6 - 实现 - 2 - controller - 分类controller.java

新建Package

controller

新建Class

xxxcontroller

xxxcontroller.java - 用HashMap组合数据

@GetMapping("findByMapParams")
public ResultMsg findByMapParams(Short gender,String age)
{
    Map params = new HashMap<>();
    params.put("gender",gender);
    params.put("age",age);
    List result= employeeMapper.selectByMapParams(params);
    return ResultMsg.getMsg(result);
}