laravel 查询构造器

//查询构造器
public function addstudent()
{
    $bool = DB::table('student')->insert([
        ['name' => '王五', 'age' => 17, 'gender' => 1],
        ['name' => '王五2', 'age' => 17, 'gender' => 1]
    ]);
    var_dump($bool);

    //获取插入的数据的id
    $student_id = DB::table('student')->insertGetId(
        ['name' => '赵六', 'age' => 19, 'gender' => 2]
    );
    var_dump($student_id);
}