CÓïÑԽṹÌåÓë¹²ÓÃÌå
11.1 ¶¨ÒåÒ»¸ö½á¹¹µÄÒ»°ãÐÎʽ
ÔÚʵ¼ÊÎÊÌâÖУ¬Ò»×éÊý¾ÝÍùÍù¾ßÓв»Í¬µÄÊý¾ÝÀàÐÍ¡£ÀýÈ磬ÔÚѧÉúµÇ¼Ç±íÖУ¬ÐÕÃûӦΪ×Ö·ûÐÍ£»Ñ§ºÅ¿ÉΪÕûÐÍ»ò×Ö·ûÐÍ£»ÄêÁäӦΪÕûÐÍ£»ÐÔ±ðӦΪ×Ö·ûÐÍ£»³É¼¨¿ÉΪÕûÐÍ»òʵÐÍ¡£ ÏÔÈ»²»ÄÜÓÃÒ»¸öÊý×éÀ´´æ·ÅÕâÒ»×éÊý¾Ý¡£ÒòΪÊý×éÖи÷ÔªËØµÄÀàÐͺͳ¤¶È¶¼±ØÐëÒ»Ö£¬ÒÔ±ãÓÚ±àÒëϵͳ´¦Àí¡£ÎªÁ˽â¾öÕâ¸öÎÊÌ⣬£ÃÓïÑÔÖиø³öÁËÁíÒ»ÖÖ¹¹ÔìÊý¾ÝÀàÐÍ——“½á¹¹£¨structure£©”»ò½Ð“½á¹¹Ì唡£ ËüÏ൱ÓÚÆäËü¸ß¼¶ÓïÑÔÖеļǼ¡£“½á¹¹”ÊÇÒ»ÖÖ¹¹ÔìÀàÐÍ£¬ËüÊÇÓÉÈô¸É“³ÉÔ±”×é³ÉµÄ¡£Ã¿Ò»¸ö³ÉÔ±¿ÉÒÔÊÇÒ»¸ö»ù±¾Êý¾ÝÀàÐÍ»òÕßÓÖÊÇÒ»¸ö¹¹ÔìÀàÐÍ¡£½á¹¹¼ÈÊÇÒ»ÖÖ“¹¹Ôì”¶ø³ÉµÄÊý¾ÝÀàÐÍ£¬ÄÇôÔÚ˵Ã÷ºÍʹÓÃ֮ǰ±ØÐëÏȶ¨ÒåËü£¬Ò²¾ÍÊǹ¹ÔìËü¡£ÈçͬÔÚ˵Ã÷ºÍµ÷Óú¯Êý֮ǰҪÏȶ¨Ò庯ÊýÒ»Ñù¡£
¶¨ÒåÒ»¸ö½á¹¹µÄÒ»°ãÐÎʽΪ£º
struct ½á¹¹Ãû
{³ÉÔ±±íÁÐ};
³ÉÔ±±íÁÐÓÉÈô¸É¸ö³ÉÔ±×é³É£¬Ã¿¸ö³ÉÔ±¶¼ÊǸýṹµÄÒ»¸ö×é³É²¿·Ö¡£¶Ôÿ¸ö³ÉÔ±Ò²±ØÐë×÷ÀàÐÍ˵Ã÷£¬ÆäÐÎʽΪ£º
ÀàÐÍ˵Ã÷·û ³ÉÔ±Ãû;
³ÉÔ±ÃûµÄÃüÃûÓ¦·ûºÏ±êʶ·ûµÄÊéд¹æ¶¨¡£ÀýÈ磺
struct stu
{
int num;
char name[20];
char sex;
float score;
};
ÔÚÕâ¸ö½á¹¹¶¨ÒåÖУ¬½á¹¹ÃûΪstu£¬¸Ã½á¹¹ÓÉ4¸ö³ÉÔ±×é³É¡£µÚÒ»¸ö³ÉԱΪnum£¬ÕûÐͱäÁ¿£»µÚ¶þ¸ö³ÉԱΪname£¬×Ö·ûÊý×飻µÚÈý¸ö³ÉԱΪsex£¬×Ö·û±äÁ¿£»µÚËĸö³ÉԱΪscore£¬ÊµÐͱäÁ¿¡£Ó¦×¢ÒâÔÚÀ¨ºÅºóµÄ·ÖºÅÊDz»¿ÉÉٵġ£½á¹¹¶¨ÒåÖ®ºó£¬¼´¿É½øÐбäÁ¿ËµÃ÷¡£·²ËµÃ÷Ϊ½á¹¹stuµÄ±äÁ¿¶¼ÓÉÉÏÊö4¸ö³ÉÔ±×é³É¡£Óɴ˿ɼû£¬ ½á¹¹ÊÇÒ»ÖÖ¸´ÔÓµÄÊý¾ÝÀàÐÍ£¬ÊÇÊýÄ¿¹Ì¶¨£¬ÀàÐͲ»Í¬µÄÈô¸ÉÓÐÐò±äÁ¿µÄ¼¯ºÏ¡£
11.2 ½á¹¹ÀàÐͱäÁ¿µÄ˵Ã÷
˵Ã÷½á¹¹±äÁ¿ÓÐÒÔÏÂÈýÖÖ·½·¨¡£ÒÔÉÏÃæ¶¨ÒåµÄstuΪÀýÀ´¼ÓÒÔ˵Ã÷¡£
1. Ïȶ¨Òå½á¹¹£¬ÔÙ˵Ã÷½á¹¹±äÁ¿¡£
È磺
struct stu
{
int num;
char name[20];
char sex;
float score;
&nb
Ïà¹ØÎĵµ£º
#include <stdio.h>
#define N 19
int main()
{
int i;
for (i=0;i<=N;i++)
{
printf("%*.*s%-*.*s\n",N,i<=N/2?i:N-1,"*******************",\
N,i<=N/2?i+1:N-i+1,"*******************");
}
return 0;
}
%m.ns ......
×ÔÓɵĸèÒ¥
¡¡¡¡±¾ÊéÊÇ×ÔÓÉÈí¼þ´ÔÊéµÄÒ»²¿·Ö£¬Ò²ÊÇÒ»Ê××ÔÓɵĸèÒ¥¡£
¡¡¡¡±¾ÊéÖвûÊöµÄGNU C¿â£¬¶¨ÒåÁËËùÓÐÔÚISO C±ê×¼Ëù¹æ¶¨µÄ£¬ÒÔ¼°POSIX±ê×¼¡¢ÆäËüÏà¹Ø±ê×¼ºÍUNIXϵͳËùÅÉÉúµÄ±ê×¼Öж¨ÒåµÄËùÓк¯Êý£¬ÎªGNU²Ù×÷ϵͳËùÖ§³Ö¡£
C³ÌÐòÉè¼ÆÓïÑÔÌṩÖîÈçÊäÈë/Êä³ö¡ ......
#include <stdlib.h>
#include<stdio.h>
#include<time.h>
#define randomize() srand((unsigned)time(NULL)) //¶¨ÒåÒ»¸öºê
int main(void)
{
int i;
printf("Ten random numbers from 0 to 99\n\n");
randomize();
for(i=0; i<100; i++)
{
printf("%d\n", rand() % 100);
sleep(1) ......
ÔÚ³ÌÐòÉè¼ÆÖУ¬ÎªÁË´¦Àí·½±ã£¬°Ñ¾ßÓÐÏàͬÀàÐ͵ÄÈô¸É±äÁ¿°´ÓÐÐòµÄÐÎʽ×éÖ¯ÆðÀ´¡£ÕâЩ°´ÐòÅÅÁеÄͬÀàÊý¾ÝÔªËØµÄ¼¯ºÏ³ÆÎªÊý×é¡£ÔÚ£ÃÓïÑÔÖУ¬Êý×éÊôÓÚ¹¹ÔìÊý¾ÝÀàÐÍ¡£Ò»¸öÊý×é¿ÉÒÔ·Ö½âΪ¶à¸öÊý×éÔªËØ£¬ÕâЩÊý×éÔªËØ¿ÉÒÔÊÇ»ù±¾Êý¾ÝÀàÐÍ»òÊǹ¹ÔìÀàÐÍ¡£Òò´Ë°´Êý×éÔªËØµÄÀàÐͲ»Í¬£¬Êý×éÓÖ¿É·ÖΪÊýÖµÊý×é¡¢×Ö·ûÊý×é¡¢Ö¸ÕëÊý×é¡¢½á¹ ......
ÔÚÇ°ÃæÒѾ½éÉܹý£¬£ÃÔ´³ÌÐòÊÇÓɺ¯Êý×é³ÉµÄ¡£ËäÈ»ÔÚÇ°Ãæ¸÷ÕµijÌÐòÖдó¶¼Ö»ÓÐÒ»¸öÖ÷º¯Êýmain()£¬µ«ÊµÓóÌÐòÍùÍùÓɶà¸öº¯Êý×é³É¡£º¯ÊýÊÇ£ÃÔ´³ÌÐòµÄ»ù±¾Ä£¿é£¬Í¨¹ý¶Ôº¯ÊýÄ£¿éµÄµ÷ÓÃʵÏÖÌØ¶¨µÄ¹¦ÄÜ¡££ÃÓïÑÔÖеĺ¯ÊýÏ൱ÓÚÆäËü¸ß¼¶ÓïÑÔµÄ×Ó³ÌÐò¡££ÃÓïÑÔ²»½öÌṩÁ˼«Îª·á¸»µÄ¿âº¯Êý(ÈçTurbo C£¬MS C¶¼ÌṩÁËÈý°Ù¶à¸ö¿âº¯Êý)£¬» ......