Php 在类内的函数中访问$bucket时出现问题
我正在尝试构建一个可重用的db类,它允许我对couchbase db访问基本的crud函数。当我尝试执行此函数时,出现以下错误:Php 在类内的函数中访问$bucket时出现问题,php,couchbase,Php,Couchbase,我正在尝试构建一个可重用的db类,它允许我对couchbase db访问基本的crud函数。当我尝试执行此函数时,出现以下错误: PHP Notice: Undefined variable: bucket in /var/www/html/PHRETS/couchBase.php on line 26 PHP Fatal error: Uncaught Error: Call to a member function upsert() on null in /var/www/html/PH
PHP Notice: Undefined variable: bucket in
/var/www/html/PHRETS/couchBase.php on line 26 PHP Fatal error:
Uncaught Error: Call to a member function upsert() on null in
/var/www/html/PHRETS/couchBase.php:26 Stack trace:
#0 /var/www/html/PHRETS/retsphp.php(72): couchDb::upsert('OpenHouse::b769...', Object(OpenHouse))
#1 {main} thrown in /var/www/html/PHRETS/couchBase.php on line 26
所以问题是如何从类中的函数访问$bucket对象
这是我在couchBase.php中的代码
<?php
use Ramsey\Uuid\Uuid;
use Ramsey\Uuid\Exception\UnsatisfiedDependencyException;
$bucketName = "default";
// Establish username and password for bucket-access
$authenticator = new \Couchbase\PasswordAuthenticator();
$authenticator->username('Administrator')->password('Password');
// Connect to Couchbase Server - using address of a KV (data) node
$cluster = new CouchbaseCluster("couchbase://127.0.0.1");
// Authenticate, then open bucket
$cluster->authenticate($authenticator);
$bucket = $cluster->openBucket($bucketName);
class couchDb {
public function upsert($DocId, $doc)
{
$result = $bucket->upsert($DocId, $doc);
return ($result->cas);
}
}
因此类范围中不知道“$bucket”。要在类中使用“bucket”,可以注入此实例。请查看下面这样的“”:
class couchDb {
private $bucket;
public function __construct(THE_TYPE_WICH_RETURNS_OPENBUCKET $bucket)
{
$this->bucket = $bucket;
}
public function upsert($DocId, $doc)
{
$result = $this->bucket->upsert($DocId, $doc);
return ($result->cas);
}
}
首先,请注意CouchDB和Couchbase不是一回事,我建议重命名您的类以避免混淆如何找到类型来替换“the_type_which_RETURNS_OPENBUCKET”,类型提示不是严格要求的,我不认为,但我认为他的意思是openBucket返回的类型。这可能是“IBucket”或“Bucket”。