我有一个帐户类，看起来像这样:
class Account {
public $accID;
public $balance;
public function __construct($accNum, $startBalance){
$this->accID = $accNum;
$this->balance = $startBalance;
}
public function deposit($amount){
$this->balance = $balance + $amount;
}
public function withdraw($amount){
if($amount > $this->balance)
die("There is not enough money in this account to withdraw");
$this->balance = $balance + $amount;
}
public function getbalance() {
return $this->balance;
}
public function getaccID() {
return $this->accID;
}
public function setaccID($accID){
$this->accID = $accID;
}
}
这很好，但是我是从处理事务的文本文件输入的。例如:"105 D 200"，意思是去账户105和存款200。我已经能够创建多个帐户，并将交易文件拆分为不同的部分。
foreach($getFile as $v) {
list($c, $d, $e) = explode(" ", $v);
$acc[] = $c;
$type[] = $d;
$amount[] = $e;
}
我只是不知道如何使用这些子字符串来与帐户类中的函数一起工作。
任何帮助将是感激的，谢谢你!
首先，在您的提取方法中存在逻辑错误，您正在添加金额而不是从余额中减去它，
您可以创建某种帐户管理器，它将存储所有帐户，您可以从中获取帐户，删除，获取所有帐户…等
然后你可以读取文件并处理它。整个代码应该是这样的:
foreach($getFile as $v) {
list($c, $d, $e) = explode(' ', $v);
$account = AccountManager::manager()->getAccountWithId($c);
if($d == 'D') {
$account->deposit($e);
}
// add more cases when to withdraw ... etc
}
print_r(AccountManager::manager()->getAccounts());
// This will be a Singleton
class AccountManager {
private static $instance;
private $accounts;
protected function __construct() {
$this->accounts = Array();
}
// To create a single instance
public static function manager() {
if(AccountManager::$manager === null) {
AccountManager::$manager = new AccountManager();
}
return AccountManager::$manager;
}
public getAccountWithId($accountId,$autoCreate = true) {
if(array_key_exists($accountId,$this->accounts)) {
return $this->accounts[$accountId];
} else if($autoCreate) {
// Create a new account with zero balance
$account = new Account($accountId,0);
$this->accounts[$accountId] = $account;
return $account;
}
return null;
}
public deleteAccountWithId($accountId) {
if(array_key_exists($accountId,$this->accounts)) {
unset($this->accounts[$accountId]);
}
}
public getAccounts() {
return array_values($this->accounts);
}
}
class Account {
public $accID;
public $balance;
public function __construct($accNum, $startBalance){
$this->accID = $accNum;
$this->balance = $startBalance;
}
public function deposit($amount){
$this->balance += $amount;
}
public function withdraw($amount){
if($amount > $this->balance) {
die("There is not enough money in this account to withdraw");
}
// Make sure you are substracting the amount and not adding it.
$this->balance -= $amount;
}
public function getbalance() {
return $this->balance;
}
public function getaccID() {
return $this->accID;
}
public function setaccID($accID){
$this->accID = $accID;
}
}