linux中c/c++连接mysql示例程序

#include <stdio.h>

#include <string.h>

#include <mysql.h>

int main()

{

MYSQL mysql;

MYSQL_RES *res;

MYSQL_ROW row;

char *query;

int t;

mysql_init(&mysql);

/*connection*/

if(!mysql_real_connect(&mysql,"localhost","root","","test",0,NULL,0)){

printf("Connect failed\n");

}else{

printf("Connect successful\n");

}

/*select*/

query="select * from t1;";

if(mysql_real_query(&mysql,query,(unsigned int)strlen(query))==0){

printf("query successful\n");

}else{

printf("query failed\n");

}

res=mysql_store_result(&mysql);

while(row=mysql_fetch_row(res)){

for(t=0;t<mysql_num_fields(res);t++)

{

printf("%s\t",row[t]);

}

}

/*create table*/

/* query="create table t2(name char(15),age int);";

if(mysql_real_query(&mysql,query,(unsigned int)strlen(query))==0){

printf("create table successful\n");

}else{

printf("create table failed\n");

}

*/

/*insert*/

/* query="insert into t1(name,age) values ('zhang',32);";

if(mysql_real_query(&mysql,query,(unsigned int)strlen(query))==0){

printf("Insert successful\n");

}else{

printf("Insert failed\n");

}

*/

/*delete*/

/* query="delete from t1 where age=20;";

if(mysql_real_query(&mysql,query,(unsigned int)strlen(query))==0){

printf("Delete successful\n");

}else{

printf("Delete failed\n");

}

*/

/*update*/

/* query="update t1 set age=100 where name='wa';";

if(mysql_real_query(&mysql,query,(unsigned int)strlen(query))==0){

printf("Update successful\n");

}else{

printf("Update failed\n");

}

*/

mysql_close(&mysql);

return 0;

}

安装

mysql-server-5.1.73-3.el6_5.x86_64

mysql-5.1.73-3.el6_5.x86_64

mysql-connector-odbc-5.1.5r1144-7.el6.x86_64

mysql-devel-5.1.73-3.el6_5.x86_64

mysql-libs-5.1.73-3.el6_5.x86_64

编译

gcc -o sqlconnect sqlconnect.c -I/usr/include/mysql -L/usr/lib64/mysql -lmysqlclient