[ 48.008575] usb 4-3: >Device not responding to set address.[ 48.212421] usb 4-3: >device not accepting address 9, error -71
[ 48.324451] usb 4-3: >Device[ 48.528340] usb 4-3: >Device not responding to set address.[ 48.732165] usb 4-3</e
在django中,假设我有一家模型书店和一本有bookstore模型外键的模型书。在django管理上,我添加了大约10本书,在书店中,我想为这个书店分配多本书。我该怎么做?因为即使在foreignKey编辑书店的时候,我也只能选择一本书. name = models.CharField(max_length