Django Model

class Zhuban(models.Model):
    modelnum= models.CharField(max_length=50,  verbose_name='CPU')
    brand= models.CharField(max_length=50, verbose_name='CPU级别')
    chipset=models.CharField(max_length=50, verbose_name='接口')
    interface=models.CharField(max_length=50, verbose_name='核心数')
    type=models.CharField(max_length=50, verbose_name='线程数')
    caonum=models.CharField(max_length=50, verbose_name='睿频频率')
    supportfrequency=models.CharField(max_length=50, verbose_name='基础频率')
    m2disk=models.CharField(max_length=50, verbose_name='未锁频')
    platetype= models.CharField(max_length=50, verbose_name='核显')
    supplyelectricity= models.CharField(max_length=50, verbose_name='电源预留功耗（W）')
    wifinetworkcard=models.CharField(max_length=50, verbose_name='价格')
    colour=models.CharField(max_length=50, verbose_name='价格')
    price = models.CharField(max_length=50, verbose_name='价格')
    budgetkeys = models.CharField(max_length=50, verbose_name='价格')
    requirekeys = models.CharField(max_length=50, verbose_name='价格')
    link = models.URLField(verbose_name='链接')
用了什么函数