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backInterface.py
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40 lines (37 loc) · 1.22 KB
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'''
Created on 2017年10月28日
@author: 15061188
'''
# -*- coding: utf-8 -*-
from backend.models import Resource, User
import os
import time
'''
根据资源ID，返回资源链接
ID不存在则返回"no match"
无副作用
'''
def getLinkById(_id):
try:
ans = Resource.objects.get(id=_id)
except:
return "找不到链接"
return ans.link
#相较于其他属性，id是最适合互异的，所以每个资源的id都要不一样
def addResource(_id, userId, courseId, resName="name", resPath="", resIntroduction=""):
if (os.path.exists(resPath) == False):
return "找不到文件！"
fsize = round(os.path.getsize(resPath)/float(1024*1024), 2)
curTime=time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
temp=Resource(id=_id, name=resName, link=resPath, introduce=resIntroduction, size=fsize, uploadTime=curTime, upload_user_id=userId, course_id=courseId)
temp.save()
return "添加成功！"
def checkUsernameAndPassword(_username, _password):
try:
ans = User.objects.get(username=_username)
except:
return "用户名不存在"
if (ans.password == _password):
return "登陆成功"
else:
return "账户名与密码不符"