(基于python的毕业设计)棉花数据平台建设与可视化系统(django)(源码+说明+演示视频).zip

from django.shortcuts import render,redirect,HttpResponse from app import models import json,datetime,hashlib,uuid # Create your views here. from utils import call from utils import query from utils import user_page from django.db import connection import os from django.db.models import Q # '''初始化照片存放目录''' query.creat_path() def now_time(): n_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") return n_time def uid(): uid = str (uuid.uuid1()) suid = ''.join (uid.split ('-')) return suid def login(request): '''动态窗口''' if request.method == 'POST': dlfs = request.POST.get('key',None) if dlfs == 'login': data = call.dlfs_login(request) return HttpResponse(json.dumps(data)) else: return redirect ('/login.html') session_key=request.session.session_key request.session.delete(session_key) date = call.login_select() return render(request,'system/login.html',date) def index(request): if call.is_login (request): user_id = request.session['user_id'] data = query.index_data(user_id) count = user_page.dic_msg_num(user_id) data['count'] = count return render (request, 'system/index.html',data) else: return redirect ('/login.html') def home(request): if call.is_login(request): return render(request,'system/home.html') else: return redirect ('/login.html') def design(request): '''登陆窗口页面''' if call.is_login(request): re_url = request.path_info user_id = request.session['user_id'] if call.is_see_grant(request, re_url): date = call.design_login(re_url,user_id) return render(request, 'system/design.html', date) else: return render(request, 'system/403.html') else: return redirect ('/login.html') def design_submit(request): '''登陆窗口设置''' if call.is_login(request): re_url = request.POST.get('type', None) re_date = request.POST if call.is_see_grant(request, re_url): if request.method == 'POST': result = call.login_setting(request,re_date) return HttpResponse(json.dumps(result)) else: return HttpResponse(json.dumps(None)) else: return HttpResponse(json.dumps(False)) else: return redirect ('/login.html') def theme(request): '''桌面壁纸''' if call.is_login(request): re_url = request.path_info if call.is_grant(request, re_url): str_data = query.creat_theme(request,re_url) menu_str = query.menu_theme(request, re_url) return render(request,'system/theme.html',{'url_data': re_url,'data':str_data,'menu_str':menu_str}) else: return render(request,'system/403.html') else: return redirect ('/login.html') def theme_use(request): '''桌面壁纸生效''' if call.is_login(request) and request.method == 'POST': re_url = request.POST.get('type', None) if call.is_edit_grant(request, re_url): theme_id = request.POST models.SysTheme.objects.filter(id=theme_id['base']).update(state=1) models.SysTheme.objects.exclude(id=theme_id['base']).update(state=0) call.create_log(request, 'update', '修改了', '桌面壁纸') return HttpResponse(json.dumps(True)) else: return HttpResponse(json.dumps(False)) else: return redirect ('/login.html') def theme_detail(request): '''桌面背景预览''' if call.is_login(request): re_url = request.GET.get('type', None) user_id = request.session['user_id'] if call.is_see_grant(request, re_url): date = call.theme_setting(request,re_url, user_id) return render(request, 'system/theme_detail.html',date) else: return render(request, 'system/403.html') else: return redirect ('/login.html') def theme_upload(request): '''桌面壁纸上传接口''' if call.is_login(request): re_url = request.POST.get('type', None) if call.is_edit_grant(request, re_url): if call.upload_theme(request): return HttpResponse(json.dumps(True)) else: return HttpResponse(json.dumps(False)) else: return HttpResponse(json.dumps(False)) else: return redirect ('/login.html') def theme_delete(request): '''删除背景图片''' if call.is_login(request) and request.method == 'POST': re_url = request.POST.get('type', None) if call.is_delete_grant(request, re_url): theme_id = request.POST image_path = models.SysTheme.objects.filter(id=theme_id['base']) for path in image_path.values('full_path'): if os.path.exists(path['full_path']): os.remove(path['full_path']) models.SysTheme.objects.filter(id=theme_id['base']).delete() call.create_log(request, 'delete', '删除了', '一张桌面壁纸') return HttpResponse(json.dumps(True)) else: return HttpResponse(json.dumps(False)) else: return redirect ('/login.html') def information(request): '''个人资料页面''' if call.is_login(request): return render(request,'system/information.html') else: return redirect ('/login.html') def information_data(request): if call.is_login(request): base = [] user_id = request.session['user_id'] info_data=user_page.dic_msg(user_id) for info in info_data.values('id','content','user_id','state','type'): if info['state'] == 1: info['state'] = '已读' else: info['state'] = '未读' base.append(info) data = {'code': 0, 'page_num': 1, 'bg_hs': 10, 'count': 0, 'data':base} return HttpResponse(json.dumps(data)) else: return redirect ('/login.html') def information_del(request): if call.is_login(request): data = request.POST try: models.SysInformation.objects.filter(id=data['ID']).delete() return HttpResponse(json.dumps(True)) except: return HttpResponse(json.dumps(False)) else: return redirect ('/login.html') def information_update(request): if call.is_login(request): up_id = request.POST if up_id['state'] == '未读': models.SysInformation.objects.filter(id=up_id['ID']).update(state=1) return HttpResponse(json.dumps(True)) else: return HttpResponse(json.dumps(False)) else: return redirect ('/login.html') def role(request): if call.is_login (request): re_url = request.path_info if call.is_grant(request,re_url): sfkbj = call.see_grant(request, re_url) return render (request, 'system/role.html',{'url_data': re_url,'anzs':sfkbj}) else: return render(request,'system/403.html') else: return redirect ('/login.html') def role_insert(request): if call.is_login (request): if request.method == 'POST': re_url = request.POST.get('type', None) if call.is_edit_grant(request, re_url): temp = request.POST models.SysRole.objects.create (id=call.uid(),caption = temp['base[name]'],abbreviation = temp['base[level]'],remark = temp['base[remark]'],pxh = temp['base[pxh]']) call.create_log(request,'create','创建角色',temp['base[name]']