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Copy pathgrade.py
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184 lines (160 loc) · 7.11 KB
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#!/usr/bin/python
#-*-coding:utf-8-*-
from django.template import RequestContext
from django.http import HttpResponse,HttpResponseRedirect,Http404
from django.shortcuts import render_to_response
from django.contrib.auth.models import User
from engine.utils import get_datatables_records
from django.contrib.auth.decorators import login_required
from django.utils import simplejson
from django.db.models import Avg
from forms import ImportForm
from django.db.models import Q
from models import Grade,Student
from xlrd import open_workbook,cellname
from time import strftime,localtime
from django.utils.cache import add_never_cache_headers
import traceback
import settings
import os
@login_required
def importgrades(request):
username = request.user.username
if request.POST:
form = ImportForm(request.POST,request.FILES)
if form.is_valid():
try:
xlsfile = request.FILES.get('grades','')
filename = xlsfile.name
#创建文件存储的路径
fname = os.path.join(settings.MEDIA_ROOT,'uploads/grades/%s'%strftime("%Y/%m/%d",localtime()),filename)
if os.path.exists(fname):
os.remove(fname)
dirs = os.path.dirname(fname)
if not os.path.exists(dirs):
os.makedirs(dirs)
#写入文件
if os.path.isfile(fname):
os.remove(fname)
content = xlsfile.read()
fp = open(fname, 'wb')
fp.write(content)
fp.close()
#格式化xls文件中数据，将其存到数据库中
book = open_workbook(fname)
sheet = book.sheet_by_index(0)
for row_index in range(sheet.nrows):
record = sheet.row_values(row_index,0)
try:
student = Student.objects.get(user__username=str(record[1]).rstrip(".0"))
grade = Grade(term=record[0],student=student,score=record[2])
grade.save()
except Student.DoesNotExist,e:
traceback.print_stack()
traceback.print_exc()
print e
successinfo = "上传"
success = True
return render_to_response('grade/import.html',{
"title":'导入成绩单',
'form':form,
'successinfo':successinfo,
'success':success,
'username':username},context_instance = RequestContext(request))
except Exception,e:
traceback.print_stack()
traceback.print_exc()
print e
else:
return render_to_response('grade/import.html',{
"title":'导入成绩单',
'form':form,
'username':username},context_instance = RequestContext(request))
return render_to_response('grade/import.html',{
"title":'同学详细信息',
'studentid':username,
'username':username},context_instance = RequestContext(request))
@login_required
def index(request):
username = request.user.username
return render_to_response('grade/grades.html',{
"title":'同学成绩',
'username':username},context_instance = RequestContext(request))
@login_required
def classgrades(request):
username = request.user.username
return render_to_response('grade/classgrades.html',{
"title":'班级成绩',
'username':username},context_instance = RequestContext(request))
@login_required
def index(request):
username = request.user.username
return render_to_response('grade/grades.html',{
"title":'同学成绩',
'username':username},context_instance = RequestContext(request))
@login_required
def studentgrades(request):
#username
if int(request.GET.get("iSortCol_0")) == 2:
if request.GET.get("sSortDir_0") == 'desc':
grades = Grade.objects.all().order_by('-term','-student__user__username')
else:
grades = Grade.objects.all().order_by('-term','student__user__username')
elif int(request.GET.get("iSortCol_0")) == 4:
if request.GET.get("sSortDir_0") == 'desc':
grades = Grade.objects.all().order_by('-term','-score')
else:
grades = Grade.objects.all().order_by('-term','score')
else:
grades = Grade.objects.all().order_by('-term','student__user__username')
customSearch = request.GET.get('sSearch', '').rstrip().encode('utf-8');
if customSearch != '':
kwargzs = [
{"term__icontains" : customSearch},
{"student__realname__icontains":customSearch},
{"student__user__username__icontains":customSearch},
{"student__theclass__classid__icontains":customSearch},
]
outputQ = None
for kwargz in kwargzs:
outputQ = outputQ | Q(**kwargz) if outputQ else Q(**kwargz)
grades = grades.filter(outputQ)
cols = int(request.GET.get('iColumns',0)) #获取有多少列数据
iDisplayLength = min(int(request.GET.get('iDisplayLength',10)),100) #每页获取rows个数
startRecord = int(request.GET.get('iDisplayStart',0)) #本页第一条数据，是所有数据的第几个,从0开始
endRecord = startRecord + iDisplayLength
sEcho = int(request.GET.get('sEcho',0)) #页数
iTotalRecords = iTotalDisplayRecords = grades.count() #总共的rows数
grades = grades[startRecord:endRecord]
aaData = [[unicode(i.term),unicode(i.student.realname),unicode(i.student.user.username),unicode(i.student.theclass.classid),unicode(str(i.score)),] for i in grades]
response_dict = {}
response_dict.update({'aaData':aaData})
response_dict.update({
'sEcho': sEcho,
'iTotalRecords': iTotalRecords,
'iTotalDisplayRecords':iTotalDisplayRecords})
response = HttpResponse(simplejson.dumps(response_dict), mimetype='application/json')
#阻止缓存
add_never_cache_headers(response)
return response
@login_required
def ajaxclassgrades(request):
if request.is_ajax():
try:
xAxis = [i[0] for i in Grade.objects.values_list('term').distinct()]
classes = [i[0] for i in Grade.objects.values_list('student__theclass__classid').distinct()]
xAxis.reverse()
series = []
#round:控制小数点位数
for i in classes:
series.append({
'name':i,
'data':[round(Grade.objects.filter(student__theclass__classid=i).filter(term=j).aggregate(avgprice=Avg('score'))['avgprice'],2) for j in xAxis]
})
return HttpResponse(simplejson.dumps([xAxis,series]), mimetype='application/json')
except Exception,e:
response = 'false'
traceback.print_stack()
print e
return HttpResponse(simplejson.dumps([[],[]]), mimetype='application/json')
raise Http404