如何利用java自带的base64实现加密、解密程序源码: import java.io.UnsupportedEncodingException; import sun.misc.BASE64Decoder; import sun.misc.BASE64Encoder; public class TestBase64 { // 加密 public static String getBase64(String str) { byte[] b = null; String s = null; try { b = str.getBytes("utf-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } if (b != null) { s = new BASE64Encoder().encode(b); } return s; } // 解密 public static String getFromBase64(String s) { byte[] b = null; String result = null; if (s != null) { BASE64Decoder decoder = new BASE64Decoder(); try { b = decoder.decodeBuffer(s); result = new String(b, "utf-8"); } catch (Exception e) { e.printStackTrace(); } } return result; } //测试 public static void main(String[] args) { String str="www.itxm.net"; System.out.println(getBase64(str)); System.out.println(getFromBase64(getBase64(str))); } }
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