下面实例演示了当用户点击button时,如何使用Validators.validateAll()方法同时验证多个输入的正确和StringValidator的基本用法
先看演示:
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doc/flex/Validators_validateAll/main.swf
代码在这里:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" verticalAlign="middle" backgroundColor="white" creationComplete="initApp()">
<mx:Style>
.errorTip
{
fontSize: 12;
}
</mx:Style>
<mx:Script>
<![CDATA[
import mx.events.ValidationResultEvent;
import mx.controls.Alert;
import mx.validators.Validator;
private var myValidators:Array;
private function initApp():void {
myValidators = [valid1, valid2];
}
private function clickHandler():void {
var errors:Array = Validator.validateAll(myValidators);
if (errors.length == 0) {
Alert.show("Looks valid to me.", "SUCCESS");
}
}
]]>
</mx:Script>
<mx:StringValidator id="valid1" source="{ti1}" property="text" minLength="4" maxLength="6" tooShortError="太少了吧" tooLongError="太多了吧" />
<mx:StringValidator id="valid2" source="{ti2}" property="text" minLength="4" maxLength="6" />
<mx:Label text="最少4个字符,最多6个字符,谢谢!" fontSize="12"/>
<mx:TextInput id="ti1" />
<mx:TextInput id="ti2" />
<mx:Button label="validate" click="clickHandler()" />
</mx:Application>
查看MXML