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文章目錄

??前言??
??正文??

??1.`settings.py`??
??2.`urls.py`??
??3.`putMessage.py`??

??實(shí)現(xiàn)的效果??

??下載??

前言

也是一個(gè)??django???/??pywebio??的項(xiàng)目。

D:.
│  putMessage.py
│
└─server
    │  Data
    │  db.sqlite3
    │  manage.py
    │
    └─server
        │  asgi.py
        │  settings.py
        │  urls.py
        │  wsgi.py
        │  __init__.py
        │
        └─__pycache__
                settings.cpython-36.pyc
                urls.cpython-36.pyc
                wsgi.cpython-36.pyc
                __init__.cpython-36.pyc

實(shí)現(xiàn)了個(gè)什么效果？在線答題并統(tǒng)計(jì)答題結(jié)果。

正文

這個(gè)東西比我的那個(gè)登錄驗(yàn)證模板要簡(jiǎn)單一些。但是，這個(gè)項(xiàng)目也有一個(gè)有趣的東西。我們來看看吧。。

創(chuàng)建項(xiàng)目的命令：

django-admin startproject

1.?`?settings.py?`?

也是添加那一項(xiàng)??ALLOWED_HOSTS??? 的元素??*??，這里不再贅述。

2.?`?urls.py?`?

主要的服務(wù)器程序。

from django.shortcuts import HttpResponse
from django.urls import path
from json import dumps

avg = 0     # 記錄平均分
humen = 0   # 記錄人數(shù)
names = []  # 記錄答題人名字
avgtime = 0 # 記錄平均時(shí)間

def readAs(request): # 讀取和寫入
    global humen,avg,names,avgtime
    reads,data,temp = [],[],[]
    with open('Data','r',encoding='utf-8') as f:
        reads = f.read().splitlines()
    # 添加請(qǐng)求來的數(shù)據(jù)
    text = '%s的成績(jī)是%s，%s' % (request.GET['name'],request.GET['score'],request.GET['time'])
    reads.append(text)
    for i in range(0,len(reads)):
        temp = reads[i].split('的成績(jī)是')
        # 分割字符串、儲(chǔ)存字典
        t = reads[i].split('，')
        data.append({'name':temp[0],'score':float(temp[1].split('，')[0]),'time':int(t[1])})
    del temp,reads
    # 儲(chǔ)存數(shù)據(jù)
    humen = len(data)
    for i in range(0,humen):
        avg += data[i]['score']
    avg /= humen
    for i in range(0,humen):
        print(data[i]['name'])
        names.append(data[i]['name'])
    for i in range(0,len(data)):
        avgtime += data[i]['time']
    avgtime /= humen 
    # 重新寫入
    with open('Data','a',encoding='utf-8') as f:
        f.write(text + '
')
    return HttpResponse(dumps({'humen':str(humen),'avg':str(int(avg)),'time':str(int(avgtime))}))

def main(request):
    return HttpResponse('<p><b>當(dāng)前答題情況：</b></p><font face="Courier New" color="green"><b><p>答題人數(shù)：%d</p><p>答題平均分：%d</p><p>平均用時(shí)：%s秒</p><p><a href="/answer" title="答題列表">答題列表</a></p></b></font>' % (humen,avg,avgtime))

def answerList(request): # 答題名單
    string = ''
    for i in range(0,len(names)):
        string += '%s
' % names[i]
    return HttpResponse(string)

urlpatterns = [
    path('read/',readAs),
    path('',main),
    path('answer/',answerList)
]

3.?`?putMessage.py?`?

客戶端，發(fā)送請(qǐng)求用的。

from pywebio.input import *
from pywebio.output import *
from requests import get
from random import randint
from time import time

url = 'http://127.0.0.1:8000/' # 默認(rèn)IP
operate,answer = [],[]
right = 0 # 正答
n = 5 # 五道題
tempSco = 100 / n # 一道題的分?jǐn)?shù)

# 如果不能整除
if 100 % n:
    n = 5
    tempSco = 20 

# 隨機(jī)生成運(yùn)算題
for i in range(0,n):
    a,b,c = randint(1,9),randint(1,9),0
    if a < b: 
        c = b
        b = a
        a = c
    del c
    operate.append('%d%s%d' % (a,['+','-','*'][randint(0,2)],b))

# 計(jì)算答案
for i in range(0,len(operate)):
    answer.append(eval(operate[i]))

# 顯示
put_markdown('請(qǐng)你認(rèn)真答題！')
name = input('請(qǐng)輸入你的名字：')
if ('的成績(jī)是' in name) or ('，' in name):
     put_markdown('你的名字中含有非法字符，請(qǐng)修改。')
     exit()
last = time() # 計(jì)時(shí)開始
for i in range(0,len(operate)):
    ua = input('請(qǐng)回答：%s=?' % operate[i])
    if ua == str(answer[i]):
        right += 1
current = time() # 計(jì)時(shí)結(jié)束
right *= tempSco # 計(jì)算正確率

# 發(fā)送請(qǐng)求
x = int(current-last)
params = {
          'name':name,
          'score':right,
          'time':x,
          }
res = get(url + 'read/',params=params).json()
put_markdown('已經(jīng)有%s人提交，平均分是：%s，平均用時(shí)：%s
你的分?jǐn)?shù)：%f，你的用時(shí)：%d' % (res['humen'],res['avg'],res['time'],int(right),x))