我正在尝试使用Autofac中的装饰器和委托工厂，但我似乎无法解决这些问题。
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<table border="0" width="100%" cellpadding="0" cellspacing="0">
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<th style="width: 261px; text-align:center">Sredstvo koje se izdaje</th>
<th style="width: 164px; text-align:center">Izdata sredstva - trenutno stanje</th>
<th style="width: 240px; text-align:center">Količina - početno stanje</th>
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<xsl:with-param name="fieldname">_x0418__x0437__x0434__x0430__x04</xsl:with-param>
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<xsl:param name="FirstRow" />
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<td nowrap="nowrap" class="ms-paging" align="right">
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<a>
<xsl:attribute name="href">javascript: <xsl:value-of select="ddwrt:GenFireServerEvent('dvt_firstrow={1}')" />;</xsl:attribute>
Start</a>
<xsl:text disable-output-escaping="yes" ddwrt:nbsp-preserve="yes">&nbsp;</xsl:text>
<a>
<xsl:attribute name="href">javascript: <xsl:value-of select="ddwrt:GenFireServerEvent(concat('dvt_firstrow={',$PrevRow,'}'))" />;</xsl:attribute>
<img src="/_layouts/images/prev.gif" border="0" alt="Previous" />
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- <xsl:value-of select="$LastRowValue" />
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<img src="/_layouts/images/next.gif" border="0" alt="Next" />
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<xsl:if test="$showheader" ddwrt:cf_ignore="1">
<tr id="group{$groupid}" style="display:{$displaystyle}">
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<img src="{$imagesrc}" border="0" alt="{$alttext}" name="{$altname}" /></a>
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</tr>
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我想注入这样的服务：
public interface IFoo
{ }
public class Foo : IFoo
{
public Foo(string bar)
{ ... }
}
public class DecoratedFoo : IFoo
{
public DecoratedFoo(IFoo decorated)
{ ... }
}
我已经注册了这样的组件：
public SomeService(Func<string, IFoo> factory)
{
// I would expect IFoo to be a DecoratedFoo here
IFoo foo = factory("hello");
}
我收到一条错误消息，说它无法解析我的参数栏。这是一个简化的例子，但我不知道bar的值是什么（因此使用工厂）。
有没有办法完成我正在做的事情？
答案 0 :(得分：1)
当您使用array1 = Array("USA", "UK", "Singapore", "China")
array2 = Array("India", "USA", "UK", "New Zealand")
array3 = Evaluate("IFERROR(MATCH({""" & Join(array2, """,""") & """},{""" & Join(array1, """,""") & """},0),)")
Debug.Print Join(array3) ' "0 1 2 0"
时，它不会传播您传递到工厂的字符串参数更深入到RegisterDecorator构造函数。这是一个开放的issue。所以在这一行
Foo它将抛出异常（正如您所观察到的），因为它将尝试查找IFoo foo = factory("hello");
的无参数构造函数，但没有。
要修复此问题，您可以删除Foo，而是手动执行此操作：
RegisterDecorator几乎相同数量的代码，但按预期工作，因为您手动传播参数。