#include<stdio.h> int main() { char hex_str[] = "1A"; int num; sscanf(hex_str, "%x", &num); printf("十六进制字符串 %s 对应的整数为:%d\n", hex_str, num); return 0; } 在这个示例中,sscanf函数使用%x格式化字符串,将十六进制字符串hex_str转换为整数num。printf函数用于输出结...
/* convert hex string to int */ int htoi(char *s) { char *digits="0123456789ABCDEF"; if (islower (s[0])) s[0]=toupper(s[0]); if (islower (s[1])) s[1]=toupper(s[1]); return 16 * (strchr(digits, s[0]) - strchr (digits,'0')) + (strchr(digits,s[1])-strchr(dig...
voidtestTypeConvert(){//int --> stringinti =5; string s =to_string(i); cout << s << endl;//double --> stringdoubled =3.14; cout <<to_string(d) << endl;//long --> stringlongl =123234567; cout <<to_string(l) << endl;//char --> stringcharc ='a'; cout <<to_string...
常用的函数有atoi,atol,他们都是将10进制的数字字符串转换为int或是long类型,所以在有些情况下不适用。/*=== # FileName: hex2dec.cpp # Desc: Convert a hex string to a int number # Author: Caibiao Lee # Version: # LastChange: 2018-11-26 # History: ===*...
include<string.h> include<math.h> int tran16to10(char *s){ int i,z=0,j;j=strlen(s);for(i=0;i<j;i++){ if(s[i]>='A'&&s[i]<='F')z=z+(s[i]-'A'+10)*(pow(16,j-1-i));if(s[i]>='a'&&s[i]<='f')z=z+(s[i]-'a'+10)*(pow(16,j-1-i))...
, targetNum + 55);//大于10转换成字符输出 } } int main() { int initial;//待转化数的进制 int target;//转换后的进制...20);//将输入的n进制数存放在数组a中 int decimalNum = convert_to_decimal(num, initial);//将输入的数字转换成十进制数 do {...:1024 请输入需要转成几进制数(2-...
System.Int32.Parse(s, System.Globalization.NumberStyles.HexNumber);//s为string类型,以“41”为例,输出为65//注意这里的s中不能带有“0X”或者“0x”,区别于上面的方法。 //二进制转换为十六进制(string-->int) //先转换为十进制,在转换为十六进制string.Format("{0:X}",System.Convert.ToInt32(s,...
char hex_to_string(int hex_num){。 int len = 0; int temp = hex_num; // Calculate the length of the string. while (temp != 0) {。 temp /= 16; len++; }。 // Allocate memory for the string. char str = malloc(len + 1); // Convert each digit of the hexadecimal number to...
public static byte[] HexStringToByteArray(string s) { s = s.Replace(" ", ""); byte[] buffer = new byte[s.Length / 2]; for (int i = 0; i < s.Length; i += 2) { buffer[i / 2] = (byte)Convert.ToByte(s.Substring(i, 2), 16); } ...
return hexStr; } // 十六进制转换为普通字符串。 (NSString *)convertHexStrToString:(NSString *)hexString{ if (!hexString || [hexString length] == 0) { return nil; } NSLog(@"line : %d, func: %s ",LINE,func); char *myBuffer = (char *)malloc((int)[hexString length] / 2 + 1...