基于主键类的复合主键
//主键类要实现serializable接口
Public class TUserPK implements Serializable{
private String firstname;
private String lasttname;
//getter and setter ...
}...
<composite-id name="userpk" class="TUserPK">
<key-property
name="lastname"
column="lastname"
type="String"
/>
<key-property
name="lastname"
column="lastname"
type="String"
/>
/composite-id>
...那个主键类可以是别的表的字段
//主键类要实现serializable接口
Public class TUserPK implements Serializable{
private String firstname;
private String lasttname;
//getter and setter ...
}...
<composite-id name="userpk" class="TUserPK">
<key-property
name="lastname"
column="lastname"
type="String"
/>
<key-property
name="lastname"
column="lastname"
type="String"
/>
/composite-id>
...那个主键类可以是别的表的字段
解决方案 »
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