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	<title>中文Flex例子 &#187; restrict</title>
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		<title>Flex Gumbo中如何通过restrict属性限制TextInput输入特定字符的例子</title>
		<link>http://blog.minidx.com/2009/08/19/2847.html</link>
		<comments>http://blog.minidx.com/2009/08/19/2847.html#comments</comments>
		<pubDate>Wed, 19 Aug 2009 14:26:44 +0000</pubDate>
		<dc:creator>Minidxer</dc:creator>
				<category><![CDATA[Gumbo]]></category>
		<category><![CDATA[TextInput]]></category>
		<category><![CDATA[restrict]]></category>

		<guid isPermaLink="false">http://blog.minidx.com/?p=2847</guid>
		<description><![CDATA[接下来的例子演示了Flex Gumbo中如何通过restrict属性，限制TextInput输入特定字符。 
让我们先来看一下Demo（可以点击这里察看源代码）：









下面是完整代码(或点击这里察看)：
下面是main.mxml：
&#60;?xml version=&#34;1.0&#34; encoding=&#34;utf-8&#34;?&#62;
&#60;s:Application&#160;name=&#34;Spark_TextInput_restrict_test&#34;
&#160; &#160; &#160; &#160; xmlns:fx=&#34;http://ns.adobe.com/mxml/2009&#34;
&#160; &#160; &#160; &#160; xmlns:s=&#34;library://ns.adobe.com/flex/spark&#34;&#62;
&#160;
&#160; &#160; &#60;s:VGroup&#160;horizontalCenter=&#34;0&#34; verticalCenter=&#34;0&#34;&#62;
&#160; &#160; &#160; &#160; &#60;s:SimpleText&#160;text=&#34;Allowed characters are 0-9 and A-F:&#34; /&#62;
&#160; &#160; &#160; &#160; &#60;s:TextInput&#160;id=&#34;textInput&#34;
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; restrict=&#34;0-9A-F&#34;
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; widthInChars=&#34;20&#34;
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; maxChars=&#34;20&#34;&#160;/&#62;
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		<title>Flex中如何通过设置restrict属性在TextInput控件中限制用户可以输入的字符串的例子</title>
		<link>http://blog.minidx.com/2008/05/16/851.html</link>
		<comments>http://blog.minidx.com/2008/05/16/851.html#comments</comments>
		<pubDate>Fri, 16 May 2008 11:30:41 +0000</pubDate>
		<dc:creator>Minidxer</dc:creator>
				<category><![CDATA[Flex]]></category>
		<category><![CDATA[restrict]]></category>
		<category><![CDATA[TextInput]]></category>
		<category><![CDATA[字符串]]></category>

		<guid isPermaLink="false">http://blog.minidx.com/2008/05/16/851.html</guid>
		<description><![CDATA[接下来的例子演示了Flex中如何通过设置restrict属性，在TextInput控件中限制用户可以输入的字符串。本例中在restrict属性中设置了&#8220;0-9\-&#8221;,也就是只允许用户输入0到9的数字以及间隔符（-）。
让我们先来看一下Demo（可以右键View Source或点击这里察看源代码）：









下面是完整代码(或点击这里查看)：
Download: main.mxml&#60;?xml version=&#34;1.0&#34; encoding=&#34;utf-8&#34;?&#62;
&#60;mx:Application&#160;xmlns:mx=&#34;http://www.adobe.com/2006/mxml&#34;
&#160; &#160; &#160; &#160; layout=&#34;vertical&#34;
&#160; &#160; &#160; &#160; verticalAlign=&#34;middle&#34;
&#160; &#160; &#160; &#160; backgroundColor=&#34;white&#34;&#62;
&#160;
&#160; &#160; &#60;mx:Script&#62;
&#160; &#160; &#160; &#160; &#60;![CDATA[
&#160; &#160; &#160; &#160; &#160; &#160; private function textInput_change(evt:Event):void {
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; arrColl.addItem(evt);
&#160; &#160; &#160; &#160; &#160; &#160; }
&#160; &#160; &#160; &#160; ]]&#62;
&#160; &#160; &#60;/mx:Script&#62;
&#160;
&#160; &#160; &#60;mx:ArrayCollection&#160;id=&#34;arrColl&#34; /&#62;
&#160;
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