2 "group by c.name order by c.name").list();
3 for (Iterator iter=students.iterator(); iter.hasNext();) {
4 Object[] obj = (Object[])iter.next();
5 System.out.println(obj[0] + ", " + obj[1]);
6 }
]]>
for (Iterator iter=students.iterator(); iter.hasNext();) {
Object[] obj = (Object[])iter.next();
System.out.println(obj[0] + "," + obj[1]);
}
2.
//宸﹁繛鎺?br /> List students = session.createQuery("select c.name, s.name from Classes c left join c.students s").list();
for (Iterator iter=students.iterator(); iter.hasNext();) {
Object[] obj = (Object[])iter.next();
System.out.println(obj[0] + "," + obj[1]);
}
]]>
*/
1.
Query query = session.createQuery("select s.id, s.name from Student s where s.name like ? ");
//鐢?鍗犱綅絎?br /> query.setParameter(0, "%1%");
//娣誨姞鏌ヨ鏉′歡
List students = query.list();
//榪斿洖鏌ヨ鍒楄〃
2.
//鍙互鐢╥n()鏉ヨ繘琛屽鏉′歡鏌ヨ,浣跨敤setParameterList鎶婃墍鏈夌殑鏌ヨ鐨勬潯浠舵斁鍏ist涓?br /> //鍙互鐢?:鍙傛暟 鏉ヤ紶閫掑弬鏁?br /> List students = session.createQuery("select s.id, s.name from Student s where s.id in(:myids) ")
.setParameterList(myids, new Object[]{1,2})
.list();
3.
//鏃ユ湡鏌ヨ璇彞
List students = session.createQuery("select s.id, s.name from Student s where date_format(s.createTime, '%Y-%m')=? ")
.setParameterList(0, 2009-1)
.list();
4.
//鏃ユ湡孌電殑鏌ヨ
//棣栧厛鏋勫緩涓涓棩鏈熷璞?br /> SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
List students = session.createQuery("select s.id, s.name from Student s where s.createTime between ? and ? ")
.setParameter(0, sdf.setparse("2009-1-1 00:00:00"))
.setParameter(1, sdf.setparse("2009-2-1 23:59:59"))
.list();
]]>
EJB瀹瑰櫒錛欵nterprise java bean 瀹瑰櫒銆傛洿鍏鋒湁琛屼笟棰嗗煙鐗硅壊銆備粬鎻愪緵緇欒繍琛屽湪鍏朵腑鐨勭粍浠禘JB鍚勭綆＄悊鍔熻兘銆傚彧瑕佹弧瓚矹2EE瑙勮寖鐨凟JB鏀懼叆璇ュ鍣紝椹笂灝變細琚鍣ㄨ繘琛岄珮鏁堢巼鐨勭鐞嗐傚茍涓斿彲浠ラ氳繃鐜版垚鐨勬帴鍙ｆ潵鑾峰緱緋葷粺綰у埆鐨勬湇鍔°備緥濡傞偖浠舵湇鍔°佷簨鍔＄鐞嗐?
JNDI錛氾紙Java Naming & Directory Interface錛塉AVA鍛藉悕鐩綍鏈嶅姟銆備富瑕佹彁渚涚殑鍔熻兘鏄細鎻愪緵涓涓洰褰曠郴緇燂紝璁╁叾瀹冨悇鍦扮殑搴旂敤紼嬪簭鍦ㄥ叾涓婇潰鐣欎笅鑷繁鐨勭儲寮曪紝浠庤屾弧瓚沖揩閫熸煡鎵懼拰瀹氫綅鍒嗗竷寮忓簲鐢ㄧ▼搴忕殑鍔熻兘銆?
JMS錛氾紙Java Message Service錛塉AVA娑堟伅鏈嶅姟銆備富瑕佸疄鐜板悇涓簲鐢ㄧ▼搴忎箣闂寸殑閫氳銆傚寘鎷偣瀵圭偣鍜屽箍鎾?
JTA錛氾紙Java Transaction API錛塉AVA浜嬪姟鏈嶅姟銆傛彁渚涘悇縐嶅垎甯冨紡浜嬪姟鏈嶅姟銆傚簲鐢ㄧ▼搴忓彧闇璋冪敤鍏舵彁渚涚殑鎺ュ彛鍗沖彲銆?
JAF錛氾紙Java Action FrameWork錛塉AVA瀹夊叏璁よ瘉妗嗘灦銆傛彁渚涗竴浜涘畨鍏ㄦ帶鍒舵柟闈㈢殑妗嗘灦銆傝寮鍙戣呴氳繃鍚勭閮ㄧ講鍜岃嚜瀹氫箟瀹炵幇鑷繁鐨勪釜鎬у畨鍏ㄦ帶鍒剁瓥鐣ャ?br />
RMI/IIOP:錛圧emote Method Invocation /internet瀵硅薄璇鋒眰涓粙鍗忚錛変粬浠富瑕佺敤浜庨氳繃榪滅▼璋冪敤鏈嶅姟銆備緥濡傦紝榪滅▼鏈変竴鍙拌綆楁満涓婅繍琛屼竴涓▼搴忥紝瀹冩彁渚涜偂紲ㄥ垎鏋愭湇鍔★紝鎴戜滑鍙互鍦ㄦ湰鍦拌綆楁満涓婂疄鐜板鍏剁洿鎺ヨ皟鐢ㄣ傚綋鐒惰繖鏄閫氳繃涓瀹氱殑瑙勮寖鎵嶈兘鍦ㄥ紓鏋勭殑緋葷粺涔嬮棿榪涜閫氫俊銆俁MI鏄疛AVA鐗規湁鐨勩?br />
]]>
<generator class="native"/>
</id>
<property name="name"/>
<set name="setValue" table="t_set_value"> // set鐨勬槧灝?/span>
<key column="set_id"/> // 澶栭敭鍏寵仈
// <composite-element> 瀵硅薄闆嗗悎
<element type="string" column="set_value"> // 瀛楃涓查泦鍚?nbsp;鏀懼叆琛ㄤ腑
</set>
<list name="listValue" table="t_list_value"> //list鐨勬槧灝?/span>
<key column="list_id"/>
<list-index column="list_index"/> // 灝嗗瓨鍏ヨ〃鏁版嵁鎺掑簭鏀懼叆涓涓瓧孌典腑
<element type="string" column="list_value"/>
</list>
<array name="arrayValue" table="t_array_value">
<key column="array_id"/>
<array-index column="array-index"/>
<element type="string" column="array_value"/>
</array>
<map name="mapValue" table="t_map_value">
<key column="map_id" />
<map-key type="string" column="map_key"/> //瀛樻斁map涓殑key鍊?/span>
<element type="string" column="map_value"/> //瀛樻斁map涓殑value鍊?/span>
</map>
</class>
</hibernate-mapping>
]]>
2 <!DOCTYPE hibernate-mapping PUBLIC
3 "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
4 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
5 <hibernate-mapping >
6 <class name="com.simplye.hibernate.User" table="t_user">
7 <id name="id">
8 <generator class="native"/>
9 </id>
10 <property name="name"/>
11
12 <many-to-one name="group" column="t_group"/>
13
14 </class>
15 </hibernate-mapping>
澶氭瀹炵敤澶栭敭
1 <?xml version="1.0"?>
2 <!DOCTYPE hibernate-mapping PUBLIC
3 "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
4 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
5 <hibernate-mapping >
6 <class name="com.simplye.hibernate.Group" table="t_group">
7 <id name="id">
8 <generator class="native"/>
9 </id>
10 <property name="name"/>
11 </class>
12 </hibernate-mapping>
2 <!DOCTYPE hibernate-mapping PUBLIC
3 "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
4 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
5 <hibernate-mapping >
6 <class name="com.simplye.hibernate.Group" table="t_group">
7 <id name="id">
8 <generator class="native"/>
9 </id>
10 <property name="name"/>
11 </class>
12 </hibernate-mapping>
]]>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="com.simplye.hibernate">
<class name="User" table="t_user">
<id name="id">
<generator class="native"/>
</id>
<property name="name"/>
<component name="contact"> //闄勫睘綾?/span>
<property name="email">
</component>
</class>
</hibernate-mapping>
]]>