各位大家好:
谁能告诉我一下在Hibernate中建立单表之间的映射,应该怎么来设置。
谁能告诉我一下在Hibernate中建立单表之间的映射,应该怎么来设置。
解决方案 »
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<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" ><hibernate-mapping package="com.jeecms.cms.entity">
<class name="CmsComment" table="CMS_COMMENT">
<meta attribute="sync-DAO">false</meta>
<id name="id" type="java.lang.Long" column="COMMENT_ID">
<generator class="native" />
</id> <property name="title" column="TITLE" type="string" not-null="false"
length="200" />
<property name="contentMember" column="CONTENT_MEMBER" type="string"
not-null="false" />
<property name="contentAdmin" column="CONTENT_ADMIN" type="string"
not-null="false" />
<property name="createTime" column="CREATE_TIME" type="timestamp"
not-null="false" />
<property name="ip" column="IP" type="string" not-null="false"
length="50" />
</class>
</hibernate-mapping>
字段
id int类型 自动增长 主键
name varchar 不weikong程序:
实例类:public class User { private int id;
private String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}映射文件:
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="包名.User" table="user">
<id name="id" type="java.lang.Integer">
<column name="adminId" />
<generator class="native" />
</id>
<property name="name" type="java.lang.String">
<column name="name" length="50" not-null="true" />
</property>
</class>
</hibernate-mapping>hibernate的映射文件就不写了!