java base64加密和解密_java base64 加密解密

import java.nio.charset.StandardCharsets;
import java.util.Base64;

public class Base64Util {

	final static Base64.Encoder encoder = Base64.getEncoder();
	final static Base64.Decoder decoder = Base64.getDecoder();

	    public static String encode(String text) {
	        return encoder.encodeToString(text.getBytes(StandardCharsets.UTF_8));
	    }

	    public static String decode(String encodedText) {
	        return new String(decoder.decode(encodedText), StandardCharsets.UTF_8);
	    }
	    
	    public static void main(String[] args) {
	        String str = "test1234";//原始字符为test1234  base64加密后为dGVzdDEyMzQ=

	        System.out.println("编码后的字符串为：");
	        System.out.println(Base64Util.encode(str));

	        System.out.println("解码后的字符串为：");
	        //System.out.println(Base64Util.decode(Base64Util.encode(str)));
	        System.out.println(Base64Util.decode("dGVzdDEyMzQ="));
	    }

}
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