af.setStopIncrement(true);
BayesTrainer trainer=new BayesTrainer();
BayesClassifier classifier= (BayesClassifier) trainer.train(trainset);
System.out.print("..Training complete!\n");
System.out.print("Saving model...\n");
classifier.saveTo(bayesModelFile);
classifier = null;
System.out.print("..Saving model complete!\n");
/**
* 测试
*/