#include
#define WIN32COMMON //避免函数重定义错误
#include
using namespace std;
using namespace oracle::occi;
int main()
{
Environment *env;
Connection *conn;
Statement *stmt;
ResultSet *rs;
string username = "collect";
string password = "1234";
string connstring = "192.168.11.40:1521/orcl";
string sql,strname;
string isno;
env = Environment::createEnvironment(); //创建一个环境变量
conn = env->createConnection(username,password,connstring); //创建一个数据库连接对象
sql = "SELECT host_name FROM m_host "; //拼接一个SQL语句
stmt = conn->createStatement(sql); //创建一个Statement对象
stmt ->executeUpdate();
try
{
rs = stmt->executeQuery();//执行SQL语句
while (rs->next())
{ //用循环,一条一条地取得查询的结果记录
isno = rs->getString(1);//取出第一列的值(对应为int型)
cout << isno ;
}
cout << "SELECT ―― SUCCESS" << endl;
}
catch (SQLException ex)
{ cout << " Error Number : "<< ex.getErrorCode() << endl; //取出异常代码
cout << ex.getMessage() << endl; //取出异常信息
}
conn->terminateStatement(stmt); //终止Statement对象
env->terminateConnection(conn); //断开数据库连接
Environment::terminateEnvironment(env); //终止环境变量
return 0;
}
已经加载了头文件库文件还有lib文件,运行会有这个错误,是连接的语句出错了吗,