初学NHibernate1.2.0.4000注意事项
本来刚刚初学,遇到一些问题罗列一下,给我一样的初学者参考一下。
请先下载NHibernate源码,并添加Application1项目(控制台应用程序)
第一步 建表(SQL语句)
第二步 建实体类User.cs
第三步写映射文件User.hbm.xml
第四步建配置文件App.config
最后一步就可以写运行的Program.cs
这样你就可以运行了。
参考http://www.hibernate.org/362.html
在这里的示例代码你要注意几点:
1.User.hbm.xml这个文件是嵌入的资源的
2.User.hbm.xml文件中
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.0">要改成<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2">
3.User.cs文件中前面要加virtual修饰
请先下载NHibernate源码,并添加Application1项目(控制台应用程序)
第一步 建表(SQL语句)
use dbtemp
go
CREATE TABLE users (
LogonID nvarchar(20) NOT NULL default '0',
Name nvarchar(40) default NULL,
Password nvarchar(20) default NULL,
EmailAddress nvarchar(40) default NULL,
LastLogon datetime default NULL,
PRIMARY KEY (LogonID)
)
go
go
CREATE TABLE users (
LogonID nvarchar(20) NOT NULL default '0',
Name nvarchar(40) default NULL,
Password nvarchar(20) default NULL,
EmailAddress nvarchar(40) default NULL,
LastLogon datetime default NULL,
PRIMARY KEY (LogonID)
)
go
第二步 建实体类User.cs
using System;
using System.Collections.Generic;
using System.Text;
namespace Application1
{
public class User
{
private string id;
private string userName;
private string password;
private string emailAddress;
private DateTime lastLogon;
public User()
{
}
public virtual string Id
{
get { return id; }
set { id = value; }
}
public virtual string UserName
{
get { return userName; }
set { userName = value; }
}
public virtual string Password
{
get { return password; }
set { password = value; }
}
public virtual string EmailAddress
{
get { return emailAddress; }
set { emailAddress = value; }
}
public virtual DateTime LastLogon
{
get { return lastLogon; }
set { lastLogon = value; }
}
}
}
using System.Collections.Generic;
using System.Text;
namespace Application1
{
public class User
{
private string id;
private string userName;
private string password;
private string emailAddress;
private DateTime lastLogon;
public User()
{
}
public virtual string Id
{
get { return id; }
set { id = value; }
}
public virtual string UserName
{
get { return userName; }
set { userName = value; }
}
public virtual string Password
{
get { return password; }
set { password = value; }
}
public virtual string EmailAddress
{
get { return emailAddress; }
set { emailAddress = value; }
}
public virtual DateTime LastLogon
{
get { return lastLogon; }
set { lastLogon = value; }
}
}
}
第三步写映射文件User.hbm.xml
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2">
<class name="Application1.User, Application1" table="users">
<id name="Id" column="LogonId" type="String" length="20">
<generator class="assigned" />
</id>
<property name="UserName" column="Name" type="String" length="40"/>
<property name="Password" type="String" length="20"/>
<property name="EmailAddress" type="String" length="40"/>
<property name="LastLogon" type="DateTime"/>
</class>
</hibernate-mapping>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2">
<class name="Application1.User, Application1" table="users">
<id name="Id" column="LogonId" type="String" length="20">
<generator class="assigned" />
</id>
<property name="UserName" column="Name" type="String" length="40"/>
<property name="Password" type="String" length="20"/>
<property name="EmailAddress" type="String" length="40"/>
<property name="LastLogon" type="DateTime"/>
</class>
</hibernate-mapping>
第四步建配置文件App.config
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section
name="nhibernate"
type="System.Configuration.NameValueSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
/>
</configSections>
<nhibernate>
<add
key="hibernate.connection.provider"
value="NHibernate.Connection.DriverConnectionProvider"
/>
<add
key="hibernate.dialect"
value="NHibernate.Dialect.MsSql2000Dialect"
/>
<add
key="hibernate.connection.driver_class"
value="NHibernate.Driver.SqlClientDriver"
/>
<add
key="hibernate.connection.connection_string"
value="Server=localhost;initial catalog=tempdb;Integrated Security=SSPI"
/>
</nhibernate>
</configuration>
<configuration>
<configSections>
<section
name="nhibernate"
type="System.Configuration.NameValueSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
/>
</configSections>
<nhibernate>
<add
key="hibernate.connection.provider"
value="NHibernate.Connection.DriverConnectionProvider"
/>
<add
key="hibernate.dialect"
value="NHibernate.Dialect.MsSql2000Dialect"
/>
<add
key="hibernate.connection.driver_class"
value="NHibernate.Driver.SqlClientDriver"
/>
<add
key="hibernate.connection.connection_string"
value="Server=localhost;initial catalog=tempdb;Integrated Security=SSPI"
/>
</nhibernate>
</configuration>
最后一步就可以写运行的Program.cs
using System;
using System.Collections.Generic;
using System.Text;
using NHibernate.Cfg;
using NHibernate;
namespace Application1
{
class Program
{
static void Main(string[] args)
{
Configuration cfg = new Configuration();
cfg.AddAssembly("Application1");
ISessionFactory factory = cfg.BuildSessionFactory();
ISession session = factory.OpenSession();
ITransaction transaction = session.BeginTransaction();
User newUser = new User();
newUser.Id = "joe_cool";
newUser.UserName = "Joseph Cool";
newUser.Password = "abc123";
newUser.EmailAddress = "joe@cool.com";
newUser.LastLogon = DateTime.Now;
session.Save(newUser);
transaction.Commit();
session.Close();
}
}
}
using System.Collections.Generic;
using System.Text;
using NHibernate.Cfg;
using NHibernate;
namespace Application1
{
class Program
{
static void Main(string[] args)
{
Configuration cfg = new Configuration();
cfg.AddAssembly("Application1");
ISessionFactory factory = cfg.BuildSessionFactory();
ISession session = factory.OpenSession();
ITransaction transaction = session.BeginTransaction();
User newUser = new User();
newUser.Id = "joe_cool";
newUser.UserName = "Joseph Cool";
newUser.Password = "abc123";
newUser.EmailAddress = "joe@cool.com";
newUser.LastLogon = DateTime.Now;
session.Save(newUser);
transaction.Commit();
session.Close();
}
}
}
这样你就可以运行了。
参考http://www.hibernate.org/362.html
在这里的示例代码你要注意几点:
1.User.hbm.xml这个文件是嵌入的资源的
2.User.hbm.xml文件中
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.0">要改成<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2">
3.User.cs文件中前面要加virtual修饰