标签:builder jaxp 调用 out vax void text except ttext
// person.xml
<?xml version="1.0" encoding="UTF-8"?>
<person>
<p1>
<name>zhangsan</name>
<age>20</age>
</p1>
<p1>
<name>lisi</name>
<age>30</age>
</p1>
</person>
//TestJaxp.java
package cn.xry.jaxp;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
/*
* 实现jaxp操作xml
*
* */
public class TestJaxp {
public static void main(String[] args) throws ParserConfigurationException, SAXException, IOException {
//查询所有name元素的值
/*
*1.创建解析器工厂
*2.根据解析器工厂创建解析器
* 3.解析xml返回document
*
* 4.得到所有name元素
* */
//创建解析器工厂
DocumentBuilderFactory builderFactoty = DocumentBuilderFactory.newInstance();
//创建解析器
DocumentBuilder builder = builderFactoty.newDocumentBuilder();
//解析xml返回document
Document document = builder.parse("src/person.xml");
//得到name元素
NodeList nodeLists = document.getElementsByTagName("name");
for(int i=0;i!=nodeLists.getLength();i++)
{
System.out.println(nodeLists.item(i).getTextContent()); // 注意此处链式调用
}
}
}
标签:builder jaxp 调用 out vax void text except ttext
原文地址:https://www.cnblogs.com/selfdef/p/11093652.html