我使用laravel5.5的数据库事务进行在线支付应用程序.我有一个company_account表来记录每次付款(type,amount,create_at,gross_income).gross_income创建新记录时,我需要访问最后一条记录.所以我需要在具有读写表锁的事务时锁定表,以避免同时进行多次付款.
我已经参考了laravel的doc,但我不确定该事务是否会锁定表.如果事务将锁定表,那么什么是锁类型(读锁定,写锁定或两者)?
DB::transaction(function () {
// create company_account record
// create use_account record
}, 5);
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码:
DB::transaction(function ($model) use($model) {
$model = Model::find($order->product_id);
$user = $model->user;
// **update** use_account record
try {
$user_account = User_account::find($user->id);
} catch (Exception $e){
$user_account = new User_account;
$user_account->user_id = $user->id;
$user_account->earnings = 0;
$user_account->balance = 0;
}
$user_account->earnings += $order->fee * self::USER_COMMISION_RATIO;
$user_account->balance += $order->fee * self::USER_COMMISION_RATIO;
$user_account->save();
// **create** company_account record
$old_tiger_account = …Run Code Online (Sandbox Code Playgroud) 当我双击一个记录进行编辑时,它不会填充日期选择器(即日期选择器显示空白,即使记录具有该值).

我搜索了很多,但没有得到任何修复.
任何人有任何想法......?
我需要使用Zend Captcha并编写以下代码:
<?php
require_once ('Zend/Form.php');
class Form_Signup extends Zend_Form {
public function __construct( $options = null ) {
parent::__construct( $options );
// Set method
$this->setMethod('post');
// Elements array
$elements = array();
$element = new Zend_Form_Element_Captcha('captcha', array('label' => "",
'captcha' => array('captcha' => 'Image',
'name' => 'myCaptcha',
'wordLen' => 5,
'timeout' => 300,
'font' => 'font/monofont.ttf',
'imgDir' => 'captcha/',
'imgUrl' => '/captcha/')
)
);
$elements[] = $element;
// Submit Button
$element = $this->CreateElement('submit', 'Signup');
$element->setLabel('Signup');
$elements[] = $element;
// --------------------------
// …Run Code Online (Sandbox Code Playgroud) 为什么in_array不在从循环php创建的数组上工作?
这下面的代码显示Match found.
<?php
for ($i = 0; $i < 10; ++$i) {
$people[] = $i;
}
if (in_array('test', $people))
{
echo "Match found";
}
else
{
echo "Match not found";
}
?>
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以下代码显示Match not found.
<?php
$people = array("0","1","2","3","4","5","6","7","8","9");
if (in_array('test', $people))
{
echo "Match found";
}
else
{
echo "Match not found";
}
?>
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如何解决第一个代码显示 Match not found
我尝试过以下方法:
var request = require('sync-request');
var res = request('POST', 'http://someurl.com', {
body: {
'city': 'Dubai'
}
});
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但是没有在服务器上获得任何参数.
是否可以得到 $output 如下:
$output = Artisan::call('command:name');
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我在不同的帖子中尝试了许多解决方案,但它在我的 Laravel 5.2 上不起作用。
例如,如何转换以下数组:
$array1 = array("value1" => "20", "value2" => 40, array("value3" => 60));
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至:
$array1 = array("value1" => "20", "value2" => "40", array("value3" => "60"));
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extjs ×2
extjs4 ×2
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