Java 判断操作系统类型(适用于各种操作系统)

/**
?*?平台
?*?@author?isea533
?*/
public?enum?EPlatform?{
	Any("any"),Linux("Linux"),Mac_OS("Mac?OS"),Mac_OS_X("Mac?OS?X"),Windows("Windows"),OS2("OS/2"),Solaris("Solaris"),SunOS("SunOS"),MPEiX("MPE/iX"),HP_UX("HP-UX"),AIX("AIX"),OS390("OS/390"),FreeBSD("FreeBSD"),Irix("Irix"),Digital_Unix("Digital?Unix"),NetWare_411("NetWare"),OSF1("OSF1"),OpenVMS("OpenVMS"),Others("Others");
	
	private?EPlatform(String?desc){
		this.description?=?desc;
	}
	
	public?String?toString(){
		return?description;
	}
	
	private?String?description;
}

/**
?*?操作系统类：
?*?获取System.getProperty("os.name")对应的操作系统
?*?@author?isea533
?*/
public?class?OSinfo?{
	
	private?static?String?OS?=?System.getProperty("os.name").toLowerCase();
	
	private?static?OSinfo?_instance?=?new?OSinfo();
	
	private?EPlatform?platform;
	
	private?OSinfo(){}
	
	public?static?boolean?isLinux(){
		return?OS.indexOf("linux")>=0;
	}
	
	public?static?boolean?isMacOS(){
		return?OS.indexOf("mac")>=0&&OS.indexOf("os")>0&&OS.indexOf("x")<0;
	}
	
	public?static?boolean?isMacOSX(){
		return?OS.indexOf("mac")>=0&&OS.indexOf("os")>0&&OS.indexOf("x")>0;
	}
	
	public?static?boolean?isWindows(){
		return?OS.indexOf("windows")>=0;
	}
	
	public?static?boolean?isOS2(){
		return?OS.indexOf("os/2")>=0;
	}
	
	public?static?boolean?isSolaris(){
		return?OS.indexOf("solaris")>=0;
	}
	
	public?static?boolean?isSunOS(){
		return?OS.indexOf("sunos")>=0;
	}
	
	public?static?boolean?isMPEiX(){
		return?OS.indexOf("mpe/ix")>=0;
	}
	
	public?static?boolean?isHPUX(){
		return?OS.indexOf("hp-ux")>=0;
	}
	
	public?static?boolean?isAix(){
		return?OS.indexOf("aix")>=0;
	}
	
	public?static?boolean?isOS390(){
		return?OS.indexOf("os/390")>=0;
	}
	
	public?static?boolean?isFreeBSD(){
		return?OS.indexOf("freebsd")>=0;
	}
	
	public?static?boolean?isIrix(){
		return?OS.indexOf("irix")>=0;
	}
	
	public?static?boolean?isDigitalUnix(){
		return?OS.indexOf("digital")>=0&&OS.indexOf("unix")>0;
	}
	
	public?static?boolean?isNetWare(){
		return?OS.indexOf("netware")>=0;
	}
	
	public?static?boolean?isOSF1(){
		return?OS.indexOf("osf1")>=0;
	}
	
	public?static?boolean?isOpenVMS(){
		return?OS.indexOf("openvms")>=0;
	}
	
	/**
	?*?获取操作系统名字
	?*?@return?操作系统名
	?*/
	public?static?EPlatform?getOSname(){
		if(isAix()){
			_instance.platform?=?EPlatform.AIX;
		}else?if?(isDigitalUnix())?{
			_instance.platform?=?EPlatform.Digital_Unix;
		}else?if?(isFreeBSD())?{
			_instance.platform?=?EPlatform.FreeBSD;
		}else?if?(isHPUX())?{
			_instance.platform?=?EPlatform.HP_UX;
		}else?if?(isIrix())?{
			_instance.platform?=?EPlatform.Irix;
		}else?if?(isLinux())?{
			_instance.platform?=?EPlatform.Linux;
		}else?if?(isMacOS())?{
			_instance.platform?=?EPlatform.Mac_OS;
		}else?if?(isMacOSX())?{
			_instance.platform?=?EPlatform.Mac_OS_X;
		}else?if?(isMPEiX())?{
			_instance.platform?=?EPlatform.MPEiX;
		}else?if?(isNetWare())?{
			_instance.platform?=?EPlatform.NetWare_411;
		}else?if?(isOpenVMS())?{
			_instance.platform?=?EPlatform.OpenVMS;
		}else?if?(isOS2())?{
			_instance.platform?=?EPlatform.OS2;
		}else?if?(isOS390())?{
			_instance.platform?=?EPlatform.OS390;
		}else?if?(isOSF1())?{
			_instance.platform?=?EPlatform.OSF1;
		}else?if?(isSolaris())?{
			_instance.platform?=?EPlatform.Solaris;
		}else?if?(isSunOS())?{
			_instance.platform?=?EPlatform.SunOS;
		}else?if?(isWindows())?{
			_instance.platform?=?EPlatform.Windows;
		}else{
			_instance.platform?=?EPlatform.Others;
		}
		return?_instance.platform;
	}
	/**
	?*?@param?args
	?*/
	public?static?void?main(String[]?args)?{
		System.out.println(OSinfo.getOSname());
	}

}

class?WhatOS?
{
??public?static?void?main(?String?args[]?)?
??{
????System.out.println(?System.getProperty("os.name")?);//这个方法可以直接输出操作系统名称。
????System.out.println(?System.getProperty("os.version")?);
????System.out.println(?System.getProperty("os.arch")?);
??}
}