mysql connection.h_MySQL connector c++使用笔记

Connection

Driver

PreparedStatement

ResultSet

ResultSetMetaData

Statement

下载安装mysql connector c++, 启动mysql, 使用test database.

准备数据(使用官方提供的示例数据, 参考 MySQL手册 3.3.3 http://dev.mysql.com/doc/refman/5.1/zh/tutorial.html)

CREATE TABLE pet (

name VARCHAR(20),

owner VARCHAR(20),

species VARCHAR(20),

sex CHAR(1),

birth DATE,

death DATE

);

导入数据(路径可以为相对路径或绝对路径)

LOAD DATA LOCAL INFILE 'pet.txt' INTO TABLE pet;

pet.txt(修改中间的间隔为\t)

FluffyHaroldcatf1993-02-04\N

ClawsGwencatm1994-03-17\N

BuffyHarolddogf1989-05-13\N

FangBennydogm1990-08-27\N

BowserDianedogm1979-08-311995-07-29

ChirpyGwenbirdf1998-09-11\N

WhistlerGwenbird\N1997-12-09\N

SlimBennysnakem1996-04-29\N

示例代码

#include

#include "mysql_driver.h"

#include "mysql_connection.h"

#include "cppconn/driver.h"

#include "cppconn/statement.h"

#include "cppconn/prepared_statement.h"

#include "cppconn/metadata.h"

#include "cppconn/exception.h"

int main() {

const char* user = "root";

const char* passwd = "";

const char* host = "tcp://localhost:3306";

const char* database = "test";

try {

sql::mysql::MySQL_Driver* driver =

sql::mysql::get_mysql_driver_instance();

sql::Connection* conn = driver->connect(host, user, passwd);

conn->setSchema(database);

std::cout << "status: " << conn->isClosed() << std::endl;

sql::Statement *stmt = conn->createStatement();

sql::ResultSet *res = stmt->executeQuery("select 1;");

while (res->next()) {

std::cout << res->getInt(1) << std::endl;

}

res = stmt->executeQuery("select * from pet;");

while (res->next()) {

std::cout << res->getString(1) << ",";

std::cout << res->getString(2) << ",";

std::cout << res->getString(3) << ",";

std::cout << res->getInt(4) << ",";

std::cout << res->getString(5) << ",";

std::cout << res->getString(6) << std::endl;

}

delete res;

delete stmt;

delete conn;

} catch (sql::SQLException& e) {

std::cout << "# ERR: SQLException in " << __FILE__;

std::cout << "(" << __FUNCTION__ << ") on line " << __LINE__ << std::endl;

std::cout << "# ERR: " << e.what();

std::cout << " (MySQL error code: " << e.getErrorCode();

std::cout << ", SQLState: " << e.getSQLState() << " )" << std::endl;

}

return 0;

}

运行结果

status: 0

1

Fluffy,Harold,cat,0,1993-02-04,

Claws,Gwen,cat,0,1994-03-17,

Buffy,Harold,dog,0,1989-05-13,

Fang,Benny,dog,0,1990-08-27,

Bowser,Diane,dog,0,1979-08-31,1995-07-29

Chirpy,Gwen,bird,0,1998-09-11,

Whistler,Gwen,bird,0,1997-12-09,

Slim,Benny,snake,0,1996-04-29,

参考文档:

官方手册: http://dev.mysql.com/doc/refman/5.6/en/connector-cpp.html

MySQL Connector/C++文档翻译: http://www.cnblogs.com/dvwei/archive/2013/04/18/3029464.html