我有一個(gè)類似于以下文件的XML文件：<rec><v001>001</v001> <v002>2012609272311</v002><v003>616.890231</v003><v005>7</v005><v006>m</v006><v007>^a115001^b1^c1^d20100000^e2^fOvernight^m1</v007><v007>^a115002^b2^c1^d20100000^e1^m2</v007><v007>^a115003^b3^c1^d20100000^e1^m3</v007><v007>^a115004^b4^c1^d20100000^e1^m4</v007><v007>^a115005^b5^c1^d20100000^e1^m5</v007><v007>^a115006^b6^c1^d20100000^e1^m6</v007><v016>ROCHA, Ruth Mylius</v016><v018>Enfermagem em Saúde Mental</v018></rec>“ rec”標(biāo)簽與注冊表匹配，我需要計(jì)算v007標(biāo)簽在每個(gè)rec中重復(fù)多少次。我正在使用以下功能：static private int getCount(Node parentNode, String childName) {int qtdEx = 0;NodeList nList = parentNode.getChildNodes();for (int i = 0; i < nList.getLength(); i++) {    Node n = nList.item(i);    String name = n.getNodeName();    if (name != null && name.equals(childName)) {        return qtdEx++;    }}return 0;}此函數(shù)僅返回0，我對其進(jìn)行如下測試：NodeList nList = doc.getElementsByTagName("rec");for (int i = 0; i < nList.getLength(); i++) {        Node node = nList.item(i);        List<Object> columns = null;                                                      columns = Arrays.asList(getCount(node, "v007"));        }如果有人可以幫助，謝謝！