One2One主键关联的实现
主键关联,产生主键的是A类,与A相同主键的是B类
主键对应的A类,hbm.xml文件与.cs文件均无任何特别,与单表相同
与A相同的主键B类,
Hbm.xml文件:
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注意generator处的写法。刚开始写成――错误的写法
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注意到了吗?param是generator的参数,要放在generator的内部的,它的值是cs中声明的名称。
Cs 文件
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要引用产生主键的A类。
在保存的时候,可以直接保存与A相同主键的B类,A类的数据将自动保存。
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