vc连接mysql

官方网站
http://dev.mysql.com/doc/refman/5.7/en/c-api-function-overview.html
#include <iostream.h>
#include <stdio.h>
#include <windows.h>
#include <mysql.h>

int main()
{
MYSQL mysql;
MYSQL_RES *result;
MYSQL_FIELD *fields;
MYSQL_ROW rows;

int numOfRows, numOfFields;

mysql_init(&mysql);

if (!mysql_real_connect(&mysql,"127.0.0.1","root","","bi",0,NULL,0)){
fprintf(stderr, "Failed to connect to database: Error: %s\n",
mysql_error(&mysql));

return -1;
}

printf("MYSQL VERSON IS : %s\n",mysql_get_server_info(&mysql));

mysql_set_character_set(&mysql, "gbk");

if (!mysql_query(&mysql,"SELECT * FROM trans_05 LIMIT 0 , 10 ")){
result = mysql_store_result(&mysql);
while (fields = mysql_fetch_field(result)){
printf("%s\t",fields->name);
}
printf("\n");

numOfFields = mysql_num_fields(result);

while (rows = mysql_fetch_row(result)){
for (int i=0; i<numOfFields; i++){
printf("%s\t",rows[i]);
}
printf("\n");
}

numOfRows = (int)mysql_num_rows(result);
printf("%d rows fetch.\n",numOfRows);

mysql_free_result(result);

}else{
printf("select error : %s\n",mysql_error(&mysql));
}

mysql_close(&mysql);

return 0;
}