#include "utils.h" #include void base64_encode(const unsigned char *str, int str_len, unsigned char *res, int *res_len) { long len; int i,j; //定义base64编码表 unsigned char base64_table[128]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; //计算经过base64编码后的字符串长度 if(str_len % 3 == 0) len=str_len/3*4; else len=(str_len/3+1)*4; *res_len = len; res[len]='\0'; //以3个8位字符为一组进行编码 for(i=0,j=0;i>2]; //取出第一个字符的前6位并找出对应的结果字符 res[i+1]=base64_table[(str[j]&0x3)<<4 | (str[j+1]>>4)]; //将第一个字符的后位与第二个字符的前4位进行组合并找到对应的结果字符 res[i+2]=base64_table[(str[j+1]&0xf)<<2 | (str[j+2]>>6)]; //将第二个字符的后4位与第三个字符的前2位组合并找出对应的结果字符 res[i+3]=base64_table[str[j+2]&0x3f]; //取出第三个字符的后6位并找出结果字符 } switch(str_len % 3) { case 1: res[i-2]='='; res[i-1]='='; break; case 2: res[i-1]='='; break; } } void base64_decode(const unsigned char *code, int code_len, unsigned char *res, int *res_len) { //根据base64表,以字符找到对应的十进制数据 int table[]={0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,62,0,0,0, 63,52,53,54,55,56,57,58, 59,60,61,0,0,0,0,0,0,0,0, 1,2,3,4,5,6,7,8,9,10,11,12, 13,14,15,16,17,18,19,20,21, 22,23,24,25,0,0,0,0,0,0,26, 27,28,29,30,31,32,33,34,35, 36,37,38,39,40,41,42,43,44, 45,46,47,48,49,50,51 }; long len; long str_len; int i,j; //计算解码后的字符串长度 len = code_len; //判断编码后的字符串后是否有= if(strstr((char*)code,"==")) str_len=len/4*3-2; else if(strstr((char*)code,"=")) str_len=len/4*3-1; else str_len=len/4*3; res[str_len]='\0'; *res_len = str_len; //以4个字符为一位进行解码 for(i=0,j=0;i < len-2;j+=3,i+=4) { res[j]=((unsigned char)table[code[i]])<<2 | (((unsigned char)table[code[i+1]])>>4); //取出第一个字符对应base64表的十进制数的前6位与第二个字符对应base64表的十进制数的后2位进行组合 res[j+1]=(((unsigned char)table[code[i+1]])<<4) | (((unsigned char)table[code[i+2]])>>2); //取出第二个字符对应base64表的十进制数的后4位与第三个字符对应bas464表的十进制数的后4位进行组合 res[j+2]=(((unsigned char)table[code[i+2]])<<6) | ((unsigned char)table[code[i+3]]); //取出第三个字符对应base64表的十进制数的后2位与第4个字符进行组合 } } QStringList extractParaList(const QString &msg) { QStringList paraList; QString data = msg.simplified(); if(data.startsWith("$") && data.contains("*")){ data = data.left(data.indexOf("*")); data = data.right(data.size()-data.indexOf(",")-1); paraList = data.split(","); } return paraList; } double degreeSecond2degree(double degreeSecond) { double degree = floor(degreeSecond/100); double second = degreeSecond - degree*100; double result = degree + second/60; return result; }