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[英]AttributeError: 'str' object has no attribute 'datetime': Python
[英]Python AttributeError 'str' object has no attribute '_sID'
我在python ecplise中遇到错误,但没有找到解决问题的解决方案。
类:
class Student:
'''
This class is used to store data about the students
It contains:
sID - id of student
sName - name of student
'''
def __init__(self, sID, sName):
'''
Initialized the student
'''
self._sID = sID
self._sName = sName
def getID(self):
'''
Return student id
'''
return self._sID
def setID(self, ID):
self._sID = ID
def setName(self, name):
self._sName = name
def getName(self):
'''
Return student name
'''
return self._sName
def __str__(self):
'''
Converts the student into printable text
'''
msg ='ID: ' + str(self._sID) + ', Name: ' + self._sName
return msg
def __eq__(self, s):
'''
Checks if two students have the same ID and name
'''
return self._sID == s._sID and self._sName == s._sName
以下是具有属性的erorr:
Traceback (most recent call last):
File "C:\Users\crist\workspace\lab5_7\appStart.py", line 16, in <module>
ui.mainMenu()
File "C:\Users\crist\workspace\lab5_7\UI\ui.py", line 80, in mainMenu
self._searchElementMenu(cmd[1])
File "C:\Users\crist\workspace\lab5_7\UI\ui.py", line 57, in _searchElementMenu
self._controller.searchElement(cType, cSearch)
File "C:\Users\crist\workspace\lab5_7\controller\controller.py", line 27, in searchElement
if isinstance(lst[i], Student) == True and lst[i] == eSearch:
File "C:\Users\crist\workspace\lab5_7\domain\student.py", line 55, in __eq__
return self._sID == s._sID and self._sName == s._sName
AttributeError: 'str' object has no attribute '_sID'
有人能帮我吗?
如果有必要,我可以给您更多代码。
sID是每个学生的唯一ID,我需要此功能来验证是否有更多学生具有相同的ID。
非常感谢 !
您正在尝试将=
运算符与Student
实例和字符串一起使用。
该错误表明字符串实例不具有_sID
变量,例如:
"test"._sID
我有同样的问题-在PythonWin中设置环境时会得到相同的错误消息。 我没有做任何更改,但是重新启动了PythonWin,它又照常工作了。
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