利用模型工廠產生隨機題目

database/factories/TopicFactory.php

@@ -0,0 +1,22 @@
+<?php
+
+use Faker\Generator as Faker;
+
+$factory->define(App\Topic::class, function (Faker $faker) {
+    $items = [1, 2, 3, 4];
+    shuffle($items);
+
+    $random_date = $faker->dateTimeBetween('-3 days', '+3 days');
+    $num1        = rand(1, 99);
+    $num2        = rand(1, 99);
+    return [
+        'topic'           => $num1 . " + " . $num2,
+        'opt' . $items[0] => $num1 + $num2,
+        'opt' . $items[1] => $num1 . $num2,
+        'opt' . $items[2] => rand(1, 99),
+        'opt' . $items[3] => rand(1, 999),
+        'ans'             => $items[0],
+        'created_at'      => $random_date,
+        'updated_at'      => $random_date,
+    ];
+});