linux c 连接mysql数据库实例

#yum install -y mysql*

#service mysqld start

create table test(id int, name char(20) );
insert into test values(0,"beijing");
insert into test values(1,"shanghai");
insert into test values(2,"chongqin");
insert into test values(3,"dongjing");
insert into test values(4,"guiyang");
insert into test values(5,"najing");
insert into test values(6,"guangzhou");
insert into test values(7,"shengzhen");
insert into test values(8,"taibei");
insert into test values(9,"tianjing");
insert into test values(10,"xian");
insert into test values(11,"changsha");

#include <mysql.h>
#include <stdio.h>
void pthread_DB()
{
MYSQL mysql;
MYSQL_RES *res = NULL;
MYSQL_ROW row;
char x_sql[1000]="\0";
int Id[2];
char Name[10][20];
char Default[10][108];

mysql_init(&mysql);

if(!mysql_real_connect(&mysql,"localhost","root","","dbname",0,NULL,0))
{
printf("error connecting to database:%s\n",mysql_error(&mysql));
}

sprintf(x_sql,"select id,name from test");
printf("x_sql=%s\t\n",x_sql);
if((res = mysql_query(&mysql,x_sql))){
printf("query error: %s\t\n",res);
}
else{
res = mysql_store_result(&mysql);
while((row = mysql_fetch_row(res)))
{
printf("id = %3s,",row[0]);
printf("Name = %s \n",row[1]);
fflush(stdout);
}
mysql_free_result(res);

}
mysql_close(&mysql);
}

void main(){
pthread_DB();
}

gcc   -o   demo  demo.c -I  /usr/include/mysql -L /usr/lib/mysql -l mysqlclient -lz