{"id":679,"date":"2017-10-24T15:20:00","date_gmt":"2017-10-24T07:20:00","guid":{"rendered":"http:\/\/www.netxintai.com\/?p=679"},"modified":"2018-06-13T13:55:27","modified_gmt":"2018-06-13T05:55:27","slug":"hibernate%e4%b8%adhbm-xml%e9%85%8d%e7%bd%ae%e8%af%b4%e6%98%8e","status":"publish","type":"post","link":"https:\/\/www.netxintai.com\/?p=679","title":{"rendered":"Hibernate\u4e2dhbm.xml\u914d\u7f6e\u8bf4\u660e"},"content":{"rendered":"

\u5728<\/span>Hibernate\u4e2d\uff0c\u5404\u8868\u7684\u6620\u5c04\u6587\u4ef6<\/span>\u2026.hbm.xml\u53ef\u4ee5\u901a\u8fc7\u5de5\u5177\u751f\u6210\uff0c\u4f8b\u5982\u5728\u4f7f\u7528<\/span>MyEclipse\u5f00\u53d1\u65f6\uff0c\u5b83\u63d0\u4f9b\u4e86\u81ea\u52a8\u751f\u6210\u6620\u5c04\u6587\u4ef6\u7684\u5de5\u5177\u3002\u914d\u7f6e\u6587\u4ef6\u7684\u57fa\u672c\u7ed3\u6784\u5982\u4e0b\uff1a<\/span><\/p>\n

Xml\u4ee3\u7801<\/span><\/p>\n

1         <?xml version="1.0" encoding='UTF-8'?>  \r\n2           \r\n3         <!DOCTYPE hibernate-mapping PUBLIC  \r\n4              "-\/\/Hibernate\/Hibernate Mapping DTD 3.0\/\/EN"  \r\n5              "http:\/\/hibernate.sourceforge.net\/hibernate-mapping-3.0.dtd">  \r\n6         <hibernate-mapping package="\u5305\u540d">  \r\n7            <class name="\u7c7b\u540d" table="\u8868\u540d">  \r\n8               <id name="\u4e3b\u952e\u5728java\u7c7b\u4e2d\u7684\u5b57\u6bb5\u540d" column="\u5bf9\u5e94\u8868\u4e2d\u5b57\u6bb5" type="\u7c7b\u578b ">  \r\n9                   <generator class="\u4e3b\u952e\u751f\u6210\u7b56\u7565"\/>  \r\n10           <\/id>  \r\n11       \r\n12               \u2026\u2026  \r\n13         <\/class>  \r\n14     <\/hibernate-mapping><\/pre>\n
1. <\/span>\u4e3b\u952e\uff08<\/span>id<\/span>\uff09<\/span><\/h1>\n

 <\/span>Hibernate\u7684\u4e3b\u952e\u751f\u6210\u7b56\u7565\u6709\u5982\u4e0b\u51e0\u79cd\uff1a<\/span>
 1) assigned
 \u4e3b\u952e\u7531\u5916\u90e8\u7a0b\u5e8f\u8d1f\u8d23\u751f\u6210\uff0c\u5728<\/span> save() \u4e4b\u524d\u6307\u5b9a\u3002<\/span>
 2) hilo
 \u901a\u8fc7<\/span>hi\/lo \u7b97\u6cd5\u5b9e\u73b0\u7684\u4e3b\u952e\u751f\u6210\u673a\u5236\uff0c\u9700\u8981\u989d\u5916\u7684\u6570\u636e\u5e93\u8868\u6216\u5b57\u6bb5\u63d0\u4f9b\u9ad8\u4f4d\u503c\u6765\u6e90\u3002<\/span>
 3) seqhilo
 \u4e0e<\/span>hilo \u7c7b\u4f3c\uff0c\u901a\u8fc7<\/span>hi\/lo \u7b97\u6cd5\u5b9e\u73b0\u7684\u4e3b\u952e\u751f\u6210\u673a\u5236\uff0c\u9700\u8981\u6570\u636e\u5e93\u4e2d\u7684<\/span> Sequence\uff0c\u9002\u7528\u4e8e\u652f\u6301<\/span> Sequence \u7684\u6570\u636e\u5e93\uff0c\u5982<\/span>Oracle\u3002<\/span>
 4) increment
 \u4e3b\u952e\u6309\u6570\u503c\u987a\u5e8f\u9012\u589e\u3002\u6b64\u65b9\u5f0f\u7684\u5b9e\u73b0\u673a\u5236\u4e3a\u5728\u5f53\u524d\u5e94\u7528\u5b9e\u4f8b\u4e2d\u7ef4\u6301\u4e00\u4e2a\u53d8\u91cf\uff0c\u4ee5\u4fdd\u5b58\u7740\u5f53\u524d\u7684\u6700\u5927\u503c\uff0c\u4e4b\u540e\u6bcf\u6b21\u9700\u8981\u751f\u6210\u4e3b\u952e\u7684\u65f6\u5019\u5c06\u6b64\u503c\u52a0<\/span>1\u4f5c\u4e3a\u4e3b\u952e\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u80fd\u4ea7\u751f\u7684\u95ee\u9898\u662f\uff1a\u4e0d\u80fd\u5728\u96c6\u7fa4\u4e0b\u4f7f\u7528\u3002<\/span>
 5) identity
 \u91c7\u7528\u6570\u636e\u5e93\u63d0\u4f9b\u7684\u4e3b\u952e\u751f\u6210\u673a\u5236\u3002\u5982<\/span>DB2\u3001<\/span>SQL Server\u3001<\/span>MySQL \u4e2d\u7684\u4e3b\u952e\u751f\u6210\u673a\u5236\u3002<\/span>
 6) sequence
 \u91c7\u7528\u6570\u636e\u5e93\u63d0\u4f9b\u7684<\/span> sequence \u673a\u5236\u751f\u6210\u4e3b\u952e\u3002\u5982<\/span> Oralce \u4e2d\u7684<\/span>Sequence\u3002<\/span>
 7) native
 \u7531<\/span> Hibernate \u6839\u636e\u4f7f\u7528\u7684\u6570\u636e\u5e93\u81ea\u884c\u5224\u65ad\u91c7\u7528<\/span> identity\u3001<\/span>hilo\u3001<\/span>sequence \u5176\u4e2d\u4e00\u79cd\u4f5c\u4e3a\u4e3b\u952e\u751f\u6210\u65b9\u5f0f\u3002<\/span>
 8) uuid.hex
 \u7531<\/span> Hibernate \u57fa\u4e8e<\/span>128 \u4f4d<\/span> UUID \u7b97\u6cd5<\/span> \u751f\u6210<\/span>16 \u8fdb\u5236\u6570\u503c\uff08\u7f16\u7801\u540e\u4ee5\u957f\u5ea6<\/span>32 \u7684\u5b57\u7b26\u4e32\u8868\u793a\uff09\u4f5c\u4e3a\u4e3b\u952e\u3002<\/span>
 9) uuid.string
 \u4e0e<\/span>uuid.hex \u7c7b\u4f3c\uff0c\u53ea\u662f\u751f\u6210\u7684\u4e3b\u952e\u672a\u8fdb\u884c\u7f16\u7801\uff08\u957f\u5ea6<\/span>16\uff09\uff0c\u4e0d\u80fd\u5e94\u7528\u5728<\/span> PostgreSQL \u6570\u636e\u4e2d\u3002<\/span>
 10) foreign
 \u4f7f\u7528\u53e6\u5916\u4e00\u4e2a\u76f8\u5173\u8054\u7684\u5bf9\u8c61\u7684\u6807\u8bc6\u7b26\u4f5c\u4e3a\u4e3b\u952e\u3002<\/span>
 \u4e3b\u952e\u914d\u7f6e\u4e3e\u4f8b\u5982\u4e0b\uff1a<\/span><\/p>\n
Xml\u4ee3\u7801<\/span><\/p>\n
15     <id name="id" column="id" type="java.lang.Integer">  \r\n16                  <generator class="native"\/>  \r\n17     <\/id><\/pre>\n
\u53e6\u5916\u8fd8\u53ef\u4ee5\u6269\u5c55<\/span>Hibernate\u7684\u7c7b\u6765\u505a\u81ea\u5df1\u7684\u4e3b\u952e\u751f\u6210\u7b56\u7565\u3002<\/span><\/p>\n
 2. <\/span>\u666e\u901a\u5c5e\u6027\uff08<\/span>property<\/span>\uff09<\/span><\/h1>\n

 <\/span>       \u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u6253\u5f00\u7f51\u5740\uff1a<\/span>http:\/\/hibernate.sourceforge.net\/hibernate-mapping-3.0.dtd
 \u6765\u67e5\u770b<\/span>hibernate3.0\u7684<\/span>dtd\u4fe1\u606f\uff0c\u53ef\u770b\u5230<\/span>property\u7684\u5b9a\u4e49\u5982\u4e0b\uff1a<\/span><\/p>\n
Xml\u4ee3\u7801<\/span><\/p>\n
18     <!ELEMENT property (meta*,(column|formula)*,type?)>  \r\n19     <!ATTLIST property name CDATA #REQUIRED>  \r\n20     <!ATTLIST property node CDATA #IMPLIED>  \r\n21     <!ATTLIST property access CDATA #IMPLIED>  \r\n22     <!ATTLIST property type CDATA #IMPLIED>  \r\n23     <!ATTLIST property column CDATA #IMPLIED>  \r\n24     <!ATTLIST property length CDATA #IMPLIED>  \r\n25     <!ATTLIST property precision CDATA #IMPLIED>  \r\n26     <!ATTLIST property scale CDATA #IMPLIED>  \r\n27     <!ATTLIST property not-null (true|false) #IMPLIED>   \r\n28     <!ATTLIST property unique (true|false) "false">  \r\n29     <!ATTLIST property unique-key CDATA #IMPLIED>  \r\n30     <!ATTLISTpropertyindexCDATA#IMPLIED>     \r\n31     <!-- include the columns spanned by this property in an index -->  \r\n32     <!ATTLIST property update (true|false) #IMPLIED>  \r\n33     <!ATTLIST property insert (true|false) #IMPLIED>  \r\n34     <!ATTLIST property optimistic-lock (true|false) "true">          \r\n35     <!-- only supported for properties of a class (not component) -->  \r\n36     <!ATTLIST property formula CDATA #IMPLIED>  \r\n37     <!ATTLIST property lazy (true|false) "false">  \r\n38     <!ATTLIST property generated (never|insert|always) "never"><\/pre>\n
\u5b83\u7684\u5404\u5c5e\u6027\u4e2d\u6bd4\u8f83\u5e38\u7528\u7684\u6709\uff1a<\/span>name\uff08\u5bf9\u5e94\u7684<\/span>java\u7c7b\u7684\u5c5e\u6027\u540d\u79f0\uff09\u3001<\/span>column\uff08\u5bf9\u5e94\u7684\u8868\u4e2d\u7684\u5b57\u6bb5\uff09\u3001<\/span>type\uff08\u5c5e\u6027\u7684\u7c7b\u578b\uff0c<\/span>eg.java.lang.String\uff09\u3001<\/span>not-null\uff08\u8bbe\u7f6e\u8be5\u5c5e\u6027\u662f\u5426\u4e3a\u7a7a\uff0c\u4e3a<\/span>true\u65f6\u8868\u793a\u975e\u7a7a\uff0c\u9ed8\u8ba4\u4e3a<\/span>false\uff09\u548c<\/span>length(\u5b57\u6bb5\u7684\u957f\u5ea6\u9650\u5236<\/span>)\u3002<\/span> \u793a\u4f8b\u5982\u4e0b\uff1a<\/span><\/p>\n
Xml\u4ee3\u7801<\/span><\/p>\n
39     <property name="accessname" column="accessName" type="java.lang.String" not-null="true" \/>  \r\n40     <property name="state" column="state" type="java.lang.Byte" not-null="true" \/>  \r\n41     <property name="description" column="description" type="java.lang.String" \/><\/pre>\n
3. <\/span>\u4e00\u5bf9\u591a\u5173\u7cfb\uff08<\/span><many-to-one\u2026\/><\/span>\u548c<\/span><set\u2026><\/set><\/span>\uff09<\/span><\/h1>\n
        \u4e00\u5bf9\u591a\u5173\u7cfb\u4e00\u822c\u662f\u7528\u5728\u4e00\u4e2a\u8868\u4e0e\u53e6\u4e00\u4e2a\u8868\u5b58\u5728\u5916\u952e\u5173\u8054\u7684\u65f6\u5019\uff0c\u4f8b\u5982\u7528\u6237\u8868\u7684\u7ec4\u7ec7<\/span>id\u4e0e\u7ec4\u7ec7\u8868\u5b58\u5728\u5916\u952e\u5173\u8054\uff0c\u5219<\/span>\u201c\u4e00<\/span>\u201d\u65b9\u4e3a\u7ec4\u7ec7\u8868\uff0c<\/span>\u201c\u591a<\/span>\u201d\u65b9\u4e3a\u7528\u6237\u8868\uff0c\u56e0\u4e3a\u4e00\u4e2a\u7ec4\u7ec7\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u7528\u6237\uff0c\u800c\u4e00\u4e2a\u7528\u6237\u53ea\u80fd\u96b6\u5c5e\u4e8e\u4e00\u4e2a\u7ec4\u7ec7\u3002<\/span><\/p>\n
     \u5bf9\u4e8e\u5b58\u5728\u4e00\u5bf9\u591a\u5173\u7cfb\u548c\u591a\u5bf9\u4e00\u5173\u7cfb\u7684\u53cc\u65b9\uff0c\u9700\u8981\u5728<\/span>\u2026hbm.xml\u4e2d\u8fdb\u884c\u76f8\u5e94\u914d\u7f6e\uff0c\u8fd9\u65f6\u5728<\/span>\u201c\u4e00<\/span>\u201d\u65b9\uff08\u4f8b\u5982\uff1a\u7ec4\u7ec7\uff09\u9700\u8981\u5728\u6620\u5c04\u6587\u4ef6\u4e2d\u6dfb\u52a0<\/span><set\u2026><\/set>\u5143\u7d20\uff0c\u56e0\u4e3a\u5b83\u5305\u542b\u591a\u4e2a<\/span>\u201c\u591a<\/span>\u201d\u65b9\u7684\u5bf9\u8c61\uff0c\u4e00\u822c\u7684\u683c\u5f0f\u5982\u4e0b\uff1a<\/span><\/p>\n
Xml\u4ee3\u7801<\/span><\/p>\n
42     <set name="java\u6620\u5c04\u7c7b\u4e2d\u5bf9\u5e94\u7684\u5c5e\u6027" inverse="true" lazy="true">  \r\n43       <key column="\u8868\u4e2d\u5bf9\u5e94\u5b57\u6bb5"\/>  \r\n44          <one-to-many class="\u591a\u65b9\u7684\u7c7b"\/>  \r\n45     <\/set>  \r\n46       \r\n47     <!-- \u793a\u4f8b --> \r\n48     <set name="userSet" inverse="true" lazy="true">  \r\n49           <key column="orgId"\/>  \r\n50           <one-to-many class="User"\/>  \r\n51     <\/set><\/pre>\n
\u201c\u591a<\/span>\u201d\u65b9\uff08\u4f8b\u5982\uff1a\u7528\u6237\uff09\u96b6\u5c5e\u4e8e\u4e00\u4e2a<\/span>\u201c\u4e00<\/span>\u201d\u65b9\u5bf9\u8c61\uff0c\u4e00\u822c\u7684\u683c\u5f0f\u5982\u4e0b\uff1a<\/span><\/p>\n
Xml\u4ee3\u7801<\/span><\/p>\n
52     <many-to-one name="java\u6620\u5c04\u7c7b\u4e2d\u5bf9\u5e94\u7684\u5c5e\u6027" column="\u8868\u4e2d\u5bf9\u5e94\u5b57\u6bb5" class="\u7c7b\u540d" not-null="true" \/>  \r\n53       \r\n54     <!-- \u793a\u4f8b --> \r\n55     <many-to-one name="org" column="orgId" class="Organization" not-null="true" \/><\/pre>\n
4. <\/span>\u4e00\u5bf9\u4e00\u5173\u7cfb\uff08<\/span><one-to-one\u2026\/><\/span>\uff09<\/span><\/h1>\n

 <\/span>
 \u4e00\u5bf9\u4e00\u5173\u7cfb\u76f8\u5bf9\u4e00\u5bf9\u591a\u5173\u7cfb\u6765\u8bf4\u6bd4\u8f83\u5c11\u89c1\uff0c\u4f46\u4e5f\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u8981\u7528\u5230\uff0c\u4f8b\u5982\u6709\u4e00\u4e2a\u7528\u6237\u7684\u57fa\u672c\u4fe1\u606f\u8868\uff08<\/span>USER\uff09\u548c\u4e00\u4e2a\u7528\u6237\u7684\u5bc6\u7801\u8868\uff08<\/span>PASSWD\uff09\u5c31\u5b58\u5728\u4e00\u5bf9\u4e00\u7684\u5173\u7cfb\u3002\u4e0b\u9762\u6765\u770b\u4e00\u4e0b\u4e00\u5bf9\u4e00\u5173\u7cfb\u5728<\/span>Hibernate\u7684\u914d\u7f6e\u3002<\/span><\/p>\n
Xml\u4ee3\u7801<\/span><\/p>\n
56     <!-- \u5176\u4e2d\u4e3b\u8868\uff08eg. \u7528\u6237\u7684\u57fa\u672c\u4fe1\u606f\u8868\uff09\u7684\u914d\u7f6e --> \r\n57       \r\n58     <one-to-one name="\u4e3b\u8868\u5bf9\u8c61\u4e2d\u5b50\u8868\u5bf9\u8c61\u7684\u5c5e\u6027\u540d" class="\u5b50\u8868\u5bf9\u8c61\u7684\u7c7b\u540d" cascade="save-update"\/>  \r\n59       \r\n60     <one-to-one name="password" class="com.amigo.dao.pojo.Passwd" cascade="save-update"\/>  \r\n61       \r\n62     <!-- \u5b50\u8868\uff08eg. \u7528\u6237\u7684\u5bc6\u7801\u8868\uff09\u7684\u914d\u7f6e --> \r\n63       \r\n64     <one-to-one name="\u5b50\u8868\u5bf9\u8c61\u4e2d\u4e3b\u8868\u5bf9\u8c61\u7684\u5c5e\u6027\u540d" class="\u4e3b\u8868\u5bf9\u8c61\u7684\u7c7b\u540d" constrained="true" \/>  \r\n65       \r\n66     <one-to-one name="user" class="com.amigo.dao.pojo.User " constrained="true" \/><\/pre>\n
5. <\/span>\u591a\u5bf9\u591a\u5173\u7cfb\uff08<\/span><many-to-many\u2026\/><\/span>\uff09<\/span><\/h1>\n
 \u5728\u6570\u636e\u5e93\u8bbe\u8ba1\u65f6\uff0c\u4e00\u822c\u5c06\u591a\u5bf9\u591a\u5173\u7cfb\u8f6c\u6362\u4e3a\u4e24\u4e2a\u4e00\u5bf9\u591a\uff08\u6216\u591a\u5bf9\u4e00\uff09\u5173\u7cfb\uff0c\u4f8b\u5982\u5728\u57fa\u4e8e\u89d2\u8272\u7684\u6743\u9650\u7cfb\u7edf\u4e2d\uff0c\u7528\u6237\u548c\u89d2\u8272\u5b58\u5728\u7684\u5173\u7cfb\u5c31\u662f\u5178\u578b\u7684\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u5373\u4e00\u4e2a\u7528\u6237\u53ef\u4ee5\u5177\u6709\u591a\u4e2a\u89d2\u8272\uff0c\u800c\u4e00\u4e2a\u89d2\u8272\u53c8\u53ef\u4ee5\u4e3a\u591a\u4e2a\u7528\u6237\u6240\u6709\uff0c\u4e00\u822c\u5728\u8bbe\u8ba1\u65f6\uff0c\u90fd\u4f1a\u52a0\u4e00\u4e2a\u7528\u6237\u4e0e\u89d2\u8272\u7684\u5173\u8054\u8868\uff0c\u8be5\u8868\u4e0e\u7528\u6237\u8868\u4ee5\u53ca\u89d2\u8272\u8868\u90fd\u5b58\u5728\u5916\u952e\u5173\u8054\u3002<\/span><\/p>\n
 \u5728\u672c\u5c0f\u8282\u4e2d\u8bb2\u8ff0\u7684\u662f\u6ca1\u6709\u5206\u89e3\u7684\u591a\u5bf9\u591a\u5173\u7cfb\u5728<\/span>Hibernate\u4e2d\u5982\u4f55\u914d\u7f6e\u3002\u8bbe\u7f6e\u683c\u5f0f\u5982\u4e0b\uff1a<\/span><\/p>\n
Xml\u4ee3\u7801<\/span><\/p>\n
<\/span><\/p>\n
67     <set name="java\u5bf9\u8c61\u7684\u5c5e\u6027\u540d" table="\u8868\u540d" cascade="all" outer-join="false">    \r\n68         <key column="\u8868\u7684\u5bf9\u5e94\u5b57\u6bb5"\/>    \r\n69         <many-to-many class="\u53e6\u4e00\u4e2a\u8868\u7684\u5bf9\u8c61\u7c7b" column="\u53e6\u4e00\u4e2a\u8868\u7684\u5b57\u6bb5"\/>    \r\n70     <\/set>    \r\n71       \r\n72     <!-- t_user\u65b9 --> \r\n73     <set name="roleSet" table="t_user" cascade="all" outer-join="false">    \r\n74         <key column="roleId"\/>    \r\n75         <many-to-many class="com.amigo.dao.pojo.Role" column="roleId"\/>    \r\n76     <\/set>    \r\n77       \r\n78     <!-- t_role\u65b9 --> \r\n79     <set name="userSet" table="t_role" cascade="all" outer-join="false">    \r\n80         <key column="roleId"\/>    \r\n81         <many-to-many class="com.amigo.dao.pojo.User" column="roleId"\/>    \r\n82     <\/set><\/pre>\n
<\/span><\/strong><\/p>\n
6. <\/span>\u5b8c\u6574\u5b9e\u4f8b<\/span><\/h1>\n

 <\/span>
 \u5728\u672c\u5c0f\u8282\u4e2d\u4e3e\u4e00\u4e9b<\/span>.hbm.xml\u6620\u5c04\u6587\u4ef6\u7684\u4f8b\u5b50\uff0c\u8ba9\u5f00\u53d1\u4eba\u5458\u5bf9\u5176\u6709\u4e00\u4e2a\u611f\u6027\u7684\u8ba4\u8bc6\u3002\u63a5\u4e0b\u6765\u8bb2\u8ff0\u4e00\u4e2a\u7528\u6237\u8868\uff08<\/span>tbl_user\uff09\u3001\u7528\u6237\u4e0e\u89d2\u8272\u5173\u8054\u8868\uff08<\/span>tbl_user_role\uff09\u3001\u89d2\u8272\u8868\uff08<\/span>tbl_role\uff09\u4ee5\u53ca\u7ec4\u7ec7\u8868\uff08<\/span>tbl_organization\uff09\u7684\u4f8b\u5b50\u3002<\/span><\/p>\n
 \uff08<\/span>1\uff09<\/span>tbl_user<\/p>\n
Xml\u4ee3\u7801<\/span><\/p>\n
1         <?xml version="1.0" encoding='UTF-8'?>  \r\n2           \r\n3         <!DOCTYPE hibernate-mapping PUBLIC  \r\n4                   "-\/\/Hibernate\/Hibernate Mapping DTD 3.0\/\/EN"  \r\n5                "http:\/\/hibernate.sourceforge.net\/hibernate-mapping-3.0.dtd">  \r\n6           \r\n7         <hibernate-mapping package="com.amigo.dao.pojo">  \r\n8             <class name="User" table="tbl_user">  \r\n9               <id name="loginname" column="loginName" type="java.lang.String">  \r\n10               <generator class="assigned"\/>  \r\n11          <\/id>  \r\n12          <property name="name" column="name" type="java.lang.String" not-null="true" \/>  \r\n13          <property name="password" column="password" type="java.lang.String" not-null="true" \/>  \r\n14          <property name="mobile" column="mobile" type="java.lang.String" \/>  \r\n15          <property name="telephone" column="telephone" type="java.lang.String" \/>  \r\n16          <property name="email" column="email" type="java.lang.String" \/>  \r\n17          <property name="createtime" column="createTime" type="java.util.Date" not-null="true" \/>  \r\n18          <property name="lastlogintime" column="lastLoginTime" type="java.util.Date" \/>  \r\n19         <property name="logintimes" column="loginTimes" type="java.lang.Long" not-null="true" \/>  \r\n20          <property name="state" column="state" type="java.lang.Byte" not-null="true" \/>  \r\n21         <property name="description" column="description" type="java.lang.String" \/>  \r\n22         <many-to-one name="organization" column="orgId" class="Organization" not-null="true" \/>  \r\n23         <set name="userRoleSet" inverse="true" cascade="all-delete-orphan" lazy="true">  \r\n24             <key column="loginName"\/>  \r\n25             <one-to-many class="UserRole"\/>  \r\n26         <\/set>  \r\n27     <\/hibernate-mapping><\/pre>\n
\uff08<\/span>2\uff09<\/span>tbl_organization<\/p>\n
Xml\u4ee3\u7801<\/span><\/p>\n
28     <?xml version="1.0" encoding='UTF-8'?>  \r\n29       \r\n30     <!DOCTYPE hibernate-mapping PUBLIC  \r\n31                  "-\/\/Hibernate\/Hibernate Mapping DTD 3.0\/\/EN"  \r\n32                      "http:\/\/hibernate.sourceforge.net\/hibernate-mapping-3.0.dtd">  \r\n33       \r\n34     <hibernate-mapping package="com.amigo.dao.pojo">  \r\n35        <class name="Organization" table="tbl_organization">  \r\n36             <id name="orgid" column="orgId" type="java.lang.Long">  \r\n37                <generator class="native"\/>  \r\n38             <\/id>  \r\n39       \r\n40             <property name="parentorgid" column="parentOrgId" type="java.lang.Long" not-null="true" \/>  \r\n41             <property name="orgname" column="orgName" type="java.lang.String" not-null="true" \/>  \r\n42             <property name="orgfullname" column="orgFullName" type="java.lang.String" \/>  \r\n43             <property name="orglevel" column="orgLevel" type="java.lang.Integer" not-null="true" \/>  \r\n44             <property name="state" column="state" type="java.lang.Byte" not-null="true" \/>  \r\n45             <property name="description" column="description" type="java.lang.String" \/>  \r\n46             <property name="creator" column="creator" type="java.lang.String" \/>  \r\n47             <property name="createtime" column="createTime" type="java.util.Date" \/>  \r\n48             <set name="userSet" inverse="true" lazy="true">  \r\n49                 <key column="orgId"\/>  \r\n50                 <one-to-many class="User"\/>  \r\n51             <\/set>  \r\n52         <\/class>  \r\n53     <\/hibernate-mapping><\/pre>\n
\uff08<\/span>3\uff09<\/span>tbl_user_role<\/p>\n
     \uff11\u3001\u5230\u5e95\u5728\u54ea\u7528<\/span>cascade="…"<\/span>\uff1f<\/span>  <\/p>\n
         <\/span><\/span>   cascade\u5c5e\u6027\u5e76\u4e0d\u662f\u591a\u5bf9\u591a\u5173\u7cfb\u4e00\u5b9a\u8981\u7528\u7684\uff0c\u6709\u4e86\u5b83\u53ea\u662f\u8ba9\u6211\u4eec\u5728\u63d2\u5165\u6216\u5220\u9664\u5bf9\u50cf\u65f6\u66f4\u65b9\u4fbf\u4e00\u4e9b\uff0c\u53ea\u8981\u5728<\/span>cascade\u7684\u6e90\u5934\u4e0a\u63d2\u5165\u6216\u662f\u5220\u9664\uff0c\u6240\u6709<\/span> cascade\u7684\u5173\u7cfb\u5c31\u4f1a\u88ab\u81ea\u5df1\u52a8\u7684\u63d2\u5165\u6216\u662f\u5220\u9664\u3002\u4fbf\u662f\u4e3a\u4e86\u80fd\u6b63\u786e\u7684<\/span>cascade\uff0c<\/span>unsaved-value\u662f\u4e2a\u5f88\u91cd\u8981\u7684\u5c5e\u6027\u3002<\/span>Hibernate\u901a<\/span> \u8fc7\u8fd9\u4e2a\u5c5e\u6027\u6765\u5224\u65ad\u4e00\u4e2a\u5bf9\u8c61\u5e94\u8be5<\/span>save\u8fd8\u662f<\/span>update\uff0c\u5982\u679c\u8fd9\u4e2a\u5bf9\u8c61\u7684<\/span>id\u662f<\/span>unsaved-value\u7684\u8bdd\uff0c\u90a3\u8bf4\u660e\u8fd9\u4e2a\u5bf9\u8c61\u4e0d\u662f<\/span> persistence    object\u8981<\/span>save\uff08<\/span>insert)\uff1b\u5982\u679c<\/span>id\u662f\u975e<\/span>unsaved-value\u7684\u8bdd\uff0c\u90a3\u8bf4\u660e\u8fd9\u4e2a\u5bf9\u8c61\u662f<\/span>persistence    object\uff08\u6570\u636e\u5e93\u4e2d\u5df2\u5b58\u5728\uff09\uff0c\u53ea\u8981<\/span>update\u5c31\u884c\u4e86\u3002<\/span>saveOrUpdate\u65b9\u6cd5\u7528\u7684\u4e5f\u662f\u8fd9\u4e2a\u673a\u5236\u3002<\/span>    <\/p>\n
         <\/span><\/span>      <\/p>\n
 <\/span><\/span>\uff12\u3001\u5230\u5e95\u5728\u54ea\u7528<\/span>inverse="ture"<\/span>?    <\/p>\n
       <\/span><\/span>    \u201cset\u7684<\/span>inverse\u5c5e\u6027\u51b3\u5b9a\u662f\u5426\u628a\u5bf9<\/span>set\u7684\u6539\u52a8\u53cd\u6620\u5230\u6570\u636e\u5e93\u4e2d\u53bb\u3002<\/span>inverse=false<\/span><\/strong>\u2014\u2014\u2014\u2014\u53cd\u6620\uff1b<\/span>inverse=true<\/span><\/strong>\u2014\u2014\u2014\u2014\u4e0d\u53cd\u6620<\/span>\u201dinverse\u5c5e\u6027\u9ed8\u8ba4\u4e3a<\/span>false<\/span><\/strong> <\/p>\n
        <\/span><\/span>      <\/p>\n
         <\/span><\/span>   inverse\u5c5e\u6027\u9ed8\u8ba4\u662f<\/span>false<\/span><\/strong>\u7684\uff0c\u5c31\u662f\u8bf4\u5173\u7cfb\u7684\u4e24\u7aef\u90fd\u6765\u7ef4\u62a4\u5173\u7cfb\u3002\u8fd9\u4e2a\u610f\u601d\u5c31\u662f\u8bf4\uff0c\u5982\u6709\u4e00\u4e2a<\/span>Student,    Teacher\u548c<\/span>TeacherStudent\u8868\uff0c<\/span>Student\u548c<\/span>Teacher\u662f\u591a\u5bf9\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u8fd9\u4e2a\u5173\u7cfb\u7531<\/span>TeacherStudent\u8fd9\u4e2a\u8868\u6765\u8868<\/span> \u73b0\u3002\u90a3\u4e48\u4ec0\u4e48\u65f6\u5019\u63d2\u5165\u6216\u5220\u9664<\/span>TeacherStudent\u8868\u4e2d\u7684\u8bb0\u5f55\u6765\u7ef4\u62a4\u5173\u7cfb\u5462\uff1f\u5728\u7528<\/span>hibernate\u65f6\uff0c\u6211\u4eec\u4e0d\u4f1a\u663e\u793a\u7684\u5bf9<\/span> TeacherStudent\u8868\u505a\u64cd\u4f5c\u3002\u5bf9<\/span>TeacherStudent\u7684\u64cd\u4f5c\u662f<\/span>hibernate\u5e2e\u6211\u4eec\u505a\u7684\u3002<\/span>hibernate\u5c31\u662f\u770b<\/span>hbm\u6587\u4ef6\u4e2d\u6307<\/span> \u5b9a\u7684\u662f<\/span>"<\/span>\u8c01<\/span>"<\/span>\u7ef4\u62a4\u5173\u7cfb\uff0c\u90a3\u4e2a\u5728\u63d2\u5165\u6216\u5220\u9664<\/span>"<\/span>\u8c01<\/span>"<\/span>\u65f6\uff0c\u5c31\u4f1a\u5904\u53d1\u5bf9\u5173\u7cfb\u8868\u7684\u64cd\u4f5c\u3002\u524d\u63d0\u662f<\/span>"<\/span>\u8c01<\/span>"<\/span>\u8fd9\u4e2a\u5bf9\u8c61\u5df2\u7ecf\u77e5\u9053\u8fd9\u4e2a\u5173\u7cfb\u4e86\uff0c\u5c31\u662f\u8bf4\u5173\u7cfb\u53e6\u4e00\u5934\u7684\u5bf9\u8c61\u5df2\u7ecf<\/span>set \u6216\u662f<\/span>add\u5230<\/span>"<\/span>\u8c01<\/span>"<\/span>\u8fd9\u4e2a\u5bf9\u8c61\u91cc\u6765\u4e86\u3002\u524d\u9762\u8bf4\u8fc7<\/span>inverse\u9ed8\u8ba4\u662f<\/span>false<\/span><\/strong>\uff0c\u5c31\u662f\u5173\u7cfb\u7684\u4e24\u7aef\u90fd\u7ef4\u62a4\u5173\u7cfb\uff0c\u5bf9\u5176\u4e2d\u4efb\u4e00\u4e2a\u64cd\u4f5c\u90fd\u4f1a\u5904\u53d1\u5bf9\u8868\u7cfb\u8868\u7684\u64cd\u4f5c\u3002\u5f53\u5728<\/span> \u5173\u7cfb\u7684\u4e00\u5934\uff0c\u5982<\/span>Student\u4e2d\u7684<\/span>bag\u6216<\/span>set\u4e2d\u7528\u4e86<\/span>inverse\uff1d<\/span>"true"<\/span>\u65f6\uff0c\u90a3\u5c31\u4ee3\u8868\u5173\u7cfb\u662f\u7531\u53e6\u4e00\u5173\u7ef4\u62a4\u7684\uff08<\/span>Teacher\uff09\u3002\u5c31\u662f\u8bf4\u5f53\u8fd9\u63d2<\/span> \u5165<\/span>Student\u65f6\uff0c\u4e0d\u4f1a\u64cd\u4f5c<\/span>TeacherStudent\u8868\uff0c\u5373\u4f7f<\/span>Student\u5df2\u7ecf\u77e5\u9053\u4e86\u5173\u7cfb\u3002\u53ea\u6709\u5f53<\/span>Teacher\u63d2\u5165\u6216\u5220\u9664\u65f6\u624d\u4f1a\u5904\u53d1\u5bf9\u5173\u7cfb\u8868\u7684<\/span> \u64cd\u4f5c\u3002\u6240\u4ee5\uff0c\u5f53\u5173\u7cfb\u7684\u4e24\u5934\u90fd\u7528<\/span>inverse="true"<\/span>\u662f\u4e0d\u5bf9\u7684\uff0c\u5c31\u4f1a\u5bfc\u81f4\u4efb\u4f55\u64cd\u4f5c\u90fd\u4e0d\u5904\u53d1\u5bf9\u5173\u7cfb\u8868\u7684\u64cd\u4f5c\u3002\u5f53\u4e24\u7aef\u90fd\u662f<\/span>inverse="false"<\/span>\u6216\u662f<\/span>default<\/span><\/strong>\u503c\u662f\uff0c\u5728\u4ee3\u7801\u5bf9\u5173\u7cfb\u663e\u793a\u7684\u7ef4\u62a4\u4e5f\u662f\u4e0d\u5bf9\u7684\uff0c\u4f1a\u5bfc\u81f4\u5728\u5173\u7cfb\u8868\u4e2d\u63d2\u5165\u4e24\u6b21\u5173\u7cfb\u3002<\/span>    <\/p>\n
         <\/span><\/span>      <\/p>\n
         <\/span><\/span>   \u5728\u4e00\u5bf9\u591a\u5173\u7cfb\u4e2d<\/span>inverse\u5c31\u66f4\u6709\u610f\u4e49\u4e86\u3002\u5728\u591a\u5bf9\u591a\u4e2d\uff0c\u5728\u54ea\u7aef<\/span>inverse="true"<\/span>\u6548\u679c\u5dee\u4e0d\u591a\uff08\u5728\u6548\u7387\u4e0a\uff09\u3002\u4f46\u662f\u5728\u4e00\u5bf9\u591a\u4e2d\uff0c\u5982\u679c\u8981\u4e00\u65b9\u7ef4\u62a4\u5173<\/span> \u7cfb\uff0c\u5c31\u4f1a\u4f7f\u5728\u63d2\u5165\u6216\u662f\u5220\u9664<\/span>"<\/span>\u4e00<\/span>"<\/span>\u65b9\u65f6\u53bb<\/span>update"<\/span>\u591a<\/span>"<\/span>\u65b9\u7684\u6bcf\u4e00\u4e2a\u4e0e\u8fd9\u4e2a<\/span>"<\/span>\u4e00<\/span>"<\/span>\u7684\u5bf9\u8c61\u6709\u5173\u7cfb\u7684\u5bf9\u8c61\u3002\u800c\u5982\u679c\u8ba9<\/span>"<\/span>\u591a<\/span>"<\/span>\u65b9\u9762\u7ef4\u62a4\u5173\u7cfb\u65f6\u5c31\u4e0d\u4f1a\u6709<\/span>update \u64cd\u4f5c\uff0c\u56e0\u4e3a\u5173\u7cfb\u5c31\u662f\u5728\u591a\u65b9\u7684\u5bf9\u8c61\u4e2d\u7684\uff0c\u76f4\u6307\u63d2\u5165\u6216\u662f\u5220\u9664\u591a\u65b9\u5bf9\u8c61\u5c31\u884c\u4e86\u3002\u5f53\u7136\u8fd9\u65f6\u4e5f\u8981\u904d\u5386<\/span>"<\/span>\u591a<\/span>"<\/span>\u65b9\u7684\u6bcf\u4e00\u4e2a\u5bf9\u8c61\u663e\u793a\u7684\u64cd\u4f5c\u4fee\u5173\u7cfb\u7684\u53d8\u5316\u4f53\u73b0\u5230<\/span>DB\u4e2d\u3002\u4e0d\u7ba1<\/span> \u600e\u6837\u8bf4\uff0c\u8fd8\u662f\u8ba9<\/span>"<\/span>\u591a<\/span>"<\/span>\u65b9\u7ef4\u62a4\u5173\u7cfb\u66f4\u76f4\u89c2\u4e00\u4e9b\u3002<\/span>  <\/p>\n
    <\/span><\/span>  <\/p>\n
 <\/span><\/span>       \uff08<\/span>1<\/span>\uff09\u5bf9<\/span>one-to-many\u800c\u8a00\uff0c\u6539\u53d8<\/span>set\uff0c\u4f1a\u8ba9<\/span>hibernate\u6267\u884c\u4e00\u7cfb\u5217\u7684<\/span>update\u8bed\u53e5\uff0c<\/span> \u4e0d\u4f1a<\/span>delete\/insert\u6570\u636e<\/span>  <\/p>\n
  <\/span><\/span>      \uff08<\/span>2<\/span>\uff09\u5bf9<\/span>many-to-many\u800c\u8a00\uff0c\u6539\u53d8<\/span>set,\u53ea\u4fee\u6539\u5173\u7cfb\u8868\u7684\u6570\u636e\uff0c\u4e0d\u4f1a\u5f71\u54cd<\/span>many-to-many\u7684\u53e6\u4e00\u65b9\u3002<\/span>  <\/p>\n
   <\/span><\/span>     \uff08<\/span>3<\/span>\uff09\u867d\u7136<\/span>one-to-many\u548c<\/span>many-to-many\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u4e0d\u4e00\u6837\uff0c\u4f46\u76ee\u7684\u90fd\u662f\u4e00\u4e2a\uff1a\u7ef4\u62a4\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/span>    <\/p>\n
    <\/span><\/span>      <\/p>\n
 <\/span><\/span>\uff13\u3001<\/span>cascade\u548c<\/span>inverse\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/span>    <\/p>\n
     <\/span><\/span>   \u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff0c<\/span>cascade\u5b9a\u4e49\u7684\u662f\u5173\u7cfb\u4e24\u7aef\u5bf9\u8c61\u5230\u5bf9\u8c61\u7684\u7ea7\u8054\u5173\u7cfb\uff1b\u800c<\/span>inverse\u5b9a\u4e49\u7684\u662f\u5173\u7cfb\u548c\u5bf9\u8c61\u7684\u7ea7\u8054\u5173\u7cfb\u3002<\/span>  <\/p>\n
    <\/span><\/span>    inverse\u53ea\u5bf9<\/span>set+one-to-many(\u6216<\/span>many-to-many)\u6709\u6548\uff0c\u5bf9<\/span>many-to-one, one-to-one\u65e0\u6548\u3002<\/span>cascade\u5bf9\u5173\u7cfb\u6807\u8bb0\u90fd\u6709\u6548\u3002<\/span>  <\/p>\n
   <\/span><\/span>  <\/p>\n
    <\/span><\/span>    inverse\u5bf9\u96c6\u5408\u5bf9\u8c61\u6574\u4f53\u8d77\u4f5c\u7528\uff0c<\/span>cascade\u5bf9\u96c6\u5408\u5bf9\u8c61\u4e2d\u7684\u4e00\u4e2a\u4e00\u4e2a\u5143\u7d20\u8d77\u4f5c\u7528\uff0c\u5982\u679c\u96c6\u5408\u4e3a\u7a7a\uff0c\u90a3\u4e48<\/span>cascade\u4e0d\u4f1a\u5f15\u53d1\u5173\u8054\u64cd\u4f5c\u3002<\/span>  <\/p>\n
    <\/span><\/span>    \u6bd4\u5982\u5c06\u96c6\u5408\u5bf9\u8c61\u7f6e\u4e3a<\/span>null<\/span><\/strong>\uff0c<\/span> school.setStudentSet(null<\/span><\/strong>)  <\/p>\n
   <\/span><\/span>     inverse\u5bfc\u81f4<\/span>hibernate\u6267\u884c<\/span>:udpate STUDENT set SCHOOL_ID=null<\/span><\/strong> where SCHOOL_ID=?  <\/p>\n
     <\/span><\/span>    cascade\u5219\u4e0d\u4f1a\u6267\u884c\u5bf9<\/span>STUDENT\u8868\u7684\u5173\u8054\u66f4\u65b0\uff0c<\/span> \u56e0\u4e3a\u96c6\u5408\u4e2d\u6ca1\u6709\u5143\u7d20\u3002<\/span>  <\/p>\n
     <\/span><\/span>    \u518d\u6bd4\u65b0\u589e\u4e00\u4e2a<\/span>school, session.save(school)   <\/p>\n
     <\/span><\/span>    inverse\u5bfc\u81f4<\/span>hibernate\u6267\u884c\uff1a<\/span>  <\/p>\n
     <\/span><\/span>    for<\/span><\/strong>( \u5bf9<\/span>(school\u7684\u6bcf\u4e00\u4e2a<\/span>student ){  <\/p>\n
     <\/span><\/span>      udpate STUDENT set SCHOOL_ID=? where STUDENT_ID=?\/\/<\/span>\u5c06\u5b66\u751f\u7684<\/span>school_id<\/span>\u6539\u4e3a\u65b0\u7684<\/span>school<\/span>\u7684<\/span>id<\/span>      <\/span><\/span>     }       <\/span><\/span>    <\/p>\n
       cascade\u5bfc\u81f4<\/span>hibernate\u6267\u884c\uff1a<\/span>  <\/p>\n
     <\/span><\/span>    for<\/span><\/strong>( \u5bf9<\/span>school\u7684\u6bcf\u4e00\u4e2a<\/span>student ){  <\/p>\n
     <\/span><\/span>      session.save(aStudent);\/\/<\/span>\u5bf9\u5b66\u751f\u6267\u884c<\/span>save<\/span>\u64cd\u4f5c<\/span> <\/p>\n
    <\/span><\/span>     }       <\/span><\/span>  extends<\/span><\/strong>:\u5982\u679c\u6539\u53d8\u96c6\u5408\u4e2d\u7684\u90e8\u5206\u5143\u7d20\uff08\u6bd4\u5982\u65b0\u589e\u4e00\u4e2a\u5143\u7d20\uff09\uff0c<\/span>  <\/p>\n
    <\/span><\/span>     inverse: hibernate\u5148\u5224\u65ad\u54ea\u4e9b\u5143\u7d20\u6539\u53d8\u4e86\uff0c\u5bf9\u6539\u53d8\u7684\u5143\u7d20\u6267\u884c\u76f8\u5e94\u7684<\/span>sql  <\/p>\n
     <\/span><\/span>     cascade: \u5b83\u603b\u662f\u5bf9\u96c6\u5408\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u5173\u8054\u64cd\u4f5c\u3002<\/span>  <\/p>\n
    <\/span><\/span>     \uff08\u5728\u5173\u8054\u64cd\u4f5c\u4e2d\uff0c<\/span>hibernate\u4f1a\u5224\u65ad\u64cd\u4f5c\u7684\u5bf9\u8c61\u662f\u5426\u6539\u53d8\uff09<\/span>  <\/p>\n
     <\/span><\/span>    \u4e24\u4e2a\u8d77\u4f5c\u7528\u7684\u65f6\u673a\u4e0d\u540c\uff1a<\/span>  <\/p>\n
     <\/span><\/span>    cascade\uff1a\u5728\u5bf9\u4e3b\u63a7\u65b9\u64cd\u4f5c\u65f6\uff0c\u7ea7\u8054\u53d1\u751f\u3002<\/span>  <\/p>\n
     <\/span><\/span>    inverse: \u5728<\/span>flush\u65f6\uff08<\/span>commit\u4f1a\u81ea\u52a8\u6267\u884c<\/span>flush)\uff0c\u5bf9<\/span>session\u4e2d\u7684\u6240\u6709<\/span>set\uff0c<\/span>hibernate\u5224\u65ad\u6bcf\u4e2a<\/span>set\u662f\u5426\u6709\u53d8\u5316\uff0c<\/span>  <\/p>\n
  <\/span><\/span>      \u5bf9\u6709\u53d8\u5316\u7684<\/span>set\u6267\u884c\u76f8\u5e94\u7684<\/span>sql\uff0c\u6267\u884c\u4e4b\u524d\uff0c\u4f1a\u6709\u4e2a\u5224\u65ad\uff1a<\/span>if<\/span><\/strong>( inverse ==true<\/span><\/strong> )return<\/span><\/strong>;\u53ef\u4ee5\u770b\u51fa<\/span>cascade\u5728\u5148\uff0c<\/span>inverse\u5728\u540e\u3002<\/span>  <\/p>\n
     <\/span><\/span>    inverse \u5bf9<\/span>set + one-to-many \u548c<\/span> set + many-to-many \u8d77\u7684\u4f5c\u7528\u4e0d\u540c\u3002<\/span>hibernate\u751f\u6210\u7684<\/span>sql\u4e0d\u540c\u3002<\/span>  <\/p>\n
     <\/span><\/span>    \u5bf9<\/span>one-to-many\uff0c<\/span>hibernate\u5bf9<\/span>many\u65b9\u7684\u6570\u636e\u5e93\u8868\u6267\u884c<\/span>update\u8bed\u53e5\u3002<\/span>  <\/p>\n
  <\/span><\/span>      \u5bf9<\/span>many-to-many, hibernate\u5bf9\u5173\u7cfb\u8868\u6267\u884c<\/span>insert\/update\/delte\u8bed\u53e5\uff0c\u6ce8\u610f\u4e0d\u662f\u5bf9<\/span>many\u65b9\u7684\u6570\u636e\u5e93\u8868\u800c\u662f\u5173\u7cfb\u8868\u3002<\/span>  <\/p>\n
  <\/span><\/span>      cascase \u5bf9<\/span>set\u90fd\u662f\u4e00\u81f4\u7684\uff0c\u4e0d\u7ba1<\/span>one-to-many\u8fd8\u662f<\/span>many-to-many\u3002\u90fd\u7b80\u5355\u5730\u628a\u64cd\u4f5c\u4f20\u9012\u5230<\/span>set\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u6240\u4ee5\u5b83\u603b\u662f\u66f4\u65b0<\/span>many\u65b9\u7684\u6570\u636e\u5e93\u8868\u3002<\/span>  <\/p>\n
   <\/span><\/span>  <\/p>\n
  <\/span><\/span>  4<\/span>\u3001<\/span>cascade\u548c<\/span>inverse\u6709\u4ec0\u4e48\u76f8\u540c\uff1f<\/span>  <\/p>\n
     <\/span><\/span>   \u8fd9\u4e24\u4e2a\u5c5e\u6027\u672c\u8eab\u4e92\u4e0d\u5f71\u54cd\uff0c\u4f46\u8d77\u7684\u4f5c\u7528\u6709\u4e9b\u7c7b\u4f3c\uff0c\u90fd\u80fd\u5f15\u53d1\u5bf9\u5173\u7cfb\u8868\u7684\u66f4\u65b0\u3002<\/span>  <\/p>\n
 <\/span><\/span>  <\/p>\n
 <\/span><\/span>  5<\/span>\u3001<\/span> \u5efa\u8bae\uff1a\u53ea\u5bf9<\/span>set + many-to-many\u8bbe\u7f6e<\/span>inverse=false<\/span><\/strong>\uff0c\u5176\u4ed6\u7684\u6807\u8bb0\u4e0d\u8003\u8651<\/span>inverse\u5c5e\u6027\uff0c\u90fd\u8bbe\u4e3a<\/span>inverse=true<\/span><\/strong>\u3002\u5bf9<\/span>cascade\uff0c\u4e00<\/span> \u822c\u5bf9<\/span>many-to-one\uff0c<\/span>many-to-many\uff0c<\/span>constrained=true<\/span><\/strong>\u7684<\/span>one-to-one \u4e0d\u8bbe\u7f6e\u7ea7\u8054\u5220\u9664\u3002<\/span> <\/p>\n
 <\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728Hibernate\u4e2d\uff0c\u5404\u8868\u7684\u6620\u5c04\u6587\u4ef6\u2026.hbm.xml\u53ef\u4ee5\u901a\u8fc7\u5de5\u5177\u751f\u6210\uff0c\u4f8b\u5982\u5728\u4f7f\u7528MyEclipse\u5f00\u53d1\u65f6\uff0c …<\/span> Read More →<\/span><\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":1491,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[210],"tags":[85,86],"_links":{"self":[{"href":"https:\/\/www.netxintai.com\/index.php?rest_route=\/wp\/v2\/posts\/679"}],"collection":[{"href":"https:\/\/www.netxintai.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.netxintai.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.netxintai.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.netxintai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=679"}],"version-history":[{"count":8,"href":"https:\/\/www.netxintai.com\/index.php?rest_route=\/wp\/v2\/posts\/679\/revisions"}],"predecessor-version":[{"id":1664,"href":"https:\/\/www.netxintai.com\/index.php?rest_route=\/wp\/v2\/posts\/679\/revisions\/1664"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.netxintai.com\/index.php?rest_route=\/wp\/v2\/media\/1491"}],"wp:attachment":[{"href":"https:\/\/www.netxintai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.netxintai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.netxintai.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}