c언어 mongdb_mongodb 명령어 사용(insert,find 등)

 
#include <bson.h>
#include <mongoc.h>
#include <stdio.h>

int main (int argc, char *argv[]){
   mongoc_client_t *client;
   mongoc_collection_t *collection;
   bson_error_t error;
   bson_oid_t oid;
   struct tm born = { 0 };
   bson_t   *document;


   born.tm_year = 6;
   born.tm_mon = 11;
   born.tm_mday = 9;
   mongoc_init ();

   client = mongoc_client_new ("mongodb://localhost:27017");
   collection = mongoc_client_get_collection (client, "attendance", "userlist");

   document = BCON_NEW (
      "born", BCON_DATE_TIME (mktime (&born) * 1000),
      "name", "{",
      "choi", BCON_UTF8 ("check"),
      "kim", BCON_UTF8 ("nope"),
      "}"
   );
   bson_oid_init (&oid, NULL); //ObjectId인듯 하다. 안해줘도 무방하다. 
   BSON_APPEND_OID (document, "_id", &oid);
   // 만든 document 대로 해당 db로 insert해주게 된다.
   if (!mongoc_collection_insert (collection, MONGOC_INSERT_NONE, document, NULL, &error)) {
       fprintf (stderr, "%s\n", error.message);
   }

   bson_destroy (document);
   mongoc_collection_destroy (collection);
   mongoc_client_destroy (client);
   mongoc_cleanup ();

   return 0;
}

#include <bson.h>
#include <mongoc.h>
#include <stdio.h>

intmain (int argc, char *argv[])
{
   mongoc_client_t *client;
   mongoc_collection_t *collection;
   mongoc_cursor_t *cursor;
   const bson_t *doc;
   bson_t *query;
   char *str;
   mongoc_init ();

   client =
      mongoc_client_new ("mongodb://localhost:27017");
   collection = mongoc_client_get_collection (client, "attendance", "userlist");
   query = bson_new (); // 밑에의 조건을 추가 안해주면 모든 데이터 출력 해줌
   //BSON_APPEND_UTF8(query,"hello", "world"); // 특정 키:값인 데이터 찾기 
   cursor = mongoc_collection_find_with_opts (collection, query, NULL, NULL);

   while (mongoc_cursor_next (cursor, &doc)) {
      str = bson_as_json (doc, NULL);
      printf ("%s\n", str);
      bson_free (str);
   }

   bson_destroy (query);
   mongoc_cursor_destroy (cursor);
   mongoc_collection_destroy (collection);
   mongoc_client_destroy (client);
   mongoc_cleanup ();

   return 0;
}