mybatis注解sql使用判断if踩坑

@Select("<script>" +"select u.*,z.dname,group_concat(r.name) rnames" +
           "from user u " +
           "left join ztree z on u.bid = z.id" +
           "left join tsturole m on u.id = m.sid" +
           "left join trole r on m.rid = r.id" +
           "where 1=1" +
           "<if test='bid!= null and bid!='' '>and u.bid=#{bid} </if>" +
           "<if test='condition !=null and condition != '' ' >and ${condition} = #{content}</if>" +
           "group by username" +
           "</script>")
    List<User> queryStudents(@Param("bid") String bid,@Param("condition")String condition ,@Param("content") String content);

@Select("<script>" +"select u.*,z.dname,group_concat(r.name) rnames\n" +
           "from user u " +
           "left join ztree z on u.bid = z.id\n" +
           "left join tsturole m on u.id = m.sid\n" +
           "left join trole r on m.rid = r.id\n" +
           "where 1=1" +
           "<if test='bid!= null and bid!=\"\" '>and u.bid=#{bid} </if>" +
           "<if test='condition !=null and condition != \"\" ' >and ${condition} = #{content}</if>" +
           "group by username" +
           "</script>")
    List<User> queryStudents(@Param("bid") String bid,@Param("condition")String condition ,@Param("content") String content);
    需要转义的字符
    &lt;       < 
    &gt;       >  
    &lt;&gt;   <>
    &amp;      & 
    &apos;      '
    &quot;      "