在本教程中,我们将讨论实现ASCII查找表的程序。
ASCII查找表是一种表格表示形式,提供给定字符的八进制,十六进制,十进制和HTML值。
ASCII查找表的字符包括字母,数字,分隔符和特殊符号。
#include <iostream> #include <string> using namespace std; //converting decimal value to octal int Octal(int decimal){ int octal = 0; string temp = ""; while (decimal > 0) { int remainder = decimal % 8; temp = to_string(remainder) + temp; decimal /= 8; } for (int i = 0; i < temp.length(); i++) octal = (octal * 10) + (temp[i] - '0'); return octal; } //converting decimal value to hexadecimal string Hexadecimal(int decimal){ string hex = ""; while (decimal > 0) { int remainder = decimal % 16; if (remainder >= 0 && remainder <= 9) hex = to_string(remainder) + hex; else hex = (char)('A' + remainder % 10) + hex; decimal /= 16; } return hex; } //converting decimal value to HTML string HTML(int decimal){ string html = to_string(decimal); html = "&#" + html + ";"; return html; } //calculating the ASCII lookup table void ASCIIlookuptable(char ch){ int decimal = ch; cout << "Octal value: " << Octal(decimal) << endl; cout << "Decimal value: " << decimal << endl; cout << "Hexadecimal value: " << Hexadecimal(decimal) << endl; cout << "HTML value: " << HTML(decimal); } int main(){ char ch = 'a'; ASCIIlookuptable(ch); return 0; }
输出结果
Octal value: 141 Decimal value: 97 Hexadecimal value: 61 HTML value: a