demo(软件结构).cpp

DOS下的开发,仅供参考,对于新的学习的学生C的学习有用

#include <iostream.h>
#include <unistd.h>
#include <sys/param.h>
#include <sybfront.h>

//使用DB-Library函数编程需要使用的头文件

#include <sybdb.h>

#include <syberror.h>
#include <stdio.h>
#define UID "niit"                    //登陆数据库用户名
#define PWD "niit"                    //登陆数据库密码
#define DBSERVER "192.168.1.67:1433"  //SQL Server IP地址和链接端口
#define DBNAME "project"              //数据库名称
#define MAXHOSTNAMELEN 256            //主机名称长度

//由用户名和口令组成的环境信息的结构体指针
LOGINREC *login;
//SQL Server 与应用程序通信的结构体指针
DBPROCESS *dbconn;

//数据库链接类

class Connection
{
public:
    //链接数据库    
    void connectDB();
    //断开数据库链接
    void disconnectDB();
    //执行SQL语句
    void execStatement(char* statement);
};

//应用程序类

class App
{
private:
	void insert();
public:
	void menu();
};

//数据库链接类实现
//参考SM1"项目执行"部分内容

void Connection::connectDB()
{
        char hostname[MAXHOSTNAMELEN];
        int max_len = MAXHOSTNAMELEN;
        if(dbinit() == FAIL)
        {
                cout<<"initialize DB error";
                cout<<endl;
        }
        if((login = dblogin())==FAIL)
        {
                cout<<"initialize dblogin() structure error";
        }
        DBSETLUSER(login, UID);
        DBSETLPWD(login, PWD);
        if(gethostname(hostname, max_len)==0)
        {
                DBSETLHOST(login,hostname);
        }
        if((dbconn=dbopen(login,DBSERVER))==NULL)
        {
                cout<<"connect to the DB server error: "<<DBSERVER<<endl;
        }
        if((dbuse(dbconn, DBNAME)) == FAIL)
        {
                cout<<"Open database error"<<DBNAME<<" in  "<< DBSERVER ;
                cout<<endl;
        }
        dbloginfree(login);
}
void Connection::disconnectDB()
{
        dbfreebuf(dbconn);
        dbclose(dbconn);
        dbexit();
}
void Connection::execStatement(char* statement)
{
	dbcmd(dbconn, statement);
	if (!dbsqlexec(dbconn)==FAIL)	
        {
		cout<<"Query executed successfully"<<endl;
        }
        else
        {
                cout<<"Error in execution"<<endl;
        }
}
void App::menu()
{
	char pOp;
	char cOp;
	while (true)
	{
		system("clear");
		cout<<"$$$$$$$$$$$ShareAccounting System$$$$$$$$$$\n";
		cout<<"$                                         $\n";
		cout<<"$>>>>>>>>>>>>>>>>>MainMenu<<<<<<<<<<<<<<<<$\n";
		cout<<"$                                         $\n";
		cout<<"$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n";
		cout<<"$  1 Proposer Information Management      $\n";
		cout<<"$  2 Stock Information Management         $\n";
		cout<<"$  3 Share Stock Information Management   $\n";
		cout<<"$  4 Reporter Print                       $\n";
		cout<<"$  5 Exit System                          $\n";
		cout<<"$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n";
		cout<<"\n";
		cout<<"Please Select Operate(1-5)$";
		cin>>pOp;
		cout<<"\n";
		switch pOp
		{
		case '1':
			system("clear");
			cout<<"########## ShareAccounting System #########\n";
			cout<<"#                                         #\n";
			cout<<"#>>>>>Proposer Information Management<<<<<#\n";
			cout<<"#                                         #\n";
			cout<<"###########################################\n";
			cout<<"#  1 Add Proposer Information             #\n";
			cout<<"#  2 Update Proposer Information          #\n";
			cout<<"#  3 Delete Proposer Information          #\n";
			cout<<"#  4 Return MainMenu                      #\n";
			cout<<"###########################################\n";
			cout<<"\n";
			while(true)
			{
				cout<<">>>>>Proposer Information Management<<<<<\n";
				cout<<"Please Select Operate(1-4)#";
				cin>>cOp;
				cout<<"\n";
				switch cOp
				{
					case '1':
				


						break;
					case '2':


						break;
					case '3':


						break;
					default

				}
				if(cOp=='4')break;	
			}
			break;
		case '2':
			system("clear");
			cout<<"########## ShareAccounting System #########\n";
			cout<<"#                                         #\n";
			cout<<"#>>>>>>>Stock Information Management<<<<<<#\n";
			cout<<"#                                         #\n";
			cout<<"###########################################\n";
			cout<<"#  1 Add Stock Information                #\n";
			cout<<"#  2 Update Stock Information             #\n";
			cout<<"#  3 Delete Stock Information             #\n";
			cout<<"#  4 Return MainMenu                      #\n";
			cout<<"###########################################\n";
			cout<<"\n";
			while(true)
			{
				cout<<">>>>>Stock Information Management<<<<<\n";
				cout<<"Please Select Operate(1-4)#";
				cin>>cOp;
				cout<<"\n";
				switch cOp
				{
					case '1':
				


						break;
					case '2':


						break;
					case '3':


						break;
					default

				}
				if(cOp=='4')break;	
			}
			break;
		case '3':
			system("clear");
			cout<<"########## ShareAccounting System #########\n";
			cout<<"#                                         #\n";
			cout<<"#>>>>Share Stock Information Management<<<#\n";
			cout<<"#                                         #\n";
			cout<<"###########################################\n";
			cout<<"#  1 Add Share Stock Information          #\n";
			cout<<"#  2 Update Share Stock Information       #\n";
			cout<<"#  3 Delete Share Stock Information       #\n";
			cout<<"#  4 Return MainMenu                      #\n";
			cout<<"###########################################\n";
			cout<<"\n";
			while(true)
			{
				cout<<">>>>>Share Stock Information Management<<<<<\n";
				cout<<"Please Select Operate(1-4)#";
				cin>>cOp;
				cout<<"\n";
				switch cOp
				{
					case '1':
				


						break;
					case '2':


						break;
					case '3':


						break;
					default

				}
				if(cOp=='4')break;	
			}			break;
		case '4':
			system("clear");
			cout<<"########## ShareAccounting System #########\n";
			cout<<"#                                         #\n";
			cout<<"#>>>>>>>>>>>>>>Reportor Print<<<<<<<<<<<<<#\n";
			cout<<"#                                         #\n";
			cout<<"###########################################\n";
			cout<<"#  1 Print Class The Most Share List      #\n";
			cout<<"#  2 Print Class Share List               #\n";
			cout<<"#  3 Print Date Share List                #\n";
			cout<<"#  4 Return MainMenu                      #\n";
			cout<<"###########################################\n";
			cout<<"\n";
			while(true)
			{
				cout<<">>>>>>>>>Reportor Print<<<<<<<<<<<\n";
				cout<<"Please Select Operate(1-4)#";
				cin>>cOp;
				cout<<"\n";
				switch cOp
				{
					case '1':
				


						break;
					case '2':


						break;
					case '3':


						break;
					default

				}
				if(cOp=='4')break;
			}			break;
			break;
		case '5':
			return;	
		default
	
		}
	}
}

//.........................................................
void App::insert()
{
    
}
int main()
{
	App app;
	app.menu_app();
	return 0;
}