暂存

2026-05-01 23:40:14 +08:00
commit b8f599a617
3867 changed files with 478663 additions and 0 deletions
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+<?php
+
+namespace Illuminate\Database\Eloquent\Concerns;
+
+trait HasUniqueIds
+{
+    /**
+     * Indicates if the model uses unique IDs.
+     *
+     * @var bool
+     */
+    public $usesUniqueIds = false;
+
+    /**
+     * Determine if the model uses unique IDs.
+     *
+     * @return bool
+     */
+    public function usesUniqueIds()
+    {
+        return $this->usesUniqueIds;
+    }
+
+    /**
+     * Generate unique keys for the model.
+     *
+     * @return void
+     */
+    public function setUniqueIds()
+    {
+        foreach ($this->uniqueIds() as $column) {
+            if (empty($this->{$column})) {
+                $this->{$column} = $this->newUniqueId();
+            }
+        }
+    }
+
+    /**
+     * Generate a new key for the model.
+     *
+     * @return string
+     */
+    public function newUniqueId()
+    {
+        return null;
+    }
+
+    /**
+     * Get the columns that should receive a unique identifier.
+     *
+     * @return array
+     */
+    public function uniqueIds()
+    {
+        return [];
+    }
+}