分享一个TP5实现Create()方法的心得

3.X中的实现方法如下：

$Model = D('User');
$Model->create();
$Model->add();

欣喜之余便测试了一下，发现返回的内容是个类，不能直接做修改，只能接着连贯操作：

app\category\model\Category Object
(
    [connection:protected] => Array
        (
        )
    [name:protected] => Category
    [table:protected] =>
    [class:protected] => app\category\model\Category
    [pk:protected] =>
    [error:protected] =>
    [validate:protected] =>
    [field:protected] => Array
        (
        )
    [visible:protected] => Array
        (
        )
    [hidden:protected] => Array
        (
        )
    [append:protected] => Array
        (
        )
    [data:protected] => Array
        (
            [title] => dd
            [sort] => 1
            [pcid] => 0
        )
    [change:protected] => Array
        (
        )
    [auto:protected] => Array
        (
        )
    [insert:protected] => Array
        (
        )
    [update:protected] => Array
        (
        )
    [autoWriteTimestamp:protected] =>
    [createTime:protected] => create_time
    [updateTime:protected] => update_time
    [deleteTime:protected] => delete_time
    [dateFormat:protected] => Y-m-d H:i:s
    [type:protected] => Array
        (
        )
    [isUpdate:protected] =>
    [updateWhere:protected] =>
    [relation:protected] =>
    [failException:protected] =>
)

[data:protected] => Array
    (
        [title] => dd
        [sort] => 1
        [pcid] => 0
    )

/**
     * 获取对象原始数据 如果不存在指定字段返回false
     * @access public
     * @param string $name 字段名 留空获取全部
     * @return mixed
     * @throws InvalidArgumentException
     */
    public function getData($name = null)
    {
        if (is_null($name)) {
            return $this->data;
        } elseif (array_key_exists($name, $this->data)) {
            return $this->data[$name];
        } else {
            throw new InvalidArgumentException('property not exists:' . $this->class . '->' . $name);
        }
    }

$data = new Category($_POST);
$data = $data->getData();

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