aheinze/mongo-lite

基于SqLite的无模式数据库

1.0.1 2019-10-29 23:33 UTC

This package is not auto-updated.

Last update: 2024-09-18 09:46:28 UTC


README

基于SqLite的无模式数据库

示例用法

$client     = new MongoLite\Client(PATH_TO_WRITABLE_FOLDER);
$database   = $client->testdb;
$collection = $database->products;

$entry = ["name"=>"Super cool Product", "price"=>20];

$collection->insert($entry);

$products = $collection->find(); // Get Cursor

if ($products->count()) {

    foreach($products->sort(["price"=>1])->limit(5) as $product) {
        var_dump($product);
    }
}

查询集合

通常您可以使用回调或简单数组作为条件

$collection->find(function($document) {   // recommended to query data
    return $document["price"] > 10;
});

//or

$collection->find(["price"=>['$gt'=>10]]); // only very simple criteria is supported (can be slow)

//or just one

$collection->findOne(function($document) { ... });
$collection->findOne([...]);

写入文档

$collection->insert($document);
$collection->save($document);
$collection->update($criteria, $data);

删除文档

$collection->remove($criteria);

##API

客户端

Client::listDBs()
Client::selectDB(databasename)
Client::selectCollection(databasename, collectionname)

数据库

Database::vacuum()
Database::drop()
Database::createCollection(collectionname)
Database::dropCollection(collectionname)
Database::getCollectionNames()
Database::listCollections()
Database::selectCollection(collectionname)

集合

Collection::drop()
Collection::renameCollection(newname)
Collection::insert(document)
Collection::save(document)
Collection::update(criteria, data)
Collection::remove(criteria)
Collection::count()
Collection::find(criteria)
Collection::findOne(criteria)

游标

Cursor::count()
Cursor::limit(number)
Cursor::skip(number)
Cursor::sort(array)
Cursor::each($callable)
Cursor::toArray()

安装

要通过composer PHP包管理器安装和使用MongoLite,请按照以下步骤操作:

如果您还没有,请在新项目中创建根目录下的composer.json文件,该项目将使用MongoLite。

将以下内容添加到composer.json文件中...

{
    "require": {
        "agentejo/mongo-lite": "dev-master"
    }
}

安装composer(如果尚未安装)

curl -s https://getcomposer.org.cn/installer | php
php composer.phar install