你只需要更换
&#的
&#，因此呼叫
unmarshaller.unmarshal(new AmpersandingStream(new FileInputStream(...)));
和
import java.io.IOException;import java.io.InputStream;public class AmpersandingStream extends InputStream { private InputStream in; private boolean justReadAmpersand; private String lookAhead = ""; public AmpersandingStream(InputStream in) { this.in = in; } @Override public int read() throws IOException { if (!lookAhead.isEmpty()) { int c = lookAhead.prePointAt(0); lookAhead = lookAhead.substring(Character.charCount(c)); return c; } int c = in.read(); if (c == (int)'#' && justReadAmpersand) { c = (int)'a'; lookAhead = "mp;#"; } justReadAmpersand = c == (int)'&'; return c; } @Override public int available() throws IOException { return in.available(); } @Override public void close() throws IOException { in.close(); } @Override public synchronized void mark(int readlimit) { in.mark(readlimit); } @Override public boolean markSupported() { return in.markSupported(); } @Override public int read(byte[] b) throws IOException { return in.read(b); } @Override public int read(byte[] b, int off, int len) throws IOException { return in.read(b, off, len); } @Override public synchronized void reset() throws IOException { in.reset(); } @Override public long skip(long n) throws IOException { return in.skip(n); }}
