function exportFileToAI(dest) {
if (app.documents.length > 0) {
var ai8Doc = new File(dest);
var saveOptions = new IllustratorSaveOptions();
saveOptions.compatibility = Compatibility.ILLUSTRATOR8;
saveOptions.flattenOutput = OutputFlattening.PRESERVEAPPEARANCE;
app.activeDocument.saveAs(ai8Doc, saveOptions);
}
}
var doc = app.activeDocument;
var folder = doc.path+"/"+doc.name+"-分层";
Folder(folder).create()
var mainFile = File(doc.fullName)
for(var i=doc.layers.length-1; i>=0; i--) {
for(var ii=doc.layers.length-1; ii>=0; ii--){
if(i!==ii){
doc.layers[ii].remove();
}else{
doc.layers[ii].visible = true;
}
}
exportFileToAI( folder+"/"+doc.layers[0].name+".ai");
doc.close();
doc = app.open(mainFile);
}