net.wicp.tams.common.apiext.XmlAssist Maven / Gradle / Ivy
package net.wicp.tams.common.apiext;
import java.io.File;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
public abstract class XmlAssist {
/**
* 生成xml方法
*/
public static void createXml(Class> classz) {
try {
Map contextType = ReflectAssist.getAllType(classz);
System.out.println(1);
// 创建解析器工厂
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder db = factory.newDocumentBuilder();
Document document = db.newDocument();
// 不显示standalone="no"
document.setXmlStandalone(true);
Element bookstore = document.createElement("bookstore");
// 向bookstore根节点中添加子节点book
Element book = document.createElement("book");
Element name = document.createElement("name");
// 不显示内容 name.setNodeValue("不好使");
name.setTextContent("雷神");
book.appendChild(name);
// 为book节点添加属性
book.setAttribute("id", "1");
// 将book节点添加到bookstore根节点中
bookstore.appendChild(book);
// 将bookstore节点(已包含book)添加到dom树中
document.appendChild(bookstore);
// 创建TransformerFactory对象
TransformerFactory tff = TransformerFactory.newInstance();
// 创建 Transformer对象
Transformer tf = tff.newTransformer();
// 输出内容是否使用换行
tf.setOutputProperty(OutputKeys.INDENT, "yes");
// 创建xml文件并写入内容
tf.transform(new DOMSource(document), new StreamResult(new File("book1.xml")));
System.out.println("生成book1.xml成功");
} catch (Exception e) {
e.printStackTrace();
System.out.println("生成book1.xml失败");
}
}
}