basicstringoperation.as

《Flash AS3殿堂之路》光盘源码 学习ActionScript 3.0

package org.kingda.book.string
{
	import flash.display.Sprite;

	public class BasicStringOperation extends Sprite
	{
		public function BasicStringOperation() {
			//sampleCharAndCharCode();
			//sampleFromCharCode();
			//sampleSubStr();
			var age:uint = 15;
			if((age > 12)&&(age <40)) {
				trace ("您是青年人!");
			} else {
				trace ("您不是青年人!");
			}
			//输出:您是青年人!
			age = 2000;
			if ((age <0) ||(age >1000)) {
				trace ("不是人啊!");
			}
			//输出:不是人啊!
			var failed:Boolean = false;
			if (!failed) {
				trace ("没有失败!")
			}
		}
		
		private function sampleSubStr():void {
			var foo:String = "Welcome to visit Kingda.org";
			var bar:String = foo.substr(1,5);
			trace (foo + ":" + bar);
			bar = foo.substring(0,6);
			trace (foo + ":" + bar);
			bar = foo.slice(6,-3);
			trace (foo + ":" + bar);		
		}
		
		private function sampleFromCharCode():void {
			var foo:String = String.fromCharCode(27583,22530,20043,36335);
			trace (foo);
			foo = String.fromCharCode(0x41, 0x53, 0x33);
			trace (foo);
		}
		
		private function sampleCharAndCharCode():void {
			var foo:String = "ActionScript3殿堂之路";
			for (var i:int = 0; i<foo.length; i++) {
				trace (foo.charAt(i)+ "\tunicode字符整型值为: " + foo.charCodeAt(i) 
					+ "\t十六进制为:"+foo.charCodeAt(i).toString(16));
			}
			/*输出:
			A	unicode字符整型值为: 65	十六进制为:41
			c	unicode字符整型值为: 99	十六进制为:63
			t	unicode字符整型值为: 116	十六进制为:74
			i	unicode字符整型值为: 105	十六进制为:69
			o	unicode字符整型值为: 111	十六进制为:6f
			n	unicode字符整型值为: 110	十六进制为:6e
			S	unicode字符整型值为: 83	十六进制为:53
			c	unicode字符整型值为: 99	十六进制为:63
			r	unicode字符整型值为: 114	十六进制为:72
			i	unicode字符整型值为: 105	十六进制为:69
			p	unicode字符整型值为: 112	十六进制为:70
			t	unicode字符整型值为: 116	十六进制为:74
			3	unicode字符整型值为: 51	十六进制为:33
			殿	unicode字符整型值为: 27583	十六进制为:6bbf
			堂	unicode字符整型值为: 22530	十六进制为:5802
			之	unicode字符整型值为: 20043	十六进制为:4e4b
			路	unicode字符整型值为: 36335	十六进制为:8def

			*/
		}
	}
	
	
	
}