public function up()
    {
        // 员工信息表 staff_users
        Schema::create('staff_users', function (Blueprint $table) {
            $table->increments('id');
            $table->char('name','10');
            $table->tinyInteger('age','3');
            $table->char('sex');
            $table->string('address');
            $table->integer('bank_card','16');
            $table->string('bank_belongs');
            $table->string('transfer');
            $table->integer('contact');
            $table->string('can','100');
            $table->integer('create_at','11');
            $table->integer('end_at','11');
            $table->primary('id');
        });
    }

public function up()
    {
        // 员工工资结算规则表 staff_salarys
        Schema::create('staff_salarys', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('user_id');
            $table->char('name','20');
            $table->float('salary_base');
            $table->float('salary_final');
            $table->tinyInteger('counts_leave');
            $table->float('money_leave');
            $table->tinyInteger('counts_overtime');
            $table->float('money_overtime');
            $table->integer('create_at','11');
            $table->integer('end_at','11');
            $table->primary('id');
             $table->foreign('user_id')->references('id')->on('staff_users');
        });
    }



    public function up()
    {
        // 加班记录表 overtime
        Schema::create('overtime', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('user_id');
            $table->char('name','20');
            $table->integer('create_at','11');
            $table->integer('end_at','11');
            $table->float('money_overtime');
            $table->primary('id');
             $table->foreign('user_id')->references('id')->on('staff_users');
        });
    }
php artisan make:migration create_staff_users_table
    public function up()
    {
        // 请假记录表 leave
        Schema::create('leave', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('user_id');
            $table->char('name','20');
            $table->float('money_leave');
            $table->integer('create_at','11');
            $table->integer('end_at','11');
            $table->primary('id');
             $table->foreign('user_id')->references('id')->on('staff_users');
        });
    }