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17.3.4 使用XML资源文件
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17.3.4 使用XML资源文件
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2006-10-13 14:41:00
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<div style='float:left;width:49%'>·<a href='100165499.htm'>17.3.1 外包翻译</a></div><div style='float:right;width:49%'>·<a href='100165500.htm'>17.3.2 编程修改文化</a></div><div style='float:left;width:49%'>·<a href='100165501.htm'>17.3.3 使用二进制资源文件</a></div><div style='float:right;width:49%'>·<a href='100165503.htm'>17.3.5 资源的自动回退</a></div><div style='float:left;width:49%'>·<a href='100165504.htm'>17.4 ASP.NET应用程序的国际化和本地化</a></div><div style='float:right;width:49%'>·<a href='100165505.htm'>17.5 定制的资源读取器</a></div></div>
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<div id="text"> <link href="css.css" rel="stylesheet" type="text/css" /><h3 style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 0cm; MARGIN-RIGHT: 0cm; FTEL: 8.15pt"><a ftel="_Toc507815138"><span lang="EN-US">17.3.4 </span></a><span style="FONT-FAMILY: 黑体">使用</span><span lang="EN-US">XML</span><span style="FONT-FAMILY: 黑体">资源文件</span></h3>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">使用</span><span lang="EN-US">resgen</span><span style="FONT-FAMILY: 宋体">命令，可以在基于文本的资源文件的外部创建</span><span lang="EN-US">XML</span><span style="FONT-FAMILY: 宋体">资源：</span></p>
<p class="MsoNormal"><span lang="ES">●</span><span lang="ES" style="FONT-FAMILY: 宋体"> </span><strong><span lang="ES">resgen welcome.txt welcome.resx</span></strong></p>
<p class="MsoNormal"><span lang="ES">●</span><span lang="ES" style="FONT-FAMILY: 宋体"> </span><strong><span lang="ES">resgen welcome.de.txt welcome.de.resx</span></strong></p>
<p class="MsoNormal"><span lang="ES">●</span><span lang="ES" style="FONT-FAMILY: 宋体"> </span><strong><span lang="ES">resgen welcome.fr.txt welcome.fr.resx</span></strong></p>
<p class="MsoNormal" style="LINE-HEIGHT: 18pt"><span style="FONT-FAMILY: 宋体">然后</span><span style="FONT-FAMILY: 宋体">，</span><span style="FONT-FAMILY: 宋体">使用</span><span lang="ES">Solution Explorer</span><span style="FONT-FAMILY: 宋体">中的</span><span lang="ES">Add | Add Existing Item</span><span style="FONT-FAMILY: 宋体">把这些已生成的基于</span><span lang="ES">XML</span><span style="FONT-FAMILY: 宋体">的资源文件添加到项目中。类似于二进制资源文件</span><span style="FONT-FAMILY: 宋体">，</span><span lang="ES">.resx</span><span style="FONT-FAMILY: 宋体">文件的</span><span lang="ES">BuildAction</span><span style="FONT-FAMILY: 宋体">被</span><span style="FONT-FAMILY: 宋体">设置为</span><span lang="ES">Embedded Resource</span><span style="FONT-FAMILY: 宋体">。在建立项目时，资源会添加到辅助程序集中。</span></p>
<p class="MsoNormal" style="LINE-HEIGHT: 18pt"><span style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt">现在，在辅助程序集中有两个</span><span lang="EN-US" style="LETTER-SPACING: 0.1pt">.mresource</span><span style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt">项</span><span style="FONT-FAMILY: 宋体">，如图</span><span lang="EN-US">17-18</span><span style="FONT-FAMILY: 宋体">所示<span style="LETTER-SPACING: 0.1pt">，资源</span></span><span lang="EN-US">Wrox.ProCSharp. Localization.BookOfTheDayForm.de<span style="LETTER-SPACING: 0.1pt"> </span></span><span style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt">最初是在</span><span lang="EN-US" style="LETTER-SPACING: -0.2pt">Windows</span><span style="FONT-FAMILY: 宋体; LETTER-SPACING: -0.2pt">窗体设计器中创建的，资源</span><span lang="EN-US">Wrox. ProCSharp.Localization.Welcome.de </span><span style="FONT-FAMILY: 宋体">则是在</span><span lang="EN-US">Welcome.de.resx </span><span style="FONT-FAMILY: 宋体">资源文件中创建的。</span></p>
<p align="center"><span lang="EN-US"><img height="166" src="17/image018.jpg" width="368" alt="" /></span></p>
<p style="FTEL: 8.15pt" align="center"><span style="FONT-FAMILY: 宋体">图</span><span lang="EN-US"> 17-18</span></p>
<p class="MsoNormal" style="LINE-HEIGHT: 18pt"><span style="FONT-FAMILY: 宋体">当然还必须修改</span><span lang="EN-US">WelcomeMessage()</span><span style="FONT-FAMILY: 宋体">方法的源代码，以使用资源。在当前程序集中创建一个</span><span lang="EN-US">ResourceManager</span><span style="FONT-FAMILY: 宋体">实例，以获得资源</span><span lang="EN-US">Wrox.ProCSharp.Localization.Welcome</span><span style="FONT-FAMILY: 宋体">。利用这个资源管理器，可以获取以前在资源文件中使用</span><span lang="EN-US">GetString()</span><span style="FONT-FAMILY: 宋体">方法创建的资源。</span></p>
<p class="MsoNormal" style="LINE-HEIGHT: 18pt"><span style="FONT-FAMILY: 宋体">对于</span><span lang="EN-US">ResourceManager</span><span style="FONT-FAMILY: 宋体">类，必须声明命名空间</span><span lang="EN-US">System.Resources</span><span style="FONT-FAMILY: 宋体">，</span><span lang="EN-US">Assembly</span><span style="FONT-FAMILY: 宋体">类在命名空间</span><span lang="EN-US">System.Reflection</span><span style="FONT-FAMILY: 宋体">中：</span></p>
<p class="a6" style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><span lang="ES">public void WelcomeMessage()</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES">{</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> ResourceManager resource = new </span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> </span><span lang="EN-US">new</span><span lang="ES"> ResourceManager("Wrox.ProCSharp.Localization.Welcome", </span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> Assembly.GetExecutingAssembly());</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> DateTime now = DateTime.Now;</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> string message;</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> if (now.Hour <= 12)</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> {</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> message = resource.GetString("GoodMorning");</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> }</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> else </span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> if (now.Hour <= 19)</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> {</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> message = resource.GetString("GoodAfternoon");</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> }</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> else</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 15pt; FTEL: 18.45pt"><span lang="ES"> {</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 14.5pt; FTEL: 18.45pt"><span lang="ES"> message = resource.GetString("GoodEvening");</span></p>
<p class="2" style="BACKGROUND: none transparent scroll repeat 0% 0%; MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 14.5pt; FTEL: 18.45pt"><span lang="ES"> }</span></p>
<p class="2" style="BACKGROUND: none transparent scroll repeat 0% 0%; MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 14.5pt; FTEL: 18.45pt"><span lang="ES"> MessageBox.Show(message + "\nThis is a localization sample");</span></p>
<p class="a6" style="MARGIN-TOP: 0cm; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><span lang="ES">}</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">使用</span><span lang="ES">English</span><span style="FONT-FAMILY: 宋体">、</span><span lang="ES">German</span><span style="FONT-FAMILY: 宋体">和</span><span lang="ES"> French </span><span style="FONT-FAMILY: 宋体">启动程序</span><span style="FONT-FAMILY: 宋体">，</span><span style="FONT-FAMILY: 宋体">会得到如图</span><span lang="ES">17-19</span><span style="FONT-FAMILY: 宋体">、</span><span lang="ES">17-20</span><span style="FONT-FAMILY: 宋体">和</span><span lang="ES">17-21</span><span style="FONT-FAMILY: 宋体">所示的消息框</span><span style="FONT-FAMILY: 宋体">。</span></p>
<p style="FTEL: .0001pt" align="center"><span lang="ES"><img height="84" src="17/image019.jpg" width="121" alt="" /> <img height="83" width="121" alt="" src="17/image020.jpg" /> <img height="83" src="17/image021.jpg" width="121" alt="" /></span></p>
<p style="FTEL: 8.15pt" align="center"><span style="FONT-FAMILY: 宋体">图</span><span lang="ES"> 17-19 </span><span style="FONT-FAMILY: 宋体">图</span><span lang="ES"> 17-20 </span><span style="FONT-FAMILY: 宋体">图</span><span lang="ES"> 17-21</span></p></div>
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