C ++ string, number conversion, string number Conversion

C ++ string, number conversion, string number Conversion

1: strL. format ("% x", 12); // converts a number 12 to a hexadecimal character (C) stored in strL 2: strH. format ("% x", 12); // converts a number 12 to a hexadecimal character (C) stored in strH 3: strHL = strH + strL; // connect two characters 4: sscanf_s (strHL, "% x", & intHL); // convert the character string (hexadecimal) to a decimal integer 5: strHL. format ("% d", intHL); // convert the string to a 10-digit integer 6: MessageBox (strHL );

 

 

Summary
1. The Format function can convert numbers to strings.
2. The sscanf_s function can convert strings to numbers.
3. When using sscanf_s, pay attention to the previous string format, for example, strHL is "cc" and 0xCC
The second parameter of sscanf_s should be "% x" instead of "% d"

Source: http://www.cnblogs.com/douzi2/