Mybatis Plus 自定義sql
阿新 • • 發佈:2020-10-08
匯入依賴(mybatis-plus的版本要大於3.1.2,這裡使用的是3.2.0,不然會報錯)
pom.xml
<!-- mybatis-plus--> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>3.2.0</version> </dependency>
實體類
這裡就不貼程式碼了哈,把自己需要查詢的欄位放到Vo中就好了。
mapper層
@Select("select member.*,shipping_address.* from member left join shipping_address on member.member_id=shipping_address.member_id")
IPage<UsersAddressVo> selectUserListPage(Page<UsersAddressVo> page, UsersAddressVo usersAddressVo);
service層
@Select("select member.*,shipping_address.* from member left join shipping_address on member.member_id=shipping_address.member_id")
IPage<UsersAddressVo> selectUserListPage(UsersAddressVo usersAddressVo, Integer pageNum, Integer pageSize);
service業務實現層
@Override
public IPage<UsersAddressVo> selectUserListPage(UsersAddressVo usersAddressVo, Integer pageNum, Integer pageSize) {
Page <UsersAddressVo> iPage = new Page<UsersAddressVo>(pageNum, pageSize);
IPage<UsersAddressVo> memberList = memberMapper.selectUserListPage(iPage, usersAddressVo);
return memberList;
}
controller層
@GetMapping("/uniteList")
public TableDataInfo uniteTable(UsersAddressVo usersAddressVo, @RequestParam("pageNum") Integer pageNum, @RequestParam("pageSize") Integer pageSize){
IPage<UsersAddressVo> memberIPage = memberService.selectUserListPage(usersAddressVo, pageNum, pageSize);
List<UsersAddressVo> records = memberIPage.getRecords();
return getDataTable(records);
}
本地測試
@Test
public void contextLoads() {
Page<UsersAddressVo> pages=new Page<>(1,10);
memberMapper.selectUserListPage(pages,null);
}
postman測試如下: