Collection — MongoDB 集合
- 文件位置:
kernel/Foundation/Database/MongoDB/Collection.php - 命名空间:
kernel\Foundation\Database\MongoDB - 是否可继承: 是
集合级封装，绑定一个集合名的 CRUD 操作，可单例化。
获取实例
php
use kernel\Foundation\Database\MongoDB\Collection;
$collection = Collection::instance();方法
| 方法 | 说明 |
|---|---|
id($id = ""): ObjectId | 字符串转 ObjectId |
realId($id): string | 还原字符串 |
find($filter = [], $options = [], $associative = false) | 查询 |
findOne($filter = [], $options = [], $associative = false) | 查询单条 |
insert($doc = [], $options = []): int | 插入 |
update($query = [], $updateData, $options = []): WriteResult | 更新 |
delete($query = [], $options = []) | 删除 |
exist($filter): bool | 是否存在 |
command($commands): Command | 构造命令 |
execCommand($commands, $options = []) | 执行命令 |
使用
php
$collection = Collection::instance();
$collection->insert(["name" => "张三", "age" => 20]);
$doc = $collection->findOne(["name" => "张三"]);