Django (项目)
一. 相亲小项目
用户登录 如果男用户登录,显示女生列表
如果女用户登录,显示男生列表
from django.shortcuts import render,HttpResponse,redirect from app01 import models def login(request): if request.method == "GET": return render(request,"login.html") else: username = request.POST.get("username") password = request.POST.get("password") gender = request.POST.get("gender") if gender == "1": obj = models.Boy.objects.filter(username=username,password=password).first() else: obj = models.Girl.objects.filter(username=username,password=password).first() if not obj: #未登录 return render(request,"login.html",{"msg":"用户名或密码错误"}) else: request.session["user_info"] = {"user_id":obj.id,"gender":gender,"username":username,"nickname":obj.nickname} return redirect("/index.html") def logout(request): if request.session.get("user_info"): request.session.clear() return redirect("/login.html")
from django.shortcuts import render,HttpResponse,redirect from app01 import models def index(request): if not request.session.get("user_info"): return redirect("/login.html") else: gender = request.session.get("user_info").get("gender") if gender == "1": user_list = models.Girl.objects.all() else: user_list = models.Boy.objects.all() return render(request,"index.html",{"user_list":user_list}) def others(request): current_user_id = request.session.get("user_info").get("user_id") gender = request.session.get("user_info").get("gender") if gender == "1": user_list = models.B2G.objects.filter(b_id=current_user_id).values("g__nickname") else: user_list = models.B2G.objects.filter(g_id=current_user_id).values("b__nickname") return render(request,"other.html",{"user_list":user_list}) def test(request): # models.Boy.objects.create(nickname="方少伟",username="fsw",password="123") # models.Boy.objects.create(nickname="陈涛",username="ct",password="123") # models.Boy.objects.create(nickname="egon",username="egon",password="123") # # models.Girl.objects.create(nickname="lili", username="lili", password="123") # models.Girl.objects.create(nickname="jim", username="jim", password="123") # models.Girl.objects.create(nickname="xiaojie", username="xiaojie", password="123") # models.B2G.objects.create(b_id=1,g_id=1) # models.B2G.objects.create(b_id=1,g_id=2) # models.B2G.objects.create(b_id=1,g_id=3) # models.B2G.objects.create(b_id=2,g_id=1) # models.B2G.objects.create(b_id=3,g_id=1) # models.B2G.objects.create(b_id=4,g_id=1) return HttpResponse("...")
from django.db import models # Create your models here. class Boy(models.Model): nickname = models.CharField(max_length=32) username = models.CharField(max_length=32) password = models.CharField(max_length=64) class Girl(models.Model): nickname = models.CharField(max_length=32) username = models.CharField(max_length=32) password = models.CharField(max_length=64) class B2G(models.Model): b = models.ForeignKey(to="Boy",to_field="id") g = models.ForeignKey(to="Girl",to_field="id")
urlpatterns = [ url(r'^admin/', admin.site.urls), url(r'^test.html$', love.test), url(r'^login.html$', account.login), url(r'^logout.html$', account.logout), url(r'^index.html$', love.index), url(r'^others.html$', love.others), ]
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <form action="/login.html" method="POST"> {% csrf_token %} <p>用户:<input type="text" name="username"></p> <p>密码:<input type="password" name="password"></p> <p> 性别: 男<input type="radio" name="gender" value="1"> 女<input type="radio" name="gender" value="2"> </p> <input type="submit" value="提交">{{ msg }} </form> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> {% include "user_head.html" %} <h3>异性列表</h3> <a href="/others.html">查看和我有关系的异性</a> <ul> {% for row in user_list %} <li>{{ row.nickname }}</li> {% endfor %} </ul> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> {% include "user_head.html" %} <h3>有关系的异性列表</h3> <ul> {% for row in user_list %} {% if row.g__nickname %} <li>{{ row.g__nickname }}</li> {% else %} <li>{{ row.b__nickname }}</li> {% endif %} {% endfor %} </ul> </body> </html>
<h3>当前用户: {{ request.session.user_info.nickname }}</h3> <a href="/logout.html">注销</a>
二. 学生管理系统
