欧美三区_成人在线免费观看视频_欧美极品少妇xxxxⅹ免费视频_a级毛片免费播放_鲁一鲁中文字幕久久_亚洲一级特黄

Hiberante的對象繼承關系之--TPC每一個具體類一

系統 2438 0

數據庫結構:

?

create ? table ?stuTPC?(id? varchar ( 32 ),name? varchar ( 32 ),cardnum? varchar ( 32 ));
create ? table ?teacherTPC(id? varchar ( 32 ),?name? varchar ( 32 ),salary? double );

Hibernate.cfg.xml

?

<? xml?version='1.0'?encoding='UTF-8' ?>
<! DOCTYPE?hibernate-configuration?PUBLIC
??????????"-//Hibernate/Hibernate?Configuration?DTD?3.0//EN"
??????????"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"
>

<!-- ?Generated?by?MyEclipse?Hibernate?Tools.??????????????????? -->
< hibernate-configuration >

< session-factory >
????
< property? name ="connection.username" > root </ property >
????
< property? name ="connection.url" >
????????jdbc:mysql://localhost:3306/schoolproject?characterEncoding=gb2312
&amp; useUnicode=true
????
</ property >
????
< property? name ="dialect" >
????????org.hibernate.dialect.MySQLDialect
????
</ property >
????
< property? name ="myeclipse.connection.profile" > mysql </ property >
????
< property? name ="connection.password" > 1234 </ property >
????
< property? name ="connection.driver_class" >
????????com.mysql.jdbc.Driver
????
</ property >
????
< property? name ="hibernate.dialect" >
????????org.hibernate.dialect.MySQLDialect
????
</ property >
????
< property? name ="hibernate.show_sql" > true </ property >
????
< property? name ="current_session_context_class" > thread </ property >
????
< property? name ="jdbc.batch_size" > 15 </ property >
????
< mapping? resource ="Mapping/TPC/Student.hbm.xml" ? />
????
< mapping? resource ="Mapping/TPC/Teacher.hbm.xml" ? />




</ session-factory >

</ hibernate-configuration >

?Pojo

?

package ?Mapping.TPC;

public ? class ?Person? ... {
??
private ?String?id;
??
private ?String?name;
public ?String?getId()? ... {
????
return ?id;
}

public ? void ?setId(String?id)? ... {
????
this .id? = ?id;
}

public ?String?getName()? ... {
????
return ?name;
}

public ? void ?setName(String?name)? ... {
????
this .name? = ?name;
}

}



package ?Mapping.TPC;

public ? class ?Student? extends ?Person? ... {
??
private ?String?cardnum;

public ?String?getCardnum()? ... {
????
return ?cardnum;
}


public ? void ?setCardnum(String?cardnum)? ... {
????
this .cardnum? = ?cardnum;
}

}



package ?Mapping.TPC;

public ? class ?Teacher? extends ?Person? ... {
???
private ?Double?salary;

public ?Double?getSalary()? ... {
????
return ?salary;
}


public ? void ?setSalary(Double?salary)? ... {
????
this .salary? = ?salary;
}

}

?

Student.hbm.xml

?

<? 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?-?Hibernate?Tools
-->
< hibernate-mapping >
< class? name ="Mapping.TPC.Student" ?table ="stuTPC" ?select-before-update ="true" >
????
< id? name ="id" ?unsaved-value ="null" >
??????
< generator? class ="uuid.hex" ></ generator >
????
</ id >
????
< property? name ="name" ?type ="string" ?column ="name" ></ property >
????
< property? name ="cardnum" ?type ="string" ?column ="cardnum" ></ property >
</ class >

</ hibernate-mapping >

?

Teacher.hbm.xml

?

<? 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?-?Hibernate?Tools
-->
< hibernate-mapping >
< class? name ="Mapping.TPC.Teacher" ?table ="teacherTPC" ?select-before-update ="true" >
????
< id? name ="id" ?unsaved-value ="null" >
??????
< generator? class ="uuid.hex" ></ generator >
????
</ id >
????
< property? name ="name" ?type ="string" ?column ="name" ></ property >
????
< property? name ="salary" ?type ="double" ?column ="salary" ></ property >
</ class >
</ hibernate-mapping >

?

測試代碼:

?

package ?Mapping.TPC;


import ?java.io.File;
import ?java.util.Iterator;

import ?org.hibernate.Query;
import ?org.hibernate.Session;
import ?org.hibernate.SessionFactory;
import ?org.hibernate.Transaction;
import ?org.hibernate.cfg.Configuration;

public ? class ?Test? ... {


????
public ? static ? void ?main(String[]?args)? ... {

????????String?filePath
= System.getProperty( " user.dir " ) + File.separator + " src/Mapping/TPC " + File.separator + " hibernate.cfg.xml " ;
????????File?file
= new ?File(filePath);
????????System.out.println(filePath);
????????SessionFactory?sessionFactory
= new ?Configuration().configure(file).buildSessionFactory();
????????Session?session
= sessionFactory.openSession();
????????Transaction?t
= session.beginTransaction();
????????Student?stu
= new ?Student();
????????stu.setCardnum(
" 11111 " );
????????stu.setName(
" tom1stu " );
????????
????????Teacher?teacher
= new ?Teacher();
????????teacher.setSalary(
new ?Double( 12345 ));
????????teacher.setName(
" tom1teacher " );
????????session.save(stu);
????????session.save(teacher);
????????
// 用父類查詢,因為沒有Person的mapping文件,所以要用全路徑包名寫HQL
????????Query?query = session.createQuery( " from?Mapping.TPC.Person " );
????????Iterator?iter
= query.list().iterator();
????????
while (iter.hasNext()) ... {
????????????Person?person
= (Person)iter.next();
????????????System.out.println(person.getName());
????????}

????????t.commit();
????????
????}


}

?

結果:

Hibernate: insert into stuTPC (name, cardnum, id) values (?, ?, ?)
Hibernate: insert into teacherTPC (name, salary, id) values (?, ?, ?)
Hibernate: select teacher0_.id as id1_, teacher0_.name as name1_, teacher0_.salary as salary1_ from teacherTPC teacher0_
Hibernate: select student0_.id as id0_, student0_.name as name0_, student0_.cardnum as cardnum0_ from stuTPC student0_
tom1teacher
tom1stu

Hiberante的對象繼承關系之--TPC每一個具體類一張數據表


更多文章、技術交流、商務合作、聯系博主

微信掃碼或搜索:z360901061

微信掃一掃加我為好友

QQ號聯系: 360901061

您的支持是博主寫作最大的動力,如果您喜歡我的文章,感覺我的文章對您有幫助,請用微信掃描下面二維碼支持博主2元、5元、10元、20元等您想捐的金額吧,狠狠點擊下面給點支持吧,站長非常感激您!手機微信長按不能支付解決辦法:請將微信支付二維碼保存到相冊,切換到微信,然后點擊微信右上角掃一掃功能,選擇支付二維碼完成支付。

【本文對您有幫助就好】

您的支持是博主寫作最大的動力,如果您喜歡我的文章,感覺我的文章對您有幫助,請用微信掃描上面二維碼支持博主2元、5元、10元、自定義金額等您想捐的金額吧,站長會非常 感謝您的哦!!!

發表我的評論
最新評論 總共0條評論
主站蜘蛛池模板: 欧美一区二区三区四区视频 | 成人国产激情福利久久精品 | 羞羞视频在线免费 | 欧美日韩在线第一页 | 亚洲欧美中文在线观看4 | 日韩av一区二区三区在线 | 国产一区二区三区在线 | 欧美搞黄视频 | www.色网站 | 久久婷婷色香五月综合激情 | 男人的天堂av2017在线 | 成人网页 | 亚洲欧美在线观看 | 日韩网红少妇无码视频香港 | 精品日韩欧美国产一区二区 | 视频一区二区中文字幕 | 天天躁日日躁狠狠躁av麻豆 | 久热草在线| 色播欧美| 久久99精品国产麻豆婷婷洗澡 | 亚洲av毛片久久久久 | 久久久国产一级片 | 免费乱理伦片在线观看八戒 | 欧美激情二区三区 | 午夜丁香婷婷 | 嘿嘿视频不良网站 | 夜色在线影院 | 奇米色第四色 | 欧美鲁 | 国产女主播在线 | 亚洲喷水 | 国产亚洲精品久久久久久无码网站 | 亚洲国产日韩欧美高清片a 高清视频在线播放 | 亚洲精品国产自在久久出水 | 99久在线视频 | 人人爱免费在线观看 | 一区二区三区亚洲 | 蜜臀国产 | 91免费官网| 国产夜色 | 日日操夜夜摸 |