в 09:19, 26 мая 2010

2010-05-26T09:19:12Z

Admin: 1 версия

2010-05-26T08:14:34Z

1 версия

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==Optionally omit the second parameter, substr returns a substring starting at the specified index and going to the end of the original string.==



<source lang="java">

package{
import flash.display.Sprite;

public class Main extends Sprite{
public function Main(){
var sTitle:String = new String("ActionScript Bible");
trace(sTitle.substr(6)); // Displays: Script Bible
}
}
}
</source>

==Specifying a negative value simply counts backward from the end of the string where -1 is the last character.==



<source lang="java">

package{
import flash.display.Sprite;

public class Main extends Sprite{
public function Main(){
var sTitle:String = new String("ActionScript AAAAA");
trace(sTitle.substr(-12, 6)); // Displays: Script
}
}
}
</source>

==substring method returns a substring starting with the starting index specified and containing all the characters up to, but not including, the ending index.==



<source lang="java">

package{
import flash.display.Sprite;

public class Main extends Sprite{
public function Main(){
var sTitle:String = new String("ActionScript");
trace(sTitle.substring(6, 12)); // Displays: Script
}
}
}
</source>

==Use lastIndexOf to get the file name without extension name==



<source lang="java">

package{
import flash.display.Sprite;

public class Main extends Sprite{
public function Main(){
var filename:String = "document.jpg";
var extensionIndex:Number = filename.lastIndexOf( "." );

var extensionless:String = filename.substr( 0, extensionIndex );
trace( "The filename is " + extensionless );

}
}
}
</source>

==Working with Substring Values: substr==



<source lang="java">

package{
import flash.display.Sprite;

public class Main extends Sprite{
public function Main(){
var sTitle:String = new String("ActionScript Bible");
trace(sTitle.substr(6, 6)); // Displays: Script
trace(sTitle.substr(0, 6)); // Displays: Action
trace(sTitle.substr(0, 12)); // Displays: ActionScript
}
}
}
</source>

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Flash / Flex / ActionScript/String/substr - История изменений

в 09:19, 26 мая 2010

Admin: 1 версия