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经过很多努力,我一直无法在我的应用程序层和业务层之间创建一个简单的DI示例。无法获得弹簧依赖注入以在简单的Web应用程序上工作
这里是我的web.config春天片段:
<configSections>
<sectionGroup name="spring">
<section name="context" type="Spring.Context.Support.WebContextHandler, Spring.Web"/>
<section name="objects" type="Spring.Context.Support.DefaultSectionHandler, Spring.Core"/>
<section name="parsers" type="Spring.Context.Support.NamespaceParsersSectionHandler, Spring.Core"/>
</sectionGroup>
</configSections>
<spring>
<parsers>
<parser type="Spring.Data.Config.DatabaseNamespaceParser, Spring.Data"/>
<parser type="Spring.Transaction.Config.TxNamespaceParser, Spring.Data"/>
</parsers>
<context>
<resource uri="config://spring/objects"/>
<resource uri="~/BusinessLayer/Business.xml"/>
<resource uri="~/Web.xml"/>
</context>
<objects xmlns="http://www.springframework.net" xmlns:db="http://www.springframework.net/database" xmlns:tx="http://www.springframework.net/tx">
<!-- Pages -->
</objects>
</spring>
这是Business.xml
<?xml version="1.0" encoding="utf-8" ?>
<objects xmlns="http://www.springframework.net" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.net http://www.springframework.net/xsd/spring-objects.xsd">
<object id="UserBLL" type="Kupla.BusinessLayer.UserBLL, Kupla.BusinessLayer">
</object>
</objects>
这是在web.xml:
<?xml version="1.0" encoding="utf-8" ?>
<objects xmlns="http://www.springframework.net" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.net http://www.springframework.net/xsd/spring-objects.xsd">
<object type="default.aspx">
<property name="UserBLL" ref="UserBLL"></property>
</object>
</objects>
这是业务层中UserBLL.cs的定义:
namespace Kupla.BusinessLayer
{
class UserBLL : IUserBLL
{
public int TestGetUserId()
{
int userId = 1;
return userId;
}
}
}
终于在应用层的代码试图从default.aspx.cs访问业务层:
using System;
using Kupla.BusinessLayer;
namespace Kupla
{
public partial class _default : System.Web.UI.Page
{
private IUserBLL _userBLL;
public IUserBLL UserBLL
{
set { _userBLL = value; }
}
protected void Page_Load(object sender, EventArgs e)
{
int userID = _userBLL.TestGetUserId();
}
}
}
当启动该网站,_userBLL为空。我的DI在某处失败。
非常感谢。