importjava.util.Base64;publicclassMergeBase64StringsExample{publicstaticvoidmain(String[]args){Stringbase64String1="SGVsbG8gdGhlcmUh";Stringbase64String2="VGhpcyBpcyBhIHN0cmluZw==";Stringbase64String3="WW91IGFyZSBkZXNpZ25lZCBieSBkYXRh";StringmergedString=base64String1+base64String2+base64Strin...
util.Base64; public class Base64Example { public static void main(String[] args) { String text = "Hello, world!"; String base64String = Base64.getEncoder().encodeToString(text.getBytes(StandardCharsets.UTF_8)); System.out.println("Base64 string: " + base64String); byte[] deco...
importjava.util.Base64;importjava.io.FileOutputStream;importjava.io.IOException;publicclassBase64Example{publicstaticvoidmain(String[]args){Stringbase64String="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA...";// 第1步:解码Base64字符串byte[]decodedBytes=Base64.getDecoder().decode(base64St...
public class Base64Example { public static void main(String[] args) { String originalString = "Hello, World!"; // 编码 String encodedString = Base64.getEncoder().encodeToString(originalString.getBytes()); System.out.println("Encoded: " + encodedString); // 解码 byte[] decodedBytes = Base...
用String.getBytes()方法将字符串转换为byte数组,通过String构造函数将byte数组转换成String 注意:这种方式使用平台默认字符集 package com.bill.example;publicclassStringByteArrayExamples{publicstaticvoidmain(String[] args) {//Original StringStringstring="hello world";//Convert to byte[]byte[] bytes =string...
("Enter a string str1:")str1:str=input()byte_array:bytes=bytearray.fromhex(str1)output_bytes(byte_array)output_hex(byte_array)encoded:bytes=base64.b64encode(byte_array)print(encoded)print("Enter a string str2:")str2:str=input()byte_array2:bytes=bytearray.fromhex(str2)str3:str=decode...
Base64String(bytes); Console.WriteLine("The base 64 string:\n {0}\n", s);// Restore the byte array.byte[] newBytes = Convert.FromBase64String(s); Console.WriteLine("The restored byte array: "); Console.WriteLine(" {0}\n", BitConverter.ToString(newBytes)); } }// The example ...
importjava.util.Base64;publicclassBase64EncodingDecodingExample{publicstaticvoidmain(String[] args){StringoriginalString="Hello, World!";// 编码StringencodedString=Base64.getEncoder().encodeToString(originalString.getBytes()); System.out.println("Encoded String: "+ encodedString);// 解码byte[] decoded...
示例代码(模拟过程):```javascriptlet base64String = ‘data:text/plain;base64,SGVsbG8sIHdvcmxkIQ==’;let blob = this.base64ToBlob(base64String, ‘text/plain’); // 假设base64ToBlob是上述Base64到Blob的转换函数let file = new File([blob], ‘example.txt’, { type:相关...
以下示例使用 ToBase64String(Byte[]) 方法将字节数组转换为 UUencoded (base-64) 字符串,然后调用 FromBase64String(String) 方法来还原原始字节数组。 C# 复制 运行 using System; public class Example { public static void Main() { // Define a byte array. byte[] bytes = { 2, 4, 6, 8, 10...