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42 lines
754 B
42 lines
754 B
package com.wyz.demo.dao;
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import com.wyz.demo.po.UserPO;
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import java.util.List;
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public interface UserRepository {
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// 添加用户
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public void addUser(UserPO user);
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/**
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* 判断用户名是否存在
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* 根据 username 获取用户
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* @return
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*/
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public UserPO getUserByUsername(String username);
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/**
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* 根据 username 获取 用户id
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* @Param username
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* @return id
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*/
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public int getIdByUsername(String username);
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/**
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* 根据 用户id 获取 username
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* @Param id
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* @return username
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*/
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public String getUsernameById(int id);
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// 查找用户: 根据id 获取 用户
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public UserPO getUserById(int id);
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}
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