PS_Split Channels to Files

gistfile1.js

(function (){
	var op =  new TiffSaveOptions;
	op.imageCompression = TIFFEncoding.TIFFLZW;
	app.documents.length == 1 && splitChannels (activeDocument);

	function splitChannels (doc) {
		var fn = doc.name,
			fp = doc.path,
			md = doc.mode,
			base = fn.replace(/\.\w{2,4}$/, ''),
			F = function (doc, i){
				doc.saveAs(File(fp + '/' + base + '-' + i + '.tif'), op);
				doc.close(SaveOptions.DONOTSAVECHANGES);
			},
			i = null;
		// 下面这行适用于CS5 版，CS2试试改为: executeAction(charIDToTypeID( "Opn " ), new ActionDescriptor(), DialogModes.NO); 
		executeAction(charIDToTypeID( "SplC" ), new ActionDescriptor(), DialogModes.NO); 
		i = app.documents.length;
		if (md == DocumentMode.CMYK) {
			for (; --i > -1; F(app.documents[i], i > 3 ? i + 1 : [2,3,4,1][i]));
		} else if (md == DocumentMode.MULTICHANNEL) {
			for (; --i > -1; F(app.documents[i], i + 1));
		}
	}
})();