public String getXmlString() {
String xmlString;
byte[] strBuffer = null;
int flen = 0;
File xmlfile = new File("/data/local/getHomePage.xml");
try {
InputStream in = new FileInputStream(xmlfile);
flen = (int)xmlfile.length();
strBuffer = new byte[flen];
in.read(strBuffer, 0, flen);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
xmlString = new String(strBuffer); //构建String时，可用byte[]类型，
return xmlString;
}