add regist

2020-08-04 10:34:06 +08:00
parent 9ee2b35d5c
commit 78a498d7b7
1 changed files with 217 additions and 0 deletions
@@ -0,0 +1,217 @@
+from django.shortcuts import render, HttpResponse, redirect, reverse
+from .models import StudentModel, StudentInformationModel, CourseModel
+# Create your views here.
+
+# 主界面
+def index(request):
+    context = {
+        'status': '未登录状态'
+    }
+    return render(request, 'studentManage/index.html', context)
+
+# 登录界面
+def login(request):
+    if request.method == "POST":
+        username = request.POST.get('username')
+        password = request.POST.get('password')
+        if not all([username, password]):
+            return HttpResponse('错误！用户名或密码为空！')
+        else:
+            student = StudentModel.objects.filter(username=username, password=password)
+            if len(student):
+
+                # 将用户的信息存放到session中，session在中间件中是默认启用的
+                request.session['user'] = {
+                    'id': id,
+                    'username': username,
+                    'password': password
+                }
+                context = {
+                    'status': username,
+                    'msg': '已登录',
+                    'lenght': 1
+                }
+                return render(request, 'studentManage/index.html', context)
+
+            else:
+                context = {
+                    'msg': '用户名密码错误'
+                }
+                return render(request, 'studentManage/login.html', context)
+    else:
+        context = {
+            'status': '未登录状态',
+            'length': 0
+        }
+        return render(request, 'studentManage/login.html', context)
+#注册界面
+def regist(request):
+    if request.method == "POST":
+        username=request.POST.get("username")
+        password=request.POST.get("password")
+        verif_password=request.POST.get("verif_password")
+        if verif_password!=password:
+            context={
+                "error":'两次密码输入不一致'
+            }
+            return render(request,'studentManage/regist.html',context)
+
+        stu_data = StudentModel()
+        stu_data.username= username
+        stu_data.password=password
+
+        stu_data.save()
+        context = {
+            'sucess': '增加成功',
+        }
+        return render(request, 'studentManage/login.html', context)
+
+    else:
+        return render(request, 'studentManage/regist.html')
+# 退出界面
+def logout(request):
+    # 注销掉用户，从删除session中保存的信息
+    del request.session['user']
+    return render(request, 'studentManage/index.html')
+
+# 增加数据 增加只能root用户或者管理员才能操作
+def add(request):
+    if request.method == "POST":
+        root_information = request.session['user']
+        id = root_information['id']
+        root_id = StudentModel.objects.get(pk=1).stu_id
+        if id == root_id:
+            stu_id = request.POST.get('stu_id')
+            stu_name = request.POST.get('stu_name')
+            if not all([stu_id, stu_name]):
+                context = {
+                    'msg': '学号或名字有遗漏',
+                }
+                return render(request, 'studentManage/add.html', context)
+            stu_phone = request.POST.get('stu_phone')
+            stu_addr = request.POST.get('str_addr')
+            stu_faculty = request.POST.get('stu_faculty')
+            stu_major = request.POST.get('stu_major')
+
+            stu_data = StudentInformationModel()
+            stu_data.stu_id = stu_id
+            stu_data.stu_name = stu_name
+            stu_data.stu_phone = stu_phone
+            stu_data.str_addr = stu_addr
+            stu_data.stu_faculty = stu_faculty
+            stu_data.stu_major = stu_major
+            stu_data.save()
+            context = {
+                'sucess': '增加成功',
+            }
+            return render(request, 'studentManage/add.html', context)
+        else:
+            context = {
+                'error': '只用root用户和管理员才能操作'
+            }
+            return render(request, 'studentManage/add.html', context)
+    else:
+        return render(request, 'studentManage/add.html')
+
+
+# 查询
+def select(request):
+    if request.method == "POST":
+        id = request.POST.get('stu_id')
+        stu_data = StudentInformationModel.objects.get(stu_id=id)
+        stu_id = stu_data.stu_id
+        stu_name = stu_data.stu_name
+        stu_phone = stu_data.stu_phone
+        str_addr = stu_data.str_addr
+        stu_faculty = stu_data.stu_faculty
+        stu_major = stu_data.stu_major
+        stu_course = CourseModel.objects.filter(cour_id=id)
+        dct = {}
+        for stu in stu_course:
+            dct[stu.course] = stu.grade
+        context = {
+            'stu_id': stu_id,
+            'stu_name': stu_name,
+            'stu_phone': stu_phone,
+            'str_addr': str_addr,
+            'stu_faculty': stu_faculty,
+            'stu_major': stu_major,
+            'course_data': dct,
+            'msg': True
+        }
+        return render(request, 'studentManage/select.html', context)
+    else:
+        root_information = request.session['user']
+        id = root_information['id']
+        context = {
+            'msg': False,
+            'id': id
+        }
+        return render(request, 'studentManage/select.html', context)
+
+# 删除
+def delete(request):
+    if request.method == "POST":
+        id = request.POST.get('id')
+        StudentInformationModel.objects.filter(stu_id=id).delete()
+        context = {
+            'msg': '成功删除'
+        }
+        return render(request, 'studentManage/delete.html', context)
+    else:
+        root_information = request.session['user']
+        id = root_information['id']
+        context = {
+            'id': id
+        }
+        return render(request, 'studentManage/delete.html', context)
+
+
+# 修改
+def update(request):
+    user_information = request.session['user']
+    id = user_information['id']
+    stu_data = StudentInformationModel.objects.get(stu_id=id)
+    stu_id = stu_data.stu_id
+    stu_name = stu_data.stu_name
+    stu_phone = stu_data.stu_phone
+    stu_addr = stu_data.str_addr
+    stu_faculty = stu_data.stu_faculty
+    stu_major = stu_data.stu_major
+    context = {
+        'stu_id': stu_id,
+        'stu_name': stu_name,
+        'stu_phone': stu_phone,
+        'stu_addr': stu_addr,
+        'stu_faculty': stu_faculty,
+        'stu_major': stu_major,
+    }
+    if request.method == "POST":
+        stu_id = request.POST.get('stu_id')
+        stu_name = request.POST.get('stu_name')
+        stu_phone = request.POST.get('stu_phone')
+        stu_addr = request.POST.get('stu_addr')
+        stu_faculty = request.POST.get('stu_faculty')
+        stu_major = request.POST.get('stu_major')
+        # StudentInformationModel.objects.filter(stu_id=id).update(stu_id=stu_id, stu_name=stu_name, stu_phone=stu_phone, str_addr=stu_addr, stu_faculty=stu_faculty, stu_major=stu_major)
+        # 或者 以下这种，对单个数据进行修改
+        stu_data = StudentInformationModel.objects.get(stu_id=id)
+        stu_data.stu_id = stu_id
+        stu_data.stu_name = stu_name
+        stu_data.stu_phone = stu_phone
+        stu_data.stu_addr = stu_addr
+        stu_data.stu_faculty = stu_faculty
+        stu_data.stu_major = stu_major
+        stu_data.save()
+        context = {
+            'stu_id': stu_id,
+            'stu_name': stu_name,
+            'stu_phone': stu_phone,
+            'stu_addr': stu_addr,
+            'stu_faculty': stu_faculty,
+            'stu_major': stu_major,
+            'msg': '修改成功'
+        }
+        return render(request, 'studentManage/update.html', context)
+    else:
+        return render(request, 'studentManage/update.html', context)