third_codes/mybatis-plus-join
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分页参数优化

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yulichang 2023-01-12 10:04:47 +08:00
parent b80b747e07
commit 3d33afc08d
3 changed files with 11 additions and 12 deletions
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12
mybatis-plus-join-core/src/main/java/com/github/yulichang/base/mapper/MPJJoinMapper.java
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@ -21,7 +21,7 @@ public interface MPJJoinMapper<T> extends BaseMapper<T> {
*
* @param wrapper joinWrapper
*/
Integer selectJoinCount(@Param(Constants.WRAPPER) MPJBaseJoin<T> wrapper);
Long selectJoinCount(@Param(Constants.WRAPPER) MPJBaseJoin<T> wrapper);
/**
* 连表查询返回一条记录
@ -62,15 +62,15 @@ public interface MPJJoinMapper<T> extends BaseMapper<T> {
* @param clazz resultType
* @param <DTO> 分页返回对象
*/
<DTO, P extends IPage<?>> IPage<DTO> selectJoinPage(P page,
@Param(Constant.CLAZZ) Class<DTO> clazz,
@Param(Constants.WRAPPER) MPJBaseJoin<T> wrapper);
<DTO, P extends IPage<DTO>> P selectJoinPage(P page,
@Param(Constant.CLAZZ) Class<DTO> clazz,
@Param(Constants.WRAPPER) MPJBaseJoin<T> wrapper);
/**
* 连表查询返回Map集合并分页
*
* @param wrapper joinWrapper
*/
<P extends IPage<?>> IPage<Map<String, Object>> selectJoinMapsPage(P page,
@Param(Constants.WRAPPER) MPJBaseJoin<T> wrapper);
<P extends IPage<Map<String, Object>>> P selectJoinMapsPage(P page,
@Param(Constants.WRAPPER) MPJBaseJoin<T> wrapper);
}

7
mybatis-plus-join-core/src/main/java/com/github/yulichang/base/service/MPJJoinService.java
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@ -18,7 +18,7 @@ public interface MPJJoinService<T> extends IService<T> {
/**
* 根据 Wrapper 条件，查询总记录数
*/
default Integer selectJoinCount(MPJBaseJoin<T> wrapper) {
default Long selectJoinCount(MPJBaseJoin<T> wrapper) {
return ((MPJBaseMapper<T>) getBaseMapper()).selectJoinCount(wrapper);
}
@ -39,7 +39,7 @@ public interface MPJJoinService<T> extends IService<T> {
/**
* 连接查询返回集合并分页
*/
default <DTO, P extends IPage<?>> IPage<DTO> selectJoinListPage(P page, Class<DTO> clazz, MPJBaseJoin<T> wrapper) {
default <DTO, P extends IPage<DTO>> P selectJoinListPage(P page, Class<DTO> clazz, MPJBaseJoin<T> wrapper) {
return ((MPJBaseMapper<T>) getBaseMapper()).selectJoinPage(page, clazz, wrapper);
}
@ -60,8 +60,7 @@ public interface MPJJoinService<T> extends IService<T> {
/**
* 连接查询返回Map集合并分页
*/
default <P extends IPage<Map<String, Object>>> IPage<Map<String, Object>> selectJoinMapsPage(
P page, MPJBaseJoin<T> wrapper) {
default <P extends IPage<Map<String, Object>>> P selectJoinMapsPage(P page, MPJBaseJoin<T> wrapper) {
return ((MPJBaseMapper<T>) getBaseMapper()).selectJoinMapsPage(page, wrapper);
}
}

4
mybatis-plus-join-test/test-join/src/test/java/com/github/yulichang/test/join/LambdaWrapperTest.java
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@ -519,7 +519,7 @@ class LambdaWrapperTest {
*/
@Test
void test1() {
Page<Object> page = new Page<>(1, 10);
Page<UserDTO> page = new Page<>(1, 10);
page.setSearchCount(false);
IPage<UserDTO> iPage = userMapper.selectJoinPage(page, UserDTO.class,
MPJWrappers.<UserDO>lambdaJoin()
@ -594,7 +594,7 @@ class LambdaWrapperTest {
.select(AddressDO.class, p -> true)
.leftJoin(AddressDO.class, AddressDO::getUserId, UserDO::getId)
.eq(UserDO::getId, 1);
IPage<UserDTO> page = userMapper.selectJoinPage(new Page<>(1, 10), UserDTO.class, wrapper);
Page<UserDTO> page = userMapper.selectJoinPage(new Page<>(1, 10), UserDTO.class, wrapper);
assert page.getRecords().get(0).getAddress() != null;
page.getRecords().forEach(System.out::println);
}