Mybatis-Plus如何配置分页对象
2022-11-13 14:11:37
mybatis
配置类
package com.xiaoge.config;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration // 放在ioc容器中
@MapperScan(basePackages = {"com.xiaoge.mapper"}) // 扫描对应的mapper接口文件包
public class MybatisPlusConfig {
// 必须要加Bean
@Bean
public PaginationInterceptor paginationInterceptor() {
return new PaginationInterceptor();
}
}
SysUserController
package com.xiaoge.controller;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.xiaoge.anno.Log;
import com.xiaoge.domain.SysUser;
import com.xiaoge.service.SysUserService;
import io.swagger.annotations.api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.Http.ResponseEntity;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.WEB.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@Api(tags = "后台用户接口")
@RestController
@RequestMapping("sys/user")
public class SysUserController {
@Autowired
private SysUserService sysUserService;
@ApiOperation("分页查询管理员列表")
@GetMapping("page")
@Log(operation = "分页查询管理员列表")
public ResponseEntity<IPage<SysUser>> getSysUserPage(Page<SysUser> page, SysUser sysUser) {
IPage<SysUser> sysUserIPage = sysUserService.findSysUserByPage(page, sysUser);
return ResponseEntity.ok(sysUserIPage);
}
}
SysUserService
package com.xiaoge.service;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.IService;
import com.xiaoge.domain.SysUser;
public interface SysUserService extends IService<SysUser>{
IPage<SysUser> findSysUserByPage(Page<SysUser> page, SysUser sysUser);
}
SysUserServiceImpl
package com.xiaoge.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.metadata.OrderItem;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xiaoge.domain.SysUser;
import com.xiaoge.mapper.SysUserMapper;
import com.xiaoge.service.SysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
@Service
public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser> implements SysUserService{
@Autowired
private SysUserMapper sysUserMapper;
@Override
public IPage<SysUser> findSysUserByPage(Page<SysUser> page, SysUser sysUser) {
page.addOrder(OrderItem.desc("create_time"));
return sysUserMapper.selectPage(page, new LambdaQueryWrapper<SysUser>()
.like(!StringUtils.isEmpty(sysUser.getUsername()), SysUser::getUsername, sysUser.getUsername())
.eq(!ObjectUtils.isEmpty(sysUser.getStatus()), SysUser::getStatus, sysUser.getStatus()));
}
}
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