string('mileage')->nullable()->comment('里程'); $table->bigInteger('amount')->nullable()->comment('件数'); $table->string('inquire_tel')->nullable()->comment('查件电话'); }); foreach ($this->authNames as $name){ if(!Authority::where('name',$name)->first())(new Authority(['name'=>$name,'alias_name'=>$name]))->save(); } } /** * Reverse the migrations. * * @return void */ public function down() { Schema::table('waybills',function (Blueprint $table){ $table->dropColumn('mileage'); $table->dropColumn('amount'); $table->dropColumn('inquire_tel'); }); foreach ($this->authNames as $name){ Authority::where('name',$name)->delete(); } } }