot-test/src/main/java/com/mybatisflex/test/model/UnmappedUser.java Normal file
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@ -0,0 +1,53 @@
/*
* Copyright (c) 2022-2025, Mybatis-Flex (fuhai999@gmail.com).
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mybatisflex.test.model;
import com.mybatisflex.annotation.Id;
import com.mybatisflex.annotation.KeyType;
import com.mybatisflex.annotation.Table;
import lombok.Getter;
import lombok.Setter;
import org.springframework.util.CollectionUtils;
/**
* UnMapped
*
* @author wy
* @version 1.0
* @date 2024/9/12 11:28
**/
@Getter
@Setter
@Table("tb_unmapped_user")
public class UnmappedUser extends UnmappedBaseEntity {
@Id(keyType = KeyType.Auto)
private Long id;
private Integer age;
private String name;
@Override
public String toString() {
return "UnmappedUser{" +
"id='" + id + '\'' +
", name='" + name + '\'' +
", age=" + age +
(CollectionUtils.isEmpty(unmappedMap) ? "" : ", unmappedMap=" + unmappedMap.toString())
+ '}';
}
}

46
mybatis-flex-test/mybatis-flex-spring-boot-test/src/main/java/com/mybatisflex/test/unmapped/MyUnMappedColumnHandler.java Normal file
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@ -0,0 +1,46 @@
/*
* Copyright (c) 2022-2025, Mybatis-Flex (fuhai999@gmail.com).
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mybatisflex.test.unmapped;
import com.mybatisflex.core.mybatis.UnMappedColumnHandler;
import com.mybatisflex.test.model.UnmappedBaseEntity;
import org.apache.ibatis.reflection.MetaObject;
import java.util.HashMap;
import java.util.Map;
/**
* MyUnMappedColumnHandler
*
* @author wy
* @version 1.0
* @date 2024/9/12 11:34
**/
public class MyUnMappedColumnHandler implements UnMappedColumnHandler {
@Override
public void handleUnMappedColumn(MetaObject metaObject, String unmappedColumnName, Object value) {
if (metaObject.getOriginalObject() instanceof UnmappedBaseEntity){
Object object = metaObject.getValue("unmappedMap");
if(object == null){
Map<String, Object> map = new HashMap<>();
map.put(unmappedColumnName, value);
metaObject.setValue("unmappedMap", map);
}else {
((Map)object).put(unmappedColumnName, value);
}
}
}
}

21
mybatis-flex-test/mybatis-flex-spring-boot-test/src/main/resources/unmapped_user.sql Normal file
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@ -0,0 +1,21 @@
-- ----------------------------
-- Table structure for tb_unmapped_user
-- ----------------------------
DROP TABLE IF EXISTS `tb_unmapped_user`;
CREATE TABLE `tb_unmapped_user`
(
`id` bigint primary key AUTO_INCREMENT,
`name` varchar(100) NULL DEFAULT NULL,
`age` int NULL DEFAULT NULL,
`code` int NULL DEFAULT NULL
)
-- ----------------------------
-- Records of tb_unmapped_user
-- ----------------------------
INSERT INTO `tb_unmapped_user`
VALUES (1, '张三', 28, 64);
INSERT INTO `tb_unmapped_user`
VALUES (2, '李四', 15, 128);
INSERT INTO `tb_unmapped_user`
VALUES (3, '王五', 9, 256);

95
mybatis-flex-test/mybatis-flex-spring-boot-test/src/test/java/com/mybatisflex/test/mapper/UnmappedUserMapperTest.java Normal file
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@ -0,0 +1,95 @@
/*
* Copyright (c) 2022-2025, Mybatis-Flex (fuhai999@gmail.com).
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mybatisflex.test.mapper;
import com.mybatisflex.core.query.QueryColumn;
import com.mybatisflex.core.query.QueryMethods;
import com.mybatisflex.core.query.QueryWrapper;
import com.mybatisflex.test.model.UnmappedUser;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import java.util.List;
import static com.mybatisflex.test.model.table.UnmappedUserTableDef.UNMAPPED_USER;
/**
* UnMappedUserMapperTest
*
* @author wy
* @version 1.0
* @date 2024/9/12 11:39
**/
@SpringBootTest
@SuppressWarnings("all")
public class UnmappedUserMapperTest {
@Autowired
private UnmappedUserMapper unmappedUserMapper;
/**
* 额外字段查询，数据库中有，但是实体类中没有
* 应用：前端具有一定查询数据库能力时，不改后端代码情况下，返回新增字段数据
*/
@Test
void testExtraColumn() {
QueryWrapper queryWrapper = QueryWrapper.create()
.select(UNMAPPED_USER.ID, UNMAPPED_USER.AGE, UNMAPPED_USER.NAME,
// 额外字段查询
new QueryColumn("code"))
.where(UNMAPPED_USER.ID.in(1, 2, 3));
List<UnmappedUser> unmappedUserList = unmappedUserMapper.selectListByQuery(queryWrapper);
System.out.println(unmappedUserList);
}
/**
* 同名字段
* 多数据源下同表同名字段不同含义或者需要同时展示
*/
@Test
void testSameColumn() {
// 可能多数据源下会存在同表同名字段不同值
QueryWrapper queryWrapper = QueryWrapper.create()
.select(UNMAPPED_USER.ID, UNMAPPED_USER.AGE, UNMAPPED_USER.NAME,
// 同名字段重置
UNMAPPED_USER.NAME.as("ext_name"))
.where(UNMAPPED_USER.ID.in(1, 2, 3));
List<UnmappedUser> unmappedUserList = unmappedUserMapper.selectListByQuery(queryWrapper);
System.out.println(unmappedUserList);
}
/**
* 计算或者处理的字段
* sql中进行处理的字段，不直接映射到实体类上的域
*/
@Test
void testCalColumn() {
QueryWrapper queryWrapper = QueryWrapper.create()
.select(UNMAPPED_USER.ID, UNMAPPED_USER.NAME, UNMAPPED_USER.AGE,
// 字段计算结果
QueryMethods.case_()
.when(UNMAPPED_USER.AGE.ge(18)).then("adult")
.when(UNMAPPED_USER.AGE.le(14)).then("child")
.else_("juvenile")
.end()
.as("age_group"))
.where(UNMAPPED_USER.ID.in(1, 2, 3));
List<UnmappedUser> unmappedUserList = unmappedUserMapper.selectListByQuery(queryWrapper);
System.out.println(unmappedUserList);
}
}