这是一个常用的控制器，顾名思义，它有一个存储视图所需的模型数据的数组。

This is a commonly used controller that, as the name suggests, has an array that holds the model data needed for the view. All you need to do is provide the data for the controller and handle sorting.

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当您需要根据输入数据标准将输入数组划分成两个或更多更小的数组时，可以使用这个技术。

You can use this technique when you need to separate an input array into two or more smaller arrays based on criteria in the input data.

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它也指定了发送数组和不透明数据块的格式。

It also specifies a format for sending arrays and blocks of opaque data.

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