Java 将汉字转 Unicode 码

package net.oschina.tester;

public class ToUnicode {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		System.out.println(toUnicode("汉字转换"));
	}
		

	public static String toUnicode(String s) {
		String as[] = new String[s.length()];
		String s1 = "";
		for (int i = 0; i < s.length(); i++) {
			as[i] = Integer.toHexString(s.charAt(i) & 0xffff);
			s1 = s1 + "\\u" + as[i];
		}
		return s1;
	}
}