Hibernate 3.0 版本
XML 配置文件一定要遵守 Hibernate 3 Configuration DTD,在 http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd. 这个网址中是可以找到的。
以mysql数据库为例:
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration SYSTEM
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</property>
<property name="hibernate.connection.driver_class">
com.mysql.jdbc.Driver
</property>
<!-- Assume test is the database name -->
<property name="hibernate.connection.url">
jdbc:mysql://localhost/test
</property>
<property name="hibernate.connection.username">
root
</property>
<property name="hibernate.connection.password">
root123
</property>
<!-- List of XML mapping files -->
<mapping resource="Employee.hbm.xml"/>
</session-factory>
</hibernate-configuration>
数据库 | 方言属性 |
---|---|
DB2 | org.hibernate.dialect.DB2Dialect |
HSQLDB | org.hibernate.dialect.HSQLDialect |
HypersonicSQL | org.hibernate.dialect.HSQLDialect |
Informix | org.hibernate.dialect.InformixDialect |
Ingres | org.hibernate.dialect.IngresDialect |
Interbase | org.hibernate.dialect.InterbaseDialect |
Microsoft SQL Server 2000 | org.hibernate.dialect.SQLServerDialect |
Microsoft SQL Server 2005 | org.hibernate.dialect.SQLServer2005Dialect |
Microsoft SQL Server 2008 | org.hibernate.dialect.SQLServer2008Dialect |
MySQL | org.hibernate.dialect.MySQLDialect |
Oracle (any version) | org.hibernate.dialect.OracleDialect |
Oracle 11g | org.hibernate.dialect.Oracle10gDialect |
Oracle 10g | org.hibernate.dialect.Oracle10gDialect |
Oracle 9i | org.hibernate.dialect.Oracle9iDialect |
PostgreSQL | org.hibernate.dialect.PostgreSQLDialect |
Progress | org.hibernate.dialect.ProgressDialect |
SAP DB | org.hibernate.dialect.SAPDBDialect |
Sybase | org.hibernate.dialect.SybaseDialect |
Sybase Anywhere | org.hibernate.dialect.SybaseAnywhereDialec |
.hbm.xml
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="Employee" table="EMPLOYEE">
<meta attribute="class-description">
This class contains the employee detail.
</meta>
<id name="id" type="int" column="id">
<generator class="native"/>
</id>
<property name="firstName" column="first_name" type="string"/>
<property name="lastName" column="last_name" type="string"/>
<property name="salary" column="salary" type="int"/>
</class>
</hibernate-mapping>
原始类型
映射类型 | Java 类型 | ANSI SQL 类型 |
---|---|---|
integer | int 或 java.lang.Integer | INTEGER |
long | long 或 java.lang.Long | BIGINT |
short | short 或 java.lang.Short | SMALLINT |
float | float 或 java.lang.Float | FLOAT |
double | double 或 java.lang.Double | DOUBLE |
big_decimal | java.math.BigDecimal | NUMERIC |
character | java.lang.String | CHAR(1) |
string | java.lang.String | VARCHAR |
byte | byte 或 java.lang.Byte | TINYINT |
boolean | boolean 或 java.lang.Boolean | BIT |
yes/no | boolean 或 java.lang.Boolean | CHAR(1) (‘Y’ or ‘N’) |
true/false | boolean 或 java.lang.Boolean | CHAR(1) (‘T’ or ‘F’) |
日期和时间类型
映射类型 | Java 类型 | ANSI SQL 类型 |
---|---|---|
date | java.util.Date 或 java.sql.Date | DATE |
time | java.util.Date 或 java.sql.Time | TIME |
timestamp | java.util.Date 或 java.sql.Timestamp | TIMESTAMP |
calendar | java.util.Calendar | TIMESTAMP |
calendar_date | java.util.Calendar | DATE |
二进制和大型数据对象
映射类型 | Java 类型 | ANSI SQL 类型 |
---|---|---|
binary | byte[] | VARBINARY (or BLOB) |
text | java.lang.String | CLOB |
serializable | any Java class that implements java.io.Serializable | VARBINARY (or BLOB) |
clob | java.sql.Clob | CLOB |
blob | java.sql.Blob | BLOB |
JDK 相关类型
映射类型 | Java 类型 | ANSI SQL 类型 |
---|---|---|
class | java.lang.Class | VARCHAR |
locale | java.util.Locale | VARCHAR |
timezone | java.util.TimeZone | VARCHAR |
currency | java.util.Currency | VARCHAR |
资料来源于W3Cschool