hibernate 教程
原理:
http://wenku.baidu.com/view/3f2848eef8c75fbfc77db231.html
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实践:
结合两个例子实践:
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http://developer.51cto.com/art/200906/126554.htm
http://wenku.baidu.com/view/3182112acfc789eb172dc886.html
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出的问题:
a.
(转自他人的)
- 这个时候得看其他的方面。我出现的问题是
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- 在这里没有写
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- ?添加这句话之后程序OK.
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?new Configuration()默认是读取hibernate.properties
?所以使用new Configuration().configure()来读取hibernate.cfg.xml文件
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b.
<?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">
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c.
<hibernate-configuration>
??? <session-factory>
??? ??? <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
??????? <property name="hibernate.connection.url">jdbc:mysql://localhost/test</property>
?????? ??? <property name="hibernate.connection.username">root</property>
?? ??? ??? ?<property name="hibernate.connection.password">1234</property>
??????? <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
??????? <property name="show_sql">true</property>
??????? <mapping resource="com/wshiw/model/User.hbm.xml" />
??? </session-factory>
</hibernate-configuration>
<hibernate-mapping>
??? <class name="com.wshiw.model.User" table="user">
??? ??? <id name="id" type="java.lang.Integer">
??? ??? ??? <column name="id" />
??? ??? ??? <generator />
??? ??? </id>
??? ??? <property name="name" column="name" type="java.lang.String" >
??? ??? </property>
??? ??? <property name="age"? column="age" type="java.lang.Integer" >
??? ??? </property>
??? </class>
</hibernate-mapping>
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d.
Query query = session.createQuery("from User where username = ? and password = ?");
注意User是大写开头的,就对象而不是表名。
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