Java 怎么查找并返回给定父级的子数组中子XML节点的索引

2019年8月6日22:16:27Java 怎么查找并返回给定父级的子数组中子XML节点的索引已关闭评论 553 1126字阅读3分45秒

1.简介

Java 怎么查找并返回给定父级的子数组中子XML节点的索引?——请看下文。

2.示例代码

/**
 * 版权所有 编程十万个怎么办(www.tah1986.com)
 */


   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http:

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

 */


import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    
    public static int getChildIndex(Node child, Node parent) {
        if (child == null || child.getParentNode() != parent
                || child.getParentNode() == null) {
            return -1;
        }
        return getChildIndex(child);
    }

    
    public static int getChildIndex(Node child) {
        NodeList children = child.getParentNode().getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node currentChild = children.item(i);
            if (currentChild == child) {
                return i;
            }
        }
        return -1;
    }
}

 
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