import cn.hutool.core.util.StrUtil;
import org.junit.Assert;
import org.junit.Test;

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

public class CodeTest {

    @Test
    public void test1() {
        String text = "dasdasdasdasdasd23432";
        String encode = Base64.getUrlEncoder().encodeToString(text.getBytes());
        String decode = StrUtil.str(Base64.getUrlDecoder().decode(encode), Charset.defaultCharset());
        Assert.assertEquals(text, decode);
    }
}