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// 将 s 进行 BASE64 编码
public static String getBASE64(String s) {
if (s == null) return null;
return (new sun.misc.BASE64Encoder()).encode( s.getBytes() );
}
// 将 BASE64 编码的字符串 s 进行解码
public static String getFromBASE64(String s) {
if (s == null) return null;
BASE64Decoder decoder = new BASE64Decoder();
try {
byte[] b = decoder.decodeBuffer(s);
return new String(b);
} catch (Exception e) {
return null;
}
}
或者apache的包
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|
import java.io.UnsupportedEncodingException; import org.apache.commons.codec.binary.Base64; public class Base64Util { /** * 将二进制数据编码为BASE64字符串 * @param binaryData * @return */ public static String encode( byte [] binaryData) { try { return new String(Base64.encodeBase64(binaryData), "UTF-8" ); } catch (UnsupportedEncodingException e) { return null ; } } /** * 将BASE64字符串恢复为二进制数据 * @param base64String * @return */ public static byte [] decode(String base64String) { try { return Base64.decodeBase64(base64String.getBytes( "UTF-8" )); } catch (UnsupportedEncodingException e) { return null ; } } } |
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原文地址:http://www.cnblogs.com/wnlja/p/4241078.html