springboot分页查询——pagehelper_springboot 怎么集成pagehealper -baijiahao

1导入相应的包

	<dependency>
      <groupId>com.github.pagehelper</groupId>
      <artifactId>pagehelper-spring-boot-starter</artifactId>
      <version>1.2.3</version>
    </dependency>
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2yml中配置相应文件

pagehelper:
    helperDialect: mysql
    reasonable: true
    supportMethodsArguments: true
    params: count=countSql
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3mapper层

//查询页面所有数据
    List<Employee> queryForList(Object query);
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4.service

/分页查询（page是list集合）
    Page<Employee> queryForPage(Object query);
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impl

 @Override
    public Page<Employee> queryForPage(Object query) {
        //设置当前页，和每页条数
        PageHelper.startPage(1, 10);
        //查询获得所有页数
        List<Employee> employees = employeeMapper.queryForList(query);
        //强转
        Page<Employee> page = (Page<Employee>)employees;
        return page;
    }
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mapper.xml

<select id="queryForList" resultType="cn.itsource.springboot.domain.Employee">
        select
        id,
        username,
        password
        from t_employee
    </select>
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controller

//分页查询
    @RequestMapping("/page")
    @ResponseBody
    public Page<Employee> queryForList(){
        //需要放一个query进去
        return employeeService.queryForPage(new Object());
    }
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