獲取單值欄位的突出顯示文字

public String getHighlightedText(final QueryResponse queryResponse, final String fieldName, final String docId) {
    String highlightedText = "";
    Map<String, Map<String, List<String>>> highlights = queryResponse.getHighlighting();
    if (highlights!=null && MapUtils.isNotEmpty(highlights.get(docId))) {
        List<String> snippets = highlights.get(docId).get(fieldName);
        if (CollectionUtils.isNotEmpty(snippets)) {
            highlightedText = getFragments(snippets);
        }
    }
    return highlightedText;
}

private static final String getFragments(List<String> snippets){
        StringBuilder fragments = new StringBuilder();
        for (int i = 0; i < snippets.size(); i++) {
            if (i > 0) {
                fragments.append("............");
            }
            fragments.append(snippets.get(i));
        }
        return fragments.toString();
    }