connector c++ 链接mysql 存储数据

#ifndef  _CONNET_SQL_
#define _CONNET_SQL_
#include
#include
#include
#include
#include
#include
#include
#include "mysql_connection.h"
#include 
#include 
#include 
#include 
using std::string;
using std::vector;
using std::cout;
using std::endl;
using std::getline;
using std::atoi;
using std::to_string;
using std::ofstream;
using std::fstream;
using Eigen::Matrix;
using Eigen::Dynamic;
class ConnetSQL
{
public:
	ConnetSQL(string location, string dbName, string passWord);
	~ConnetSQL() {
		delete driver;
		delete connection;
	}
	void createSchema(string name);                                                                                                                           //schema 是否存在
	void showDatabases();
	void ceateTable(string schemaName, string tableName);
	void showTables(string scheamName);
	void pushMatrix(string scheamName,vector>& data,string tableName);                       //默认名字0开始
private:
	void saveTrainData(string path, string scheamName);
	vector split(string str, string pattern);
	bool isExist(string name);
	bool isExistTable(string scheamName, string tablename);                                                                                //table是否存在
	
private:
	sql::mysql::MySQL_Driver* driver=0;
	sql::Connection* connection=0;
};
//第一次 连接 创数据库 建表导入数据
//第二次 连接 导出数据 或者 新建表存数据
#endif // !_CONNET_SQL_

#include"connetSQL.h"
ConnetSQL::ConnetSQL(string location, string adName, string passWord) {
	cout << "连接数据库中---------------------" << endl;
	try {
		driver = sql::mysql::get_mysql_driver_instance();
		connection = driver->connect(location, adName, passWord);
		cout << "连接成功" << endl;
	}
	catch(...) {
		cout << "连接失败" << endl;
	}
}

void ConnetSQL::createSchema(string name) {
	if (isExist(name))
		cout << "schema已存在" << endl;
	else {
		sql::Statement* state = connection->createStatement();
		string str = "CREATE DATABASE "+ name;
		state->execute(str);
	}
}

bool ConnetSQL::isExist(string name) {
	sql::ResultSet* res;
	sql::Statement* state = connection->createStatement();
	res = state->executeQuery("SHOW DATABASES");
	while (res->next()) {
		if (name == res->getString(1))
			return true;
	}
	return false;
}

void ConnetSQL::showDatabases() {
	sql::Statement* state = connection->createStatement();
	sql::ResultSet* res = state->executeQuery("SHOW DATABASES");
	while (res->next())
		cout << res->getString(1)<setSchema(scheamName);
	sql::Statement* state = connection->createStatement();
	sql::ResultSet* res = state->executeQuery("SHOW TABLES");
	while (res->next()) {
		if (res->getString(1) == name)
			return true;
	}
	return false;
}

void ConnetSQL::ceateTable(string scheamName, string tableName) {
	if (isExist(scheamName)) {
		if (isExistTable(scheamName,tableName))
			cout << "表已存在" << endl;
		else {
			connection->setSchema(scheamName);
			sql::Statement* state = connection->createStatement();
			string str = "CREATE TABLE " + tableName+" (name varchar(10))";
			state->execute(str);
			return;
		}
	}
	cout << "scheame不存在" << endl;
}

void ConnetSQL::showTables(string scheamName) {
	connection->setSchema(scheamName);
	sql::Statement* state = connection->createStatement();
	sql::ResultSet* res;
	res = state->executeQuery("SHOW TABLES");
	while (res->next()) {
		cout << res->getString(1) << endl;
	}
}

void ConnetSQL::saveTrainData(string path, string scheamName) {
	fstream in;
	in.open(path);
	connection->setSchema(scheamName);
	sql::Statement* state = connection->createStatement();
    state->execute("CREATE TABLE t_trainData(id int primary key auto_increment,x1 double,y1 double,x2 double,y2 double,x3 double,y3 double,x4 double,y4 double,x5 double,y5 double,x6 double,y6 double,x7 double,y7 double)");
	while (!in.eof()) {
		string test;
		getline(in, test);
		vector vec = split(test, " ");
		vec[0] = to_string(0);
		string str = "INSERT INTO t_trainData(id,x1,y1,x2,y2,x3,y3,x4,y4,x5,y5,x6,y6,x7,y7) VALUES(" + vec[0] + "," + vec[1] + "," + vec[2] + "," + vec[3] + "," + vec[4] + "," + vec[5] + "," + vec[6] + "," + vec[7] + "," + vec[8] + "," + vec[9] + "," + vec[10] + "," + vec[11] + "," + vec[12] + "," + vec[13] +","+vec[14]+ ")";
		state->execute(str);
	}
	cout << "结束" << endl;
}

vector ConnetSQL::split(string str,  string pattern) {
	string::size_type pos;
	vector result;
	str += pattern;
	for (int i = 0; i < str.size(); i++) {
		pos = str.find(pattern, i);
		if (pos>& data, string tableName) {
	
}