hibernate 的解决方案选择.两种方式.你认为哪种最好?

Question

这么认真!
还真不知所以然!

Answer 1

1和2的区别在于一个是由数据库完成 一个是由程序完成，这就看个人喜好了
无所谓好不好吧

Answer 2

我比较喜欢方案2啊，我现在正在做得这个项目用的方案2，用了之后，感觉很好。

Answer 3

<?xml version="1.0"?><!DOCTYPE hibernate-mapping PUBLIC
    "-//Hibernate/Hibernate Mapping DTD 2.0//EN" 
    "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd"><hibernate-mapping>
    <class
        name="net.ggoo.groupbuy.entity.GroupBuy"
        table="tbGroupBuyInfo"
        dynamic-update="false"
        dynamic-insert="false"
    >        <id
            name="id"
            column="id"
            type="java.lang.Long"
            unsaved-value="null"
        >
            <generator class="native">
            </generator>
        </id>        <many-to-one
            name="businessInfo"
            class="net.ggoo.partymanage.entity.BusinessInfo"
            cascade="none"
            outer-join="auto"
            update="true"
            insert="true"
            column="bid"
        />        <property
            name="cbGBIntro"
            type="java.sql.Clob"
            update="true"
            insert="true"
            column="cbGBIntro"
        />        <property
            name="CState"
            type="int"
            update="true"
            insert="true"
            column="CState"
        />        <property
            name="CStatPrice"
            type="int"
            update="true"
            insert="true"
            column="CStatPrice"
        />        <property
            name="dtDate"
            type="java.lang.Long"
            update="true"
            insert="true"
            column="dtDate"
        />        <property
            name="dtEDate"
            type="java.lang.Long"
            update="true"
            insert="true"
            column="dtEDate"
        />        <property
            name="dtSDate"
            type="java.lang.Long"
            update="true"
            insert="true"
            column="dtSDate"
        />        <property
            name="IBuyNum"
            type="int"
            update="true"
            insert="true"
            column="IBuyNum"
        />        <property
            name="ICount"
            type="int"
            update="true"
            insert="true"
            column="ICount"
        />        <many-to-one
            name="shopClass"
            class="net.ggoo.shop.entity.ShopClass"
            cascade="none"
            outer-join="auto"
            update="true"
            insert="true"
            column="sid"
        />        <property
            name="shopIntro"
            type="java.sql.Clob"
            update="true"
            insert="true"
            column="shopIntro"
        />        <property
            name="vcFileName"
            type="java.lang.String"
            update="true"
            insert="true"
            column="vcFileName"
        />        <property
            name="vcGBPrice"
            type="java.lang.String"
            update="true"
            insert="true"
            column="vcGBPrice"
        />        <property
            name="vcSPrice"
            type="java.lang.String"
            update="true"
            insert="true"
            column="vcSPrice"
        />        <property
            name="vcTitle"
            type="java.lang.String"
            update="true"
            insert="true"
            column="vcTitle"
        />        <property
            name="vcShopNum"
            type="java.lang.String"
            update="true"
            insert="true"
            column="vcShopNum"
        />        <many-to-one
            name="city"
            class="net.ggoo.basecode.entity.City"
            cascade="none"
            outer-join="auto"
            update="true"
            insert="true"
            column="cid"
        />        <property
            name="buyNum"
            type="int"
            update="true"
            insert="true"
            column="buyNum"
        />        <property
            name="groupbuyState"
            type="java.lang.String"
            update="true"
            insert="true"
            column="groupbuyState"
        />        <!--
            To add non XDoclet property mappings, create a file named
                hibernate-properties-GroupBuy.xml
            containing the additional properties and place it in your merge dir.
        -->    </class></hibernate-mapping>