题记部分
(1)mapper类
List<User> getUserLike(String value);
(2)mapper.xml
<!-- 写法1 -->
<select id="getUserLike" resultType="com.harley.pojo.User">select * from user where name like #{value}
</select><!-- 写法2 -->
<select id="getUserLike" resultType="com.harley.pojo.User">select * from user where name like '%${value}%'
</select>
(3)测试类
代码执行的时候使用通配符
%keyword%
// 写法1
@Test
public void getUserLike(){List<User> userList = userMapper.getUserLike("%日%");for (User user : userList) {System.out.println(user.toString());}
}// 写法2
@Test
public void getUserLike(){List<User> userList = userMapper.getUserLike("日");for (User user : userList) {System.out.println(user.toString());}
}
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