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GPA.py
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# -*- coding: GBK -*-
import sys
import urllib
import urllib2
import cookielib
import re
import string
import types
class SDU_Spider:
def login(self):
self.zjh = raw_input("学号：")
self.mm = raw_input("密码：")
# 申明相关的属性
def __init__(self):
self.zjh = ''
self.mm = ''
self.login();
self.loginUrl = 'http://202.207.247.44:8063/loginAction.do' # 登录的url
self.resultUrl = 'http://202.207.247.44:8063/gradeLnAllAction.do?type=ln&oper=fainfo&fajhh=1374' # 显示成绩的url
self.cookieJar = cookielib.CookieJar() # 初始化一个CookieJar来处理Cookie的信息
self.postdata=urllib.urlencode({'zjh':self.zjh,'mm':self.mm}) # POST的数据
print self.postdata
print '\n'
f.write(self.postdata + '\n\n')
self.cno = []
self.cseq = []
self.cname = []
self.cename = []
self.credit = []
self.cprop = []
self.grade = []
self.reason = []
self.opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(self.cookieJar))
self.gp = []
self.GPA = 0.0
def sdu_init(self):
# 初始化链接并且获取cookie
myRequest = urllib2.Request(url = self.loginUrl,data = self.postdata) # 自定义一个请求
response = self.opener.open(myRequest) # 访问登录页面，获取到必须的cookie的值
response = self.opener.open(self.resultUrl) # 访问成绩页面，获得成绩的数据
# 打印返回的内容
#print response.read()
self.deal_data(response.read())
#self.print_data()
self.print_datatofile()
self.cal_GP()
self.cal_GPA()
print u'各门成绩绩点:'
print self.gp
print u'GPA:'
print self.GPA
f.write(u'GPA:' + str(self.GPA) + '\n')
# 将内容从页面代码中抠出来
def deal_data(self,myPage):
myItems = re.findall('<tr class="odd.*?<td[^>]*>([^<]*)</td>.*?<td[^>]*>([^<]*)</td>.*?<td[^>]*>([^<]*)</td>.*?<td[^>]*>([^<]*)</td>.*?<td[^>]*>([^<]*)</td>.*?<td[^>]*>([^<]*)</td>.*?<p[^>]*>([^<]*) </P>.*?<p[^>]*>([^<]*) </P>',myPage,re.S) #获取到学分
#print myItems
for item in myItems:
self.cno.append(item[0].strip())
self.cseq.append(item[1].strip())
self.cname.append(item[2].strip())
self.cename.append(item[3].strip())
self.credit.append(item[4].strip())
self.cprop.append(item[5].strip())
self.grade.append(item[6].strip())
self.reason.append(item[7].strip())
# 输出各门成绩
def print_data(self):
for i in range(len(self.cno)):
print self.cno[i]
print self.cseq[i]
print self.cname[i]
print self.cename[i]
print self.credit[i]
print self.cprop[i]
print self.grade[i]
print self.reason[i]
def print_datatofile(self):
for i in range(len(self.cno)):
f.write(self.cno[i] + '\n')
f.write(self.cseq[i] + '\n')
f.write(self.cname[i] + '\n')
f.write(self.cename[i] + '\n')
f.write(self.credit[i] + '\n')
f.write(self.cprop[i] + '\n')
f.write(self.grade[i] + '\n')
f.write(self.reason[i] + '\n')
def cal_GPA(self):
# 学分绩点 = 绩点 × 学分
# 平均学分绩点 = Σ学分绩点 / Σ学分
self.cal_GP()
sum_xfjd = 0.0
sum_credit = 0.0
for i in range(len(self.cno)):
sum_xfjd += string.atof(self.gp[i]) * string.atof(self.credit[i])
sum_credit += string.atof(self.credit[i])
self.GPA = sum_xfjd / sum_credit
def cal_GP(self):
for i in range(len(self.cno)):
#print self.grade[i]
try:
if unicode(self.grade[i]).isdecimal:
#print u'-----'
grade = string.atof(self.grade[i])
if (grade >= 95) & (grade <= 100):
self.gp.append(5)
elif (grade >= 90) & (grade < 95):
self.gp.append(4.5)
elif (grade >= 85) & (grade < 90):
self.gp.append(4)
elif (grade >= 80) & (grade < 85):
self.gp.append(3.5)
elif (grade >= 75) & (grade < 80):
self.gp.append(3)
elif (grade >= 70) & (grade < 75):
self.gp.append(2.5)
elif (grade >= 65) & (grade < 70):
self.gp.append(2)
elif (grade >= 60) & (grade < 65):
self.gp.append(1.5)
elif (grade < 60):
self.gp.append(0)
except:
#print u'--'
grade = self.grade[i]
if grade == '优秀':
self.gp.append(4.5)
elif grade == '良好':
self.gp.append(3.5)
elif grade == '中等':
self.gp.append(2.5)
elif grade == '及格':
self.gp.append(1.5)
elif grade == '不及格':
self.gp.append(0)
#调用
f = file('GPA.txt','w')
mySpider = SDU_Spider()
mySpider.sdu_init()
f.close()
raw_input("\n详细信息已输出至GPA.txt\n按任意键退出")