<?php
/**
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*/ use Illuminate\Database\Schema\Blueprint; use Illuminate\Database\Migrations\Migration; class Change171031Goods extends Migration { public function up() { Schema::table('goods', function (Blueprint $onV5E) { $onV5E->string('sn', 20)->nullable()->comment('物品编号')->after('updated_at'); $onV5E->unique('sn'); }); } public function down() { } }