python - 如何在 Python 中导入外部类并从中创建对象？

Question

我用 Google 搜索了一下，但似乎找不到一个明确的例子来说明这一点。我为 Job 类创建了一个名为 job.py 的文件。

class Job(object):
    title = ""
    pay = ""
    description = ""

    def __init__(self, title, pay, description):
        self.title = title
        self.pay = pay
        self.description = description

    def getNoobiness(self):
        return self.title

但是当我在同一目录的测试文件中尝试这个时:

import job

job = Job("Fun Job", "7 elephants", "You will have much fun")

我收到这个错误:

Traceback (most recent call last):
  File "test.py", line 3, in <module>
    job = Job("Fun Job", "7 elephants", "You will have much fun")
NameError: name 'Job' is not defined

Answer 1

您需要从文件中导入类:

from job import Job

或者，如果您想保留当前的导入，请执行此操作:

job.Job(...)