Dragonboard 410c搭載web服務(wù)器之用戶交互系統(tǒng)
一.前言
本系列文章的前幾篇，博主已經(jīng)給大家分享過(guò)如何在Django框架下構(gòu)建web用戶登陸注冊(cè)系統(tǒng)和實(shí)時(shí)視頻分享的功能，今天，我們將其整合一下，并添加頁(yè)面構(gòu)成一套web用戶的交互系統(tǒng)。
二.代碼分析1.代碼架構(gòu)
圖1 代碼架構(gòu)
2.主代碼分享
online/view.py
#coding=utf-8 from django.shortcuts import render,render_to_response from django.http import HttpResponse,HttpResponseRedirect from django.template import RequestContext from django import forms from online.models import MyUser from online.models import Message from online.models import SystemStatus from django.contrib.auth import authenTIcate, login from django.uTIls import TImezone import os import json import encodings #表單 ? class UserForm(forms.Form): username = forms.CharField(label='用戶名',max_length=100) password = forms.CharField(label='密碼',widget=forms.PasswordInput()) ? #def getuser(forms): # return forms.username # password1 = forms.CharField(label='重復(fù)密碼',widget=forms.TexTInput()) # loginaddr="http://127.0.0.1:8000/online/login/" # registaddr=http://127.0.0.1:8000/online/regist/ ? #注冊(cè) def regist(req): if req.method == 'POST': uf = UserForm(req.POST) if uf.is_valid(): #獲得表單數(shù)據(jù) username = uf.cleaned_data['username'] password = uf.cleaned_data['password'] password1 = req.POST['password1'] #比較數(shù)據(jù)庫(kù)中是否已有用戶 #user = myUser.objects.all().filter(username = username) #print(user) if MyUser.objects.filter(username =username).exists(): return render_to_response('registfaild.html',{'uf':uf}, context_instance=RequestContext(req)) else: if password1==password: user=MyUser.objects.create(username= username,password=password)#添加用戶進(jìn)數(shù)據(jù)庫(kù) # profile=UserProfile()#e************************ # profile.user_id=user.id # profile.phone=phone # profile.save() # user = MyUser.objects.create_user(username=username,password=password) print(user.is_staff) #True #user.set_password(password) user.save() print(user.id) #user.userID=user.id #user.save() #print(user.userID) #user_sum=MyUser.objects.all().values('username').count() #user.userID=user_sum #print(user.userID) #user.save() response = HttpResponseRedirect('/online/registsuccee/') return response else: return render_to_response('registfaild1.html',{'uf':uf}, context_instance=RequestContext(req)) else: uf = UserForm() return render_to_response('regist.html',{'uf':uf}, context_instance=RequestContext(req)) ? ? def createSystemstatus():#創(chuàng)建系統(tǒng)狀態(tài)信息 #SystemStatus.objects.filter().delete() SystemRecord=SystemStatus.objects.filter().count()#返回所有狀態(tài)信息對(duì)象 print('SystemRecord = ',SystemRecord) if SystemRecord == 0:#系統(tǒng)狀態(tài)信息只創(chuàng)建一個(gè)，如已創(chuàng)建，則不再創(chuàng)建 print('create systemstatus') systemstatus=SystemStatus() systemstatus.statusName="peopleInfront" systemstatus.statusValue=-1 systemstatus.statusParam=0 systemstatus.statusDiscirption="no people in front" systemstatus.save() print('statusName = ',systemstatus.statusName) print('statusDiscirption = ',systemstatus.statusDiscirption) else: print(' systemstatus had credted') ? #登陸 def loginin(req): # getAllUser(req) createSystemstatus()#創(chuàng)建全服務(wù)器唯一的系統(tǒng)狀態(tài)對(duì)象 user_firstflag=True #初始化接收用戶選擇標(biāo)志位 print(timezone.localtime(timezone.now()).strftime("%Y-%m-%d %H:%M:%S")) #獲取本機(jī)IP #myname = socket.getfqdn(socket.gethostname( )) #獲取本機(jī)ip #myaddr = socket.gethostbyname(myname) #print('myname is ',myname,'myaddr = ',myaddr) if req.method == 'POST': uf = UserForm(req.POST) if uf.is_valid(): #獲取表單用戶密碼 username = uf.cleaned_data['username'] password = uf.cleaned_data['password'] ? #獲取的表單數(shù)據(jù)與數(shù)據(jù)庫(kù)進(jìn)行比較 user = MyUser.objects.filter(username__exact = username,password__exact = password) #user = authenticate(username=username, password=password) if user: #比較成功，跳轉(zhuǎn)index response = HttpResponseRedirect('/online/index/') #good="xiaoms" #將username寫(xiě)入瀏覽器cookie,失效時(shí)間為3600 response.set_cookie('username',username,3600) response.set_cookie('user_firstflag',user_firstflag,3600)#成功登陸后，第一次的用戶是未選擇接收者 return response else: #比較失敗，跳轉(zhuǎn)loginfaild return render_to_response('loginfaild.html',{'uf':uf},context_instance=RequestContext(req)) else: uf = UserForm() return render_to_response('login.html',{'uf':uf},context_instance=RequestContext(req)) ? ? #def loginfaild(req): # response = login(req) # return response # def registsuccee(req): if req.method == 'POST': uf = UserForm(req.POST) if uf.is_valid(): #獲取表單用戶密碼 username = uf.cleaned_data['username'] password = uf.cleaned_data['password'] #獲取的表單數(shù)據(jù)與數(shù)據(jù)庫(kù)進(jìn)行比較 user = MyUser.objects.filter(username__exact = username,password__exact = password) if user: #比較成功，跳轉(zhuǎn)index response = HttpResponseRedirect('/online/index/') #將username寫(xiě)入瀏覽器cookie,失效時(shí)間為3600 response.set_cookie('username',username,3600) return response else: #比較失敗，跳轉(zhuǎn)loginfaild return render_to_response('loginfaild.html',{'uf':uf},context_instance=RequestContext(req)) else: uf = UserForm() #return render_to_response('registfaild.html',{'uf':uf},context_instance=RequestContext(req)) return render_to_response('registsuccee.html',{'uf':uf},context_instance=RequestContext(req)) # #def registfaild(req): # response = regist(req) # return response # #def registfaild1(req): # response = regist(req) # return response ? def jsonclient(req):#獲取json對(duì)象 try: print("start json POST") req = json.loads((req.body).decode()) print("get json succee") return req except: import sys info = "%s || %s" % (sys.exc_info()[0], sys.exc_info()[1]) print(info) ? ? def datasave(request):#解板json對(duì)象并保存 info = 'Data log save success' try: if request.method == 'POST': print("start json POST") req = json.loads((request.body).decode()) user = req['user'] infoType = req['infoType'] name = req['name'] print(name) print(infoType) print(user) except: import sys info = "%s || %s" % (sys.exc_info()[0], sys.exc_info()[1]) print(info) ? dict['message']=info return HttpResponse(json) ? def getOtherUser(req,name): userlogin=MyUser.objects.filter(username__exact=name)#檢索當(dāng)前登陸用戶 print(userlogin) print(userlogin.id) user_list=MyUser.objects.all().values('username','id').exclude(id__in=userlogin.id) # user_sum=MyUser.objects.all().values('username').count() print(user_list) # print(user_sum) return user_list ? def getAllUser(req):#獲取已注冊(cè)過(guò)的所有用戶 user_list=MyUser.objects.all().values('username','id').order_by('id') user_sum=MyUser.objects.all().values('username').count() print(user_list) print(user_sum) return user_list ? #登陸成功 def index(req): username = req.COOKIES.get('username','') user_list=getAllUser(req)#檢索所有擁有username和id的用戶對(duì)象 ? i=0 for list in user_list: name=list.get('username').encode() user_list[i].update({'username':name}) i=i+1 ? print('user_list == ',user_list) #good=req.COOKIES.get('good','') #print('good = ',good) #user_list=getOtherUser(req,username)#檢索當(dāng)前登陸用戶以外的所有用戶 ? #user_first=user_list[0].username user_first=username #暫時(shí)以登錄人自己為默認(rèn)接收人 #user_sum=MyUser.objects.all().values('username').count()#統(tǒng)計(jì)注冊(cè)的用戶數(shù) #print(user_sum) #datasave(req) key_input=0 if req.method == 'POST': print('index.username first= ',username) ? json=jsonclient(req)#獲取json對(duì)象 if json is not None:#判斷是選擇用戶還是選擇輸入方式 user_ower = json['ownerID']#獲取owerID print('json is not none user_ower = ',user_ower) #message=Message()#當(dāng)選擇消息接收者時(shí)創(chuàng)建消息對(duì)象 response = render_to_response('login_user.html' ,{'user_list':user_list,'username':username,'user_first':user_first},context_instance=RequestContext(req)) response.set_cookie('ownerID',user_ower,3600) return response ? ? else: ownerID = req.COOKIES.get('ownerID','')#獲取接收者ID print('the message ownerID is',ownerID) if ownerID:#如果有選擇，則用選擇者 user_ower=ownerID else:#否則默認(rèn)推送給發(fā)送者自己 Uower=MyUser.objects.get(username__exact=username) user_ower=Uower.id ? # message=Message.objects.get(id=messid) #user_ower=message.ownerID message=Message()#創(chuàng)建消息，注意就算第一次未選擇消息接收者，也應(yīng)該創(chuàng)建默認(rèn)消息對(duì)象，默認(rèn)接收ID為發(fā)送者自身 infoType_c=req.POST['submit']#提交信息的方式獲取 infoType=int(infoType_c) print('index:infotType=',infoType) key_user=user_ower key_input=infoType print('key_user=',key_user) print('key_input=',key_input) user_push=MyUser.objects.get(username__exact=username) print('username=',username) print('user_push=',user_push) message.infoType=infoType#推送消息的類型 message.pushID=user_push.id#推送者ID message.ownerID= key_user#接收者的ID message.pushTim=timezone.localtime(timezone.now()).strftime("%Y-%m-%d %H:%M:%S") message.isTop = 0 #置頂標(biāo)志默認(rèn)1 message.viewWeight = 1#閱讀等級(jí)默認(rèn)1 message.save() print('message.id=',message.id) messid=message.id print('messid=',messid) ? #由于post 的bug這里用html5前端來(lái)保存我們的messid if key_input == 0: print('please input text') response = HttpResponseRedirect('/online/text/') #將username寫(xiě)入瀏覽器cookie,失效時(shí)間為3600 response.set_cookie('username',username,3600) response.set_cookie('messid',messid,3600) ? print('index:messid=',messid) return response elif key_input == 1: print('please input video') response = HttpResponseRedirect('/online/video/') #將username寫(xiě)入瀏覽器cookie,失效時(shí)間為3600 response.set_cookie('username',username,3600) response.set_cookie('messid',messid,3600) ? return response else: response = render_to_response('login_user.html' ,{'user_list':user_list,'username':username,'user_first':user_first,'messid':messid},context_instance=RequestContext(req)) print('error ~! just donot in this page') response.set_cookie('messid',messid,3600) ? return response #return render_to_response('loginsuccee.html' ,{'user_list':json.dumps(user_list),'username':username,'user_first':user_first,'messid':messid},context_instance=RequestContext(req)) else: return render_to_response('login_user.html' ,{'user_list': user_list,'user_first':user_first,'username':username},context_instance=RequestContext(req)) ? #退出 def logout(req): response = HttpResponse('logout !!') #清理cookie里保存username response.delete_cookie('username') response.delete_cookie('messid') return response #response = HttpResponse('logout !!') #清理cookie里保存username # response.delete_cookie('username') # return response ? ? ? def text(req):#輸入文本處理 username = req.COOKIES.get('username','') messid= req.COOKIES.get('messid','') print('text:username=',username) print('text:messid=',messid) ? if req.method == 'POST': # json=jsonclient(req)#獲取json對(duì)象 # messid1 = json['messid']#獲取owerID # print(messid1) ? text = req.POST['text_input'] #if text is not None: user=MyUser.objects.get(username__exact=username) print('user.id=',user.id) print('messid=',messid) #userID=user.id message=Message.objects.get(id=messid) message.infoContent=text print(username) print('message.ownerID = ',message.ownerID) print('message.pushID =',message.pushID) print(message.infoContent) #message.pushTim=timezone.localtime(timezone.now()).strftime("%Y-%m-%d %H:%M:%S") message.save() response = HttpResponseRedirect('/online/show/') #將username寫(xiě)入瀏覽器cookie,失效時(shí)間為3600 response.set_cookie('username',username,3600) return response # else: # return render_to_response('textfailed.html') # print(dir(MyUser)) ? return render_to_response('text1.html',context_instance=RequestContext(req)) ? ? def video(req):#輸入視頻處理 username = req.COOKIES.get('username','') messid= req.COOKIES.get('messid','') print('video:username=',username) print('video:messid=',messid) if req.method == 'POST': f = req.FILES.get('video') if f is not None: baseDir = os.path.dirname(os.path.abspath(__name__)) dir = os.path.join(baseDir,'static','save') filedir=os.path.join(dir,f.name) print('filedir = ',filedir) timename=timezone.localtime(timezone.now()).strftime("%Y%m%d%H%M%S") #filename = os.path.join(dir,f.name) fname=os.path.splitext(f.name) fsuffix=fname[1] print('fsuffix =',fsuffix) filename = os.path.join(dir,timename+fsuffix)#用當(dāng)?shù)貢r(shí)間編號(hào)代替手機(jī)發(fā)過(guò)來(lái)的任意文章名，以免重疊 print('filename =',filename) fobj = open(filename,'wb') for chrunk in f.chunks(): fobj.write(chrunk) fobj.close() message=Message.objects.get(id=messid) message.filePath=filename message.save() response = HttpResponseRedirect('/online/show/') #將username寫(xiě)入瀏覽器cookie,失效時(shí)間為3600 response.set_cookie('username',username,3600) return response else: return render_to_response('camera_reinput.html') ? else: return render_to_response('camera.html') ? ? ? def show(req): username = req.COOKIES.get('username','') messid = req.COOKIES.get('messid','') message=Message.objects.get(id=messid) print('message.infoContent',message.infoContent) return render_to_response('save.html',{'text':text,'username':username,'message.infoContent':message.infoContent}) ? ? ? def delete(): MyUser.objects.filter().delete() ? ?online/models.py
#coding:utf8 from django.db import models from django.contrib.auth.models import ( BaseUserManager, AbstractBaseUser, PermissionsMixin) ? ? class MyUserManager(BaseUserManager): # def _create_user(self, username, email, password, **extra_fields): def _create_user(self, username, password, **extra_fields): """ Creates and saves a User with the given username, email and password. """ if not username: raise ValueError('The given username must be set') # email = self.normalize_email(email) # user = self.model(username=username, email=email, **extra_fields) user = self.model(username=username, **extra_fields) user.set_password(password) user.save(using=self._db) return user ? # def create_user(self, username, email, password, **extra_fields): def create_user(self, username, password, **extra_fields): extra_fields.setdefault('is_staff', False) extra_fields.setdefault('email',"") extra_fields.setdefault('phone',"") extra_fields.setdefault('haarValue',"") extra_fields.setdefault('avatarImg',"") # extra_fields.setdefault('text',"") # extra_fields.setdefault('video',"") # extra_fields.setdefault('time',"") return self._create_user(username, password, **extra_fields) # return self._create_user(username, email, password, **extra_fields) # def create_superuser(self, username, email, password, **extra_fields): def create_superuser(self, username, password, **extra_fields): extra_fields.setdefault('is_staff', True) ? if extra_fields.get('is_staff') is not True: raise ValueError('Superuser must have is_staff=True') #拓展user數(shù)據(jù) by xiao #get #to #message_flag #text #video #time # extra_fields.setdefault('got',username) # extra_fields.setdefault('to',username) # extra_fields.setdefault('message_flag',"1") # extra_fields.setdefault('text',"") # extra_fields.setdefault('video',"") # extra_fields.setdefault('time',"") ? return self._create_user(username, password, **extra_fields) # return self._create_user(username, email, password, **extra_fields) ? ? class MyUser(AbstractBaseUser, PermissionsMixin): username = models.CharField(max_length=254, unique=True, db_index=True) email = models.CharField(max_length=254) phone = models.CharField(max_length=254) haarValue = models.CharField(max_length=254) avatarImg = models.CharField(max_length=254) ? #email = models.EmailField('email address', max_length=254) #text=models.CharField(max_length=254, unique=True, db_index=True) is_staff = models.BooleanField('staff status', default=False) ? # userID = models.IntegerField(default=1) #用戶獨(dú)有的ID ? # is_active = models.BooleanField('active', default=True) # got = models.CharField(max_length=254,default=username) # to = models.CharField(max_length=254,default=username) # message_flag = models.CharField(max_length=254, default=1) # text = models.CharField(max_length=254, default="") # video = models.CharField(max_length=254,default="") # time = models.CharField(max_length=254,default="") ? ? USERNAME_FIELD = 'username' # REQUIRED_FIELDS = ['email'] ? objects = MyUserManager() ? class Meta: db_table = 'myuser' ? ? # def get_full_name(self): # return self.username ? # def get_short_name(self): # return self.username #建立推送消息的模型 ? ? class Message(models.Model): # username = models.CharField(max_length=254) #消息推送者的名字 ownerID = models.IntegerField(default=1) pushID = models.IntegerField(default=1) infoType = models.IntegerField(default=0) infoSubject = models.CharField(max_length=254) infoContent = models.CharField(max_length=254) filePath = models.CharField(max_length=1000) pushTim = models.CharField(max_length=254) infoValidityTime = models.CharField(max_length=254) isTop = models.IntegerField(default=0) viewWeight = models.IntegerField(default=1) def __unicode__(self): # 在Python3中使用 def __str__(self) return self.name ? class SystemStatus(models.Model): #實(shí)例化對(duì)象：online_message MMDB.updateSystemStatus('peopleInfront',-1,0,'no people in front') statusName = models.CharField(max_length=30,default="peopleInfront") statusValue = models.IntegerField(default=-1) statusParam = models.IntegerField(default=0) statusDiscirption = models.CharField(max_length=50,default="no people in front") ? def __unicode__(self): # 在Python3中使用 def __str__(self) return self.name 三.演示效果圖圖2 注冊(cè)頁(yè)面
圖3 視頻上傳頁(yè)面
圖4 消息選擇頁(yè)面
圖5 上傳成功頁(yè)面
四.例程分享：http://pan.baidu.com/share/link？shareid=3536829173&uk=1812979481
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