hibernate关系映射xml
一对一
一的一方 java
private CharityCampReport reportId;
xml
<one-to-one name="reportId" class="com.yxtar.server.dto.CharityCampReport" cascade="all" property-ref="charityCampId"></one-to-one>
对应的另一个一的一方 java
private CharityCamp charityCampId;
xml
<many-to-one name="charityCampId" class="com.yxtar.server.dto.CharityCamp" unique="true">
<column name="charityCampId" />
</many-to-one>
一对多
一的一方 java
private Advertiser advertiserId;
xml
<many-to-one name="advertiserId" class="com.yxtar.server.dto.Advertiser" lazy="false" fetch="select">
<column name="advertiserId" />
</many-to-one>
多的一方 java
private Set<MoneyInRecord> moneyInRecords;
xml
<set name="moneyInRecords" lazy="false" cascade="all" order-by="id desc">
<key>
<column name="advertiserId" />
</key>
<one-to-many class="com.yxtar.server.dto.MoneyInRecord"/>
</set>
多对多
多的一方 java
private Set<CharityFund> charityFunds;
xml
<set name="charityFunds" table="camp_fund_relation">
<key column="camp_id"/>
<many-to-many class="com.yxtar.server.dto.CharityFund" column="fund_id"/>
</set>
多的一方 java
private Set<CharityCamp> charityCamps;
xml
<set name="charityCamps" table="camp_fund_relation">
<key column="fund_id"/>
<many-to-many class="com.yxtar.server.dto.CharityCamp" column="camp_id"/>
</set>