java 解压zip文件出xml转为javabean
时间: 2024-01-28 08:49:12 浏览: 32
在Java中,可以使用ZipInputStream类来解压缩zip文件,使用DOM或SAX解析XML文件,然后将XML数据转换为JavaBean对象。
以下是一个示例代码,用于解压缩zip文件、解析XML文件,并将XML数据转换为JavaBean对象:
```java
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
public class UnzipAndParseXml {
public static void main(String[] args) {
String zipFilePath = "path/to/zip/file.zip";
String xmlFileName = "file.xml";
List<JavaBean> javaBeans = unzipAndParseXml(zipFilePath, xmlFileName);
// Do something with the JavaBean objects...
}
public static List<JavaBean> unzipAndParseXml(String zipFilePath, String xmlFileName) {
List<JavaBean> javaBeans = new ArrayList<>();
try (ZipInputStream zipInputStream = new ZipInputStream(new FileInputStream(zipFilePath))) {
ZipEntry zipEntry;
while ((zipEntry = zipInputStream.getNextEntry()) != null) {
if (!zipEntry.isDirectory() && zipEntry.getName().equals(xmlFileName)) {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len;
while ((len = zipInputStream.read(buffer)) > 0) {
byteArrayOutputStream.write(buffer, 0, len);
}
byte[] xmlData = byteArrayOutputStream.toByteArray();
InputStream xmlInputStream = new ByteArrayInputStream(xmlData);
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
Document document = documentBuilder.parse(xmlInputStream);
Element root = document.getDocumentElement();
NodeList nodeList = root.getElementsByTagName("JavaBean");
for (int i = 0; i < nodeList.getLength(); i++) {
Element javaBeanElement = (Element) nodeList.item(i);
JavaBean javaBean = new JavaBean();
javaBean.setProp1(javaBeanElement.getAttribute("prop1"));
javaBean.setProp2(javaBeanElement.getAttribute("prop2"));
// Set other properties...
javaBeans.add(javaBean);
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return javaBeans;
}
}
```
在上面的示例代码中,JavaBean类代表XML文件中的一个对象。你需要根据你的XML文件结构来编写JavaBean类,并在解析XML文件时使用它来存储数据。在示例代码中,我们使用DOM来解析XML文件,你也可以使用SAX或其他XML解析器来解析XML文件。