mybatis 模糊查询 like

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1.  参数中直接加入%%

　　param.setUsername("%CD%");
      param.setPassword("%11%");

	<select  id="selectPersons" resultType="person" parameterType="person">
		select id,sex,age,username,password from person where true 
			<if test="username!=null"> AND username LIKE #{username}</if>
			<if test="password!=null">AND password LIKE #{password}</if>
	
	</select>

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>

3. CONCAT

where username LIKE CONCAT(‘%‘,‘username‘,‘%‘)---mysql数据库

where username LIKE CONCAT(‘%‘,CONCAT(#{name},‘%‘)) ---oracle

mybatis 模糊查询 like

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原文地址：http://www.cnblogs.com/wuyun-blog/p/5830645.html