mybatis association和collection标签怎么用

1. <resultMap type="Bill" id="ResultBill">
2. <id property="id" column="id"/>
3. <result property="dh" column="dh"  />
4. <result property="rq" column="rq"/>
5. <association property="author"  javaType="Author"  >
6. <id  property="id"  column="idAutor" />
7. <result property="name" column="authorName" />
8. <result property="email" column="authorEmail"/>
9. </association>
10. <collection property="det1"  javaType="ArrayList" ofType="BillDet1" >
11. <id property="id" column="idDet1"/>
12. <result property="dh" column="dhDet1"/>
13. <result property="wlbm" column="wlbm"/>
14. <result property="wlmc" column="wlmc"/>
15. <result property="unit" column="unit"/>
16. <result property="qty" column="qty"/>
17. </collection>

1. </resultMap>

1. <resultMap type="com.sailod.shiro.dto.HtAuthorityMenuDTO" id="OneMenuAuthority">
2. <id property="htAuthorityId" column="htAuthorityId" javaType="java.lang.Long" />
3. <result property="name" column="name" javaType="java.lang.String" />
4. <result property="currentUserId" column="currentUserId" javaType="java.lang.Long" />
5. <collection property="htAuthorityDTO"  ofType="com.sailod.shiro.dto.HtAuthorityDTO"
6. select="selectAuthority" column="{htAuthorityId2 = htAuthorityId ,currentUserId2 = currentUserId}"   >
7. </collection>
8. </resultMap>