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**Java實現Base64加密**

package com.beiruan.test;
import org.apache.commons.codec.binary.Base64;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
public class JDKBase64 {
private static String src=“hahhahaha”;
public static void main(String[] args) {
//base64();
//commomBase64();
bouncyBase64();
}
//系統自帶
public static void base64() {
try {
BASE64Encoder encoder = new BASE64Encoder();
String encode = encoder.encode(src.getBytes());
System.out.println("encode: "+encode);

		BASE64Decoder decoder = new BASE64Decoder();

		System.out.println("decoder: "+new String(decoder.decodeBuffer(encode)));
	} catch (Exception e) {
		e.printStackTrace();
	}
}
//匯入的第三方包:commons-codec-1.11.jar
public static void commomBase64(){
	byte[] encodeBytes = Base64.encodeBase64(src.getBytes());
	System.out.println("encode: "+new String(encodeBytes));

	byte[] decodeBytes = Base64.decodeBase64(encodeBytes);
	System.out.println("encode: "+new String(decodeBytes));
}
//匯入的第三方包:bcprov-jdk15on-1.57.jar
public static void bouncyBase64(){
	byte[] encodeBytes = org.bouncycastle.util.encoders.Base64.encode(src.getBytes());
	System.out.println("encode: "+new String(encodeBytes));
	byte[] decodeBytes = org.bouncycastle.util.encoders.Base64.decode(encodeBytes);
	System.out.println("encode: "+new String(decodeBytes));
}

}

三種方式的執行結果都如下所示:
在這裡插入圖片描述