数据库的模糊查询mybatis
<!-- oracle --> <select id="searchUserBySearchName" parameterType="java.lang.String" resultType="com.urm.entity.User"> select * from t_user where user_name like CONCAT('%',#{search_name},'%') </select> <!-- 或者 --> <select id="searchUserBySearchName" parameterType="java.lang.String" resultType="com.urm.entity.User"> select * from t_user where user_name like '%'||#{search_name}||'%' </select> <!-- mysql --> <select id="searchUserBySearchName" parameterType="java.lang.String" resultType="com.urm.entity.User"> select * from t_user where user_name like CONCAT('%',#{search_name},'%') </select> <!-- sql server --> <select id="searchUserBySearchName" parameterType="java.lang.String" resultType="com.urm.entity.User"> select * from t_user where user_name like '%'+#{search_name}+'%' </select> <!-- db2 --> <select id="searchUserBySearchName" parameterType="java.lang.String" resultType="com.urm.entity.User"> select * from t_user where user_name like CONCAT('%',#{search_name},'%') </select> <!-- 或者 --> <select id="searchUserBySearchName" parameterType="java.lang.String" resultType="com.urm.entity.User"> select * from t_user where user_name like '%'||#{search_name}||'%' </select>