"尝试在 django 模型中返回 id 和字段值时出现“解码到 str：需要一个类似字节的对象，找到 int”的错误"

Question

型号 #1<\/strong>

class Add_Job(models.Model):
    
    job_name=models.CharField(max_length=254)
    client=models.ForeignKey(Client,on_delete=CASCADE,related_name='client')
    #client=models.ManyToManyField(Client)
    project=models.ForeignKey(Project,on_delete=CASCADE,related_name='project')
    #project=models.ManyToManyField(Project)
    user=models.ForeignKey(Users,on_delete=CASCADE)
    Hours=models.TimeField(null=True)
    start_Date = models.DateTimeField(max_length=10)
    end_Date=models.DateTimeField(max_length=10)
    
    def __str__(self):
        return str(self.id, self.job_name)