生成随机密码 AS3

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function createRandomPassword ( hashLen:uint, includeLowercase:Boolean = true, includeNumbers:Boolean = true, includeUppercase:Boolean = false ) :String
{
var strHash:
	String = "";
	if ( includeLowercase ) strHash += "abchefghjkmnpqrstuvwxyz";
	if ( includeNumbers ) strHash += "0123456789";
	if ( includeUppercase ) strHash += "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var maskPick:
	Number;
var passwordStr:
	String = "";
var maskLen:
	uint = strHash.length;
for ( var i:uint = 0; i < hashLen; i++ )
	{
		maskPick = Math.floor ( Math.random() * maskLen );
		passwordStr += strHash.charAt ( maskPick );
	}
	return passwordStr;
}

trace ( createRandomPassword ( 8 ) );
// Output
// 6k3x10h8j

trace ( createRandomPassword ( 6, true, true, true ) );
// Output
// D2jHEfT

trace ( createRandomPassword ( 16, false, true, true ) );
// Output
// O8I2DTSLHHWRI50Z

trace ( createRandomPassword ( 16, true, false, false ) );
// Output
// xxfeyshhqkrsqvhjt

trace ( createRandomPassword ( 16, false, false, true ) );
// Output
// XMXIDTIXMNGNUXZT

trace ( createRandomPassword ( 16, false, true, false ) );
// Output
// 4026352375069424