java 创建XML文件
public void changeXML() {
?????????? Document document = DocumentHelper.createDocument();// 创建一个xml document对象
?????????? Element books = document.addElement("books");// 创建根节点元素
?????????? // 给books添加注释
?????????? books.addComment("—An XML Example");
?????????? // 使用addProcessingInstruction()方法增加一个处理指令
?????????? books.addProcessingInstruction("target", "text");
?????????? // 在当前元素后增加一个子元素
?????????? Element bookone = books.addElement("bookone");
?????????? // 设置当前元素的属性
?????????? bookone.addAttribute("title", "XML study");
?????????? bookone.addAttribute("publisher", "angellove workers");
?????????? Element article = bookone.addElement("article");
?????????? article.addAttribute("level", "high");
?????????? article.addAttribute("date", "December-2007");
?????????? Element titleElement = article.addElement("title");
?????????? // 设置当前元素的文本值,即是内容
?????????? titleElement.setText("Java configuration with XML");
?????????? Element authorElement = article.addElement("author");
?????????? Element firstNameElement = authorElement.addElement("firstname");
?????????? firstNameElement.setText("angel");
?????????? Element lastNameElement = authorElement.addElement("lastname");
?????????? lastNameElement.setText("free");
?????????? // XML 声明 <?xml version="1.0" encoding="UTF-8"?> 自动添加到 XML 文档中。
?????????? try {
???????????? // 创建一个xml写入流,将生成的xml文件写入指定的文件中
???????????? // 使用优雅的方式写入(一共有三种方式:普通方式,优雅方式和紧凑方式)
???????????? //紧凑方式写入format = OutputFormat.createCompactFormat();
???????????? OutputFormat format = OutputFormat.createPrettyPrint();
???????????? format.setEncoding("GBK");
???????????? XMLWriter output = new XMLWriter(
???????????????? new FileWriter(new File("books.xml")), format);
???????????? output.write(document);
???????????? output.close();
?????????? }
?????????? catch (IOException e) {
???????????? System.out.println(e.getMessage());
?????????? }
???????? }
