kernelke的专栏

#ifndef _SINGLE_MODE_H#define _SINGLE_MODE_H#define CLASS_SINGLE(class_name) \               static class_name* GetInstance() \               {\                        static class_name* pIn

头文件：//libmysql.lib 和libmysql.dll 拷贝到代码目录下，也可以在VC里面设置路径#ifndef _MYSQL_OBJECT_H#define _MYSQL_OBJECT_H#include #include "winsock.h"#include "mysql.h" class MySQLObject{public:

import os,sys,mathfrom openpyx1.workbook import Workbookfrom openpyx1.writer.excel import save_workbookfrom openpyx1.chart import ScatterChart, Serie, Reference, LineChart, BarChartglobal g_Li