*/voidbase64_encode(constunsigned char*srcData,char*resBase64){int i=0;/*原始数据索引*/int j=0;/*base64结果索引*/unsigned char transIdx=0;// 索引是8位,但是高两位都为0constint srcLen=strlen((constchar*)srcData);/*每3个一组,进行编码*/for
HTML-decode a String Quickly convert HTML entities to a string. Base64-encode a String Quickly convert a string to base64 encoding. Base64-decode a String Quickly decode a base64-encoded string. Convert a String to a Netstring Quickly construct a netstring from a regular string. Convert...
";try {// 编码String encodedToStr = ENCODE_64.encodeToString(text.getBytes("UTF-8"));System....
encodeToString("runoob?java8".getBytes("utf-8")); System.out.println("Base64 编码字符串 (URL) :" + base64encodedString); StringBuilder stringBuilder = new StringBuilder(); for (int i = 0; i < 10; ++i) { stringBuilder.append(UUID.randomUUID().toString()); } byte[] mimeBytes = ...
Base64的编码索引表,字符选用了"A-Z、a-z、0-9、+、/" 64个可打印字符来代表(00000000-00111111)这64个二进制数。即 let base64EncodeChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' 编码原理 我们不妨自己先思考一下,要把3个字节拆分成4个字节可以怎么做?你的实现思路和我的实...
import java.util.Base64; public class HelloBase64 { public static void main(String[] args) { String msg = "Hello, Base64!"; Base64.Encoder enc = Base64.getEncoder(); byte[] encbytes = enc.encode(msg.getBytes()); for (int i = 0; i < encbytes.length; i++) { System.out.pri...
String a = encoder.encode(data);*/String imgCode=encodeBase64File(path); p.setImgCode(imgCode); p.setImgPath(path); p.setNo(1); tPictureService.saveTPicture(p); String ad= realPath +trueFileName; modelAndView.addObject("msg","文件成功上传到指定目录下"); ...
(encode2);79a= a/100%10*4+ a/1000%10*8+ a/10000%10*16+ a/100000%10*32;80if(a>=0&&a<=25) printf("%c",65+a);81elseif(a>=26&&a<=51) printf("%c",71+a);82elseif(a>=52&&a<=61) printf("%c",-4+a);83printf("=");84}85printf("\n");86}87voiddecode(charstr...
C语言实现Base64算法 下面是一个简单的C语言函数,用于对数据进行Base64编码: #include <stdio.h> #include <stdint.h> #include <string.h> const char base64_chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; void base64_encode(const uint8_t *data, size_t input_length...
base64_encode(text,out); LOGI("encode => %s\n",out); char output[100] = {0}; base64_decode(out,output); LOGI("decode => %s\n",output); return 0; } extern "C" JNIEXPORT jstring JNICALL Java_com_roysue_r0appbase64_MainActivity_stringFromJNI( ...