mybatis 字符串拼接00

1
 where hname like concat('%',#{selectword},'%') 字符串拼接，将%和selectword拼接成%selectword%

2

ike '%'||#{selectword}||'%'

https://www.cnblogs.com/dushan/p/4766954.html

2.  bind标签

<select id="selectPersons" resultType="person" parameterType="person">
  <bind name="pattern" value="'%' + _parameter.username + '%'" />
  select id,sex,age,username,password 
  from person
  where username LIKE #{pattern}
</select>