Java 常用工具类(32) : base64解码与转码_java.util.base64

参考 : string 字符串和字节 base64 json的相互转换_java string转base64_节点。csn的博客-CSDN博客 

 
import java.util.Base64;
 
/**
 * @Author: liyue
 * @Date: 2023/02/14/16:16
 * @Description:
 */
public class Base64Util {
 
    public static void main(String[] args) {
        String str = "Hello World ! 你好世界！";
        String encode = encode(str);
        String decode = decode(encode);
        System.out.println("原字符串: [" + str + "]");
        System.out.println("转base64之后: [" + encode + "]");
        System.out.println("base64还原: [" + decode + "]");
        System.out.println("还原后与原字符串是否一致: [" + str.equals(decode) + "]");
    }
 
    // 字符串转base64
    public static String encode(String str) {
        byte[] bytes = str.getBytes();
        String base64Encode = Base64.getEncoder().encodeToString(bytes);
        return base64Encode;
    }
 
    // base64转字符串
    public static String decode(String base64Encode) {
        String decode64Str = new String(Base64.getDecoder().decode(base64Encode));
        return decode64Str;
    }
}