importjava.util.Base64;publicclassBase64Example{publicstaticvoidmain(String[]args){StringencodedString="SGVsbG8gV29ybGQh";byte[]decodedBytes=Base64.getDecoder().decode(encodedString);StringdecodedString=newString(decodedBytes);System.out.println("Decoded String: "+decodedString);}} 1. 2. 3. 4....
Base64.Decoder decoderCodeVerify = Base64.getDecoder(); String code = ""; try { byte[] bytes = decoderCodeVerify.decode(resultData); //utf-8中文会乱码换成gbk试试 code = new String(bytes,"GBK"); }
importjava.util.Base64;publicclassBase64ToString{publicstaticvoidmain(String[]args){Stringbase64String="SGVsbG8gV29ybGQ=";// Base64编码的字符串byte[]byteArray=Base64.getDecoder().decode(base64String);// 解码为byte数组StringoriginalString=newString(byteArray);// 将byte数组转换为字符串System.out...
decode(byte[]) decode(String) decode(byte[], byte[]) decode(ByteBuffer) wrap(InputStream)Class Base64.Decoder java.lang.Object java.util.Base64.DecoderEnclosing class: Base64 public static class Base64.Decoder extends Object This class implements a decoder for decoding byte data using the Bas...
encodeToString("runoob?java8".getBytes("utf-8")); System.out.println("Base64 编码字符串 (基本) :" + base64encodedString); // 解码 byte[] base64decodedBytes = Base64.getDecoder().decode(base64encodedString); System.out.println("原始字符串: " + new String(base64decodedBytes, "utf-8...
getDecoder().decode(encodedString); String decodedString = new String(decodedBytes); System.out.println(decodedString); } } 结论 java.lang.NoClassDefFoundError是一个运行时错误,它通常指示类路径问题或依赖问题。通过仔细检查和调整项目依赖、代码、包结构以及IDE/构建工具的配置,你可以有效地解决这类...
decode(cleanedBase64String); 错误处理:添加适当的错误处理逻辑,以便在解码失败时能够优雅地处理异常。 try { byte[] decodedBytes = Base64.getDecoder().decode(cleanedBase64String); String decodedString = new String(decodedBytes); System.out.println(decodedString); } catch (IllegalArgumentException e)...
使用java.util.Base64 类的getDecoder() 方法创建一个 Base64Decoder 实例,然后使用 decode() 方法解码字符串。 import java.nio.charset.StandardCharsets; import java.util.Base64; public class Main { public static void main(String[] args) { String base64String = "SGVsbG8gV29ybGQh"; String deco...
import java.nio.charset.Charset; import java.util.Base64; public class CustomBase64Decoder { private final Charset charset; public CustomBase64Decoder(Charset charset) { this.charset = charset; } public String decode(String encodedString) { byte[] decodedBytes = Base64.getDecoder().decode(encode...
**/publicstaticString Base64ToString(String encodedStr) {byte[] encodedBytes =encodedStr.getBytes(StandardCharsets.UTF_8);byte[] decodedBytes =Base64.getDecoder().decode(encodedBytes); String decodedStr=newString(decodedBytes);returndecodedStr; ...