SpringBoot 整合 Dom4j

<dependency>
	<groupId>org.dom4j</groupId>
	<artifactId>dom4j</artifactId>
	<version>2.1.4</version>
</dependency>

<dependency>
	<groupId>commons-io</groupId>
	<artifactId>commons-io</artifactId>
	<version>2.15.0</version>
</dependency>

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-web</artifactId>
	<version>2.6.3</version>
</dependency>

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-test</artifactId>
	<version>2.6.3</version>
</dependency>

<dependency>
	<groupId>junit</groupId>
	<artifactId>junit</artifactId>
	<version>4.13.2</version>
</dependency>

在 resource 目录下创建 data.xml

<?xml version="1.0" encoding="UTF-8"?>
<dataView>
    <data id="1">
        <info name="张三" year="1998"/>
        <info name="李四" year="1996"/>
    </data>
    <data id="2">
        <info name="王五" year="2000"/>
    </data>
</dataView>

ResourceFileReader

import org.apache.commons.io.Charsets;
import org.apache.commons.io.IOUtils;
import org.springframework.core.io.ClassPathResource;
import org.springframework.stereotype.Component;

import java.io.IOException;

@Component
public class ResourceFileReader {
    
    public String readFileToString(String filePath) {
        ClassPathResource classPathResource = new ClassPathResource(filePath);
        try {
            return IOUtils.toString(classPathResource.getInputStream(), Charsets.toCharset("UTF-8"));
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
}

Dom4jParse

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.List;

@Component
public class Dom4jParse {

    @Resource
    private ResourceFileReader resourceFileReader;

    public void parseXml(String xmlFile) {
        try {
            String content = resourceFileReader.readFileToString(xmlFile);
            Document document = DocumentHelper.parseText(content);
            Element dataView = document.getRootElement();
            List<Element> dataList = dataView.elements();
            for (Element data : dataList) {
                System.out.println(data.attributeValue("id"));
                List<Element> info = data.elements();
                for (Element element : info) {
                    System.out.println(element.attributeValue("name"));
                    System.out.println(element.attributeValue("year"));
                }
            }
        } catch (DocumentException e) {
            e.printStackTrace();
        }
    }
}

测试类

@RunWith(SpringRunner.class)
@SpringBootTest(classes = Application.class)
public class test {

    @Resource
    private Dom4jParse dom4jParse;

    @Test
    public void test() {
        dom4jParse.parseXml("data.xml");
    }
}