有三个类
innerInvoice表中: iiNO(PK);
outerInvoice表中: oiNO(PK);
proItem表中: invoiceNO(FK1,FK2);即该项同时做以上两个表的外键
我在proItem.hbm.xml中该怎么映射呢?本以为是这么映射
proItem类:
private InnerInvoice invoice; //发票(FK)
private OuterInvoice applyForm; //开票申请单(FK)
映射文件:
但这样映射会报:Repeated column in mapping for entity