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import pymssql
import re
import pandas as pd
from pandas import Series,DataFrame
class MSSQL:
def __init__(self,host,user,pwd,db): #类的构造函数，初始化数据库连接ip或者域名，以及用户名，密码，要连接的数据库名称
self.host=host
self.user=user
self.pwd=pwd
self.db=db
def __GetConnect(self): #得到数据库连接信息函数， 返回: conn.cursor()
if not self.db:
print(NameError,"没有设置数据库信息")
self.conn=pymssql.connect(host=self.host,user=self.user,password=self.pwd,database=self.db,charset='utf8')
cur=self.conn.cursor() #将数据库连接信息，赋值给cur。
if not cur:
raise(NameError,"连接数据库失败")
else:
return cur
#执行查询语句,返回的是一个包含tuple的list，list的元素是记录行，tuple的元素是每行记录的字段
def ExecQuery(self,sql): #执行Sql语句函数，返回结果
cur = self.__GetConnect() #获得数据库连接信息
cur.execute(sql) #执行Sql语句
resList = cur.fetchall() #获得所有的查询结果
#查询完毕后必须关闭连接
self.conn.close() #返回查询结果
return resList
def ExecNonQuery(self,sql):
cur = self.__GetConnect()
cur.execute(sql)
self.conn.commit()
self.conn.close()
def main():
ms=MSSQL(host="127.0.0.1",user="sa",pwd="ncist123456",db="istudy_p03") #实例化类对象，连接数据对象
getdata =ms.ExecQuery("select * from TB_examescore")
myrow=len(getdata)
mycolomn=len(getdata[0])
print(myrow,mycolomn)
xx_select1=[]
xx_word10=[]
xx_word20 = []
xx_excel1=[]
xx_ppt1=[]
xx_windows1=[]
for i in range(0,myrow):
xx1=str(getdata[i][8])
xx_select1.append(re.findall(r"单项选择题，第\d+套，第\d+题\D+总分\D+\d+\D+得分\D+\d+",xx1))
xx_word10.append(re.findall(r"Word表格操作，第\d+套，第\d+题\D+总分\D+\d+\D+得分\D+\d+",xx1))
xx_word20.append(re.findall(r"Word编辑操作，第\d+套，第\d+题\D+总分\D+\d+\D+得分\D+\d+", xx1))
xx_excel1.append(re.findall(r"Excel题，第\d+套，第\d+题\D+总分\D+\d+\D+得分\D+\d+", xx1))
xx_ppt1.append(re.findall(r"PowerPoint题，第\d+套，第\d+题\D+总分\D+\d+\D+得分\D+\d+", xx1))
xx_windows1.append(re.findall(r"Windows题，第\d+套，第\d+题\D+总分\D+\d+\D+得分\D+\d+", xx1))
print(len(xx_select1),len(xx_select1[0]))
print(len(xx_word10), len(xx_word10[0]))
print(len(xx_word20), len(xx_word20[0]))
print(len(xx_excel1), len(xx_excel1[0]))
print(len(xx_ppt1), len(xx_ppt1[0]))
print(len(xx_windows1), len(xx_windows1[0]))
print("###################")
print(xx_excel1[100])
print("###################")
xx_select2=[]
xx_word12=[]
xx_word22=[]
xx_excel2=[]
xx_ppt2=[]
xx_windows2=[]
for yy in range(0,len(xx_select1)):
for kk in range(0,len(xx_select1[yy])):
pass
t1=re.findall(r"第\d+套",str(xx_select1[yy][kk]))[0]
t2=re.findall(r"第\d+题",str(xx_select1[yy][kk]))[0]
t3=re.findall(r"得分\D+\d+",str(xx_select1[yy][kk]))
t3=t3[0][-1]
#print(t1,t2,t3)
t0=[]
t0.append(t1)
t0.append(t2)
t0.append(int(t3))
#print(t0)
xx_select2.append(t0)
for yy in range(0,len(xx_word10)):
t1 = re.findall(r"第\d+套",str(xx_word10[yy]))
t2 = re.findall(r"第\d+题", str(xx_word10[yy]))
t3 = re.findall(r"得分\D+\d+", str(xx_word10[yy]))
if len(t1)!=0:
t1=t1[0]
t2=t2[0]
t3 = t3[0][-2:]
t3=int(t3)
t0 = []
t0.append(t1)
#t0.append(t2)
t0.append(t3)
xx_word12.append(t0)
else:
print(str(yy),t1,t2,t3)
##################################
for yy in range(0,len(xx_word20)):
t1 = re.findall(r"第\d+套",str(xx_word20[yy]))
t2 = re.findall(r"第\d+题", str(xx_word20[yy]))
t3 = re.findall(r"得分\D+\d+", str(xx_word20[yy]))
if len(t1)!=0:
t1=t1[0]
t2=t2[0]
t3 = t3[0][-2:]
t3=int(t3)
t0 = []
t0.append(t1)
#t0.append(t2)
t0.append(t3)
xx_word22.append(t0)
else:
print(str(yy),t1,t2,t3)
for yy in range(0,len(xx_excel1)):
t1 = re.findall(r"第\d+套",str(xx_excel1[yy]))
t2 = re.findall(r"第\d+题", str(xx_excel1[yy]))
t3 = re.findall(r"得分\D+\d+", str(xx_excel1[yy]))
if len(t1)!=0:
t1=t1[0]
t2=t2[0]
t3 = t3[0][-2:]
t3=int(t3)
t0 = []
t0.append(t1)
#t0.append(t2)
t0.append(t3)
xx_excel2.append(t0)
else:
print(str(yy), t1, t2, t3)
for yy in range(0,len(xx_ppt1)):
t1 = re.findall(r"第\d+套",str(xx_ppt1[yy]))
t2 = re.findall(r"第\d+题", str(xx_ppt1[yy]))
t3 = re.findall(r"得分\D+\d+", str(xx_ppt1[yy]))
if len(t1)!=0:
t1=t1[0]
t2=t2[0]
t3 = t3[0][-2:]
t3=int(t3)
t0 = []
t0.append(t1)
#t0.append(t2)
t0.append(t3)
xx_ppt2.append(t0)
else:
print(str(yy),t1,t2,t3)
for yy in range(0,len(xx_windows1)):
t1 = re.findall(r"第\d+套",str(xx_windows1[yy]))
t2 = re.findall(r"第\d+题", str(xx_windows1[yy]))
t3 = re.findall(r"得分\D+\d+", str(xx_windows1[yy]))
if len(t1)!=0:
t1=t1[0]
t2=t2[0]
t3 = t3[0][-2:]
t3=int(t3)
t0 = []
t0.append(t1)
#t0.append(t2)
t0.append(t3)
xx_windows2.append(t0)
else:
print(str(yy),t1,t2,t3)
print('###############################3')
print(xx_select2[100])
print(xx_word12[100])
print(xx_word22[100])
print(xx_excel2[100])
print(xx_ppt2[100])
print(xx_windows2[100])
############################
print("############pandas##########")
#print(xx_word12)
#########pandas#############################
yy0=[]
yy1=[]
yy2=[]
for i in range(0,len(xx_select2)):
yy0.append(xx_select2[i][0])
yy1.append(xx_select2[i][1])
yy2.append(int(xx_select2[i][2]))
xx2={'select':yy0,'select_num':yy1,'value':yy2}
mydata=DataFrame(xx2)
print(mydata)
print(mydata.groupby(['select','select_num']).mean())
main()