src/main/java/org/wltea/analyzer/lucene/IKAnalyzer.java
@Override
	protected TokenStreamComponents createComponents(String fieldName) {
        Tokenizer _IKTokenizer = new IKTokenizer(configuration);
		return new TokenStreamComponents(_IKTokenizer);
    }
@Override
	protected TokenStreamComponents createComponents(String fieldName) {
        Tokenizer _IKTokenizer = new IKTokenizer(configuration);
		return new TokenStreamComponents(_IKTokenizer);
    }
重载Analyzer接口，构造分词组件