摘要： %@ Object%d, %i signed int%u unsigned int%f float/double%x, %X hexadecimal int%o octal int%zu size_t%p pointer%e float/double (in scientific notation)%g float/double (as %f or %e, depending on value)%s C string (bytes)%S C string (unichar)%.*s Pascal string (... 阅读全文