8.Common Function


  • ÇÔ¼öÀÇ »ç¿ë

      ¾ÕÀåÀÇ ¿¹¸¦ ºÃÀ» ÅÙµ¥, ¾ÆÁÖ °£´ÜÇÏ´Ù. Áï,

    • GET¹æ½Ä : cgiget.h¸¦ include! getGetData() È£Ãâ

    • POST¹æ½Ä : cgipost.h¸¦ include! getPostData() È£Ãâ


      ¿©±â±îÁö ÇÏ°Ô µÇ¸é, Form Tag¿¡ »ç¿ëÀÚ°¡ ÀûÀº ³»¿ëµéÀÌ entries¶ó´Â structure array¿¡ entrey_count°³¼ö¸¸Å­ µé¾î°¡ ÀÖ°Ô µÈ´Ù.

  • ±âŸ Ãß°¡ ÇÔ¼ö

      ¹®Á¦´Â Form Tag·Î µé¾î¿À´Â ¸¹Àº °ªµé Áß¿¡ ƯÁ¤ °ªÀÌ ¹ºÁö ¾Ë°í ½Í´Ù°í ÇÏÀÚ. Áï, ´ÙÀ½°ú °°Àº FormÀÌ ÀÖÀ» ¶§, (¾ÕÀåÀÇ ¿¹Áß ÀϺÎ)

    userid : <INPUT TYPE=text NAME=userid>
    passwd : <INPUT TYPE=password NAME=passwd>
    animal : <SELECT NAME=animal>
                      <OPTION>lion
                      <OPTION>tiger
                      <OPTION>monkey
                </SELECT>


      ÇÁ·Î±×·¥¿¡¼­ userid°¡ ¹¹¿´´ÂÁö ¾î¶»°Ô ¾Ë±î? °£´ÜÇÏ´Ù. Áï, entries ¹è¿­À» µÚÁ®¼­ "userid"¶ó´Â nameÀ» °¡Áö´Â °ÍÀ» ã¾Æ¼­ val°ªÀ» °¡Á®¿À¸é µÈ´Ù. ÀÌ°Ô ±ÍÂú¾Æ¼­ ¾Æ¿¹ ÇÔ¼ö¸¦ ¸¸µé¾ú´Ù. findEntry()Àε¥ »ç¿ë¹æ¹ýÀº ´ÙÀ½°ú °°´Ù. get¹æ½ÄÀ» ¿¹·Î µé¸é,

    #include "cgiget.h"

    char* Userid;

    main()
    {
        int i;

        printf("Content-type: text/html\n\n");

        getGetData();

        Userid = findEntry("userid");
        if( Userid == NULL ){
           printf(" Please, Enter Userid\n"); exit(0);
        }
        printf(" User id is [%s]\n", Userid);
    }


      ¾î¶»°Ô ã´ÂÁö ±Ã±ÝÇÑ »ç¶÷Àº findEntryÇÔ¼ö¸¦ »ìÆìº¸¶ó.

      À§¿¡¼­ ±»ÀÌ Userid¸¦ Àü¿ªº¯¼ö(global)·Î ¼±¾ðÇߴµ¥, ¾îÂ÷ÇÇ Àüü ÇÁ·Î±×·¥¿¡¼­ ½Ãµµ¶§µµ ¾øÀÌ ¾²À̱⠶§¹®¿¡ »«°ÍÀÌ´Ù.

      Userid¸¦ Æ÷ÀÎÅÍ·Î ¼±¾ðÇߴµ¥, Æ÷ÀÎÅ͸¸ º¸¸é ¹«¼­¿î »ç¶÷Àº ´ÙÀ½°ú °°ÀÌ ¹Ù²ã¼­ »ç¿ëÇØµµ ÁÁ´Ù. Áï, char* Userid; ºÎºÐÀº char Userid[100]; findEntryÇÔ¼ö ºÎºÐÀº strcpy(Userid, findEntry("userid"));·Î ¹Ù²ã¼­ ¾²¸é µÈ´Ù. ±×·¯³ª ÁÖÀÇÇÒ Á¡Àº, ¸¸ÀÏ Userid·Î µé¾î¿À´Â °ªÀÌ 100ÀÚ¸®¸¦ ³ÑÀ» °æ¿ì¿¡ ¹®Á¦°¡ »ý±â°Ô µÈ´Ù. µû¶ó¼­ ÀÌ·² °æ¿ì¿¡´Â strncpy(Userid, findEntry("userid"), 100-1);·Î Çϸé 99¹øÂ° ÀÚ¸®¿¡¼­ ©¸®°í, ¸Ç ¸¶Áö¸·¿¡ ³ÎÀÌ µé¾î°¡¼­ ¹®Á¦¸¦ ÀÏÀ¸Å°Áö´Â ¾Ê´Â´Ù.

      ÀÌ·¸°Ô ÇØ¼­, CGI¸¦ À§ÇÑ GET, POST¹æ½Äº°·Î ±âº»ÀûÀÎ ÇÔ¼öµé°ú »ç¿ë¿¹±îÁö ºÃ´Ù. ÀÌÁ¦ Á» ¼ÓÀÌ ½Ã¿øÇÏÁö ¾ÊÀº°¡?

- Last Update : 2001.7.9 by Deadfire(http://www.deadfire.net)

CGI with C ±âÃÊ
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Form Tag
     - GET METHOD
     - POST METHOD
Common Founction

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