java dom2解析XMl返回String 串

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.StringWriter;

import org.jdom2.document;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;

public class MyXmlUtil {
   
    public static document load(InputStream fileurl) throws JDOMException, IOException {
        document document = null;
        SAXBuilder reader = new SAXBuilder();
        InputStreamReader read = new InputStreamReader(fileurl);
        document = reader.build(read);
        return document;
    }

   
    public static String XmlToString(InputStream fileurl) throws IOException, JDOMException {
        document document = null;
        document = load(fileurl);

        Format format = Format.getPrettyFormat();
        format.setEncoding("UTF-8");// 设置编码格式

        StringWriter out = null; // 输出对象
        String sReturn = ""; // 输出字符串
        XMLOutputter outputter = new XMLOutputter(format);
        out = new StringWriter();
        outputter.output(document, out);
        sReturn = out.toString();
        return sReturn;
    }
}