JAVA BASE64 加密解密实现代码

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1、代码

package com.zhaochao.utill;import java.io.UnsupportedEncodingException;import java.lang.reflect.Method;public class Base64Utill {public static String encode(String code) throws UnsupportedEncodingException, Exception {return encodeBase64(code.getBytes());}public static String decode(String code) throws UnsupportedEncodingException, Exception {return new String(decodeBase64(code));}public static String encodeBase64(byte[] input) throws Exception {Class clazz = Class.forName("com.sun.org.apache.xerces.internal.impl.dv.util.Base64");Method mainMethod = clazz.getMethod("encode", byte[].class);mainMethod.setAccessible(true);Object retObj = mainMethod.invoke(null, new Object[] { input });return (String) retObj;}public static byte[] decodeBase64(String input) throws Exception {Class clazz = Class.forName("com.sun.org.apache.xerces.internal.impl.dv.util.Base64");Method mainMethod = clazz.getMethod("decode", String.class);mainMethod.setAccessible(true);Object retObj = mainMethod.invoke(null, input);return (byte[]) retObj;}public static void main(String[] rags) throws UnsupportedEncodingException, Exception {String str = "abadjfajerjaqwrasdf";String code = Base64Utill.encode(str);System.err.println("加密前：" + str);System.err.println("加密后：" + code);System.err.println("解密后：" + Base64Utill.decode(code));}}

2、输出结果

加密前：abadjfajerjaqwrasdf加密后：YWJhZGpmYWplcmphcXdyYXNkZg==解密后：abadjfajerjaqwrasdf

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