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【powerlog2.c】：
//Version: 2.0
#include <stdio.h>
#include <mysql.h>
#include <string.h>
int main(int argc, char* argv[])
{
MYSQL conn;
mysql_init(&conn);
if (!mysql_real_connect(&conn,"localhost","用户名","密码","数据库名",0,NULL,0))
{
printf("Can not connect the database server.\n");
return 1;
}
mysql_query(&conn,"SET NAMES utf8");
char* sql;
if (argc>=2 && strcmp(argv[1],"on")==0)
sql="INSERT INTO `powerlog` (`time`,`flag`) VALUES (now(),'POWER ON')";
else
sql="INSERT INTO `powerlog` (`time`) VALUES (now())";
mysql_query(&conn,sql);
//Display the time
printf("Welcome\n");
sql="SELECT now()";
mysql_query(&conn,sql);
MYSQL_RES* rs=mysql_store_result(&conn);
MYSQL_ROW row=mysql_fetch_row(rs);
char buffer[100];
sprintf(buffer,"%s",row[0]);
printf("%s\n",buffer);
mysql_free_result(rs);
mysql_close(&conn);
return 0;
}
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