customer.h

标准C++编写的小小CRM软件,无任何平台依赖.采用标准XML作为数据库.只需重新纺译,可在任何平台上运行.目前测试过在GCC和VC下都可以编译通过

// 通过这个类可以操纵数据库（也就是customer.xml），每创建一个对象，它就可以
// 把数据库中的内容读入内存中。当对象被删除时，它可以自动地将内存中的数据重新
// 写入数据库中，从而更新数据库。具体的操作接口可以看函数的说明
#pragma once
// #ifndef _CUSTOMER_
// #define _CUSTOMER_

#include <string>
#include <strstream>
#include <fstream>
#include <map>
#include <list>
#include "ToolFun.h"
#include <iostream>
#include <iomanip>

using namespace std;

#define defaultWeight	3

struct stuMan{
	stuMan():weight(0), id(0) { };
	map< string, string > msgMap;
	int weight;
	int id;
};

class Customer
{
public:
	typedef list< stuMan >::iterator Iterator;
public:
	Customer(void);
	virtual ~Customer(void);
	Iterator find( int id );		// check the customer exist in database.
	Iterator begin();				// return begin iterator of customers
	Iterator end();					// return end iterator of customes
	bool save();					// storage database file and format define file back to disk
	bool add();						// add a customer to database
	bool add( const map<string,string>&  attr_Map );	// add a customer to database;
	bool add( const struct stuMan& man );	// add a customer to database.
	bool chg( int id );				// change a customer's message.
	bool del( int id );				// delete a customer from database.
	bool display( int id );			// dispaly the usr with this ID's message
	bool display( const map<string,string>& cnd_Map );	// display the meesage of users who fix the condition
	bool display( const string& name );	// display this usr's message.
	bool displayf( const string& name );// display the message of usrs whose name look like as the name.
private:
	bool init();		// Initialize Customers' message;
	bool initFormat();	// Initialize the Customer's format map
private:
	list< stuMan > CMan;
	map<string,string> formatMap;
	int  maxID;
	bool ready;
};

ifstream& operator >> ( ifstream& is, Customer& c );
ostream& operator << ( ostream& os, const Customer& c );

// #endif