21 lines
348 B
Java
21 lines
348 B
Java
package cn.odliken.service;
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import cn.odliken.pojo.Stu;
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/**
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* @author: Clay
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* @date: 2022/1/25 14:05
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* @description：StuService
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* @email: clay@hchyun.com
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*/
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public interface UserService {
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/**
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* 判断用户名是否存在
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* @param username
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* @return
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*/
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public boolean queryUSerNameIsExist(String username);
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}
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