android之PULL生成xml文档
在PULLParser.java中
/**
* PULL生成xml文档
* @param persons
* @param writer
* @throws Throwable
*/
public static void save(List<Person> persons,Writer writer) throws Throwable
{
XmlSerializer serializer = Xml.newSerializer();
serializer.setOutput(writer);
serializer.startDocument("UTF-8", true);
serializer.startTag(null, "persons");
for (Person person : persons)
{
serializer.startTag(null, "person");
serializer.attribute(null, "id", person.getId().toString());
serializer.startTag(null, "name");
serializer.text(person.getName());
serializer.endTag(null, "name");
serializer.startTag(null, "age");
serializer.text(person.getAge().toString());
serializer.endTag(null, "age");
serializer.endTag(null, "person");
}
serializer.endTag(null, "persons");
serializer.endDocument();
writer.flush();
writer.close();
}
}
注意，xml文档的节点成对出现。在程序中应该与之相对应。
单元测试
public void testSave() throws Throwable
{
List<Person> persons = new ArrayList<Person>();
persons.add(new Person(34, "huaha", (short)12));
persons.add(new Person(56, "halou", (short)32));
persons.add(new Person(39, "zouni", (short)40));
FileOutputStream outputStream = this.getContext().openFileOutput("person.xml", Context.MODE_PRIVATE);
//用的writer
OutputStreamWriter writer = new OutputStreamWriter(outputStream, "UTF-8");
new PULLParser().save(persons, writer);
}
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