*

app01/migrations/0001_initial.py

@@ -1,5 +1,3 @@
-# Generated by Django 3.2.13 on 2022-06-13 12:20
-
 from django.db import migrations, models
 import django.db.models.deletion
 

app01/templates/course_manage.html

@@ -5,7 +5,7 @@
         <div class="panel panel-default">
             <div class="panel-heading">
                 <form action="#" class="form-inline">
-                    <input type="text" class="form-control" name="key" id="key" placeholder="按姓名查找">
+                    <input type="text" class="form-control" name="key" id="key" placeholder="按课程查找">
                     <input type="submit" class="btn btn-default" value="搜索">
                 </form>
             </div>

app01/views.py

@@ -13,22 +13,19 @@ def login(request):
         return render(request, 'login.html', )
 
     if request.method == 'POST':
-        # 获取form表单参数
         role = request.POST.get('role')
         username = request.POST.get('username')
         pwd = request.POST.get('pwd')
-        # 验证身份，用户名，密码
-        if role == '0':  # 如果身份是学生
-            # 从学生表中查询是否有匹配结果
+
+        if role == '0': # 如果身份是学生
             result = models.StuInfo.objects.filter(username=username, password=pwd)
-            # 如果用户存在的话
+
             if result.exists():
-                # 重定向到学生主页，把学生ID sid 传到前台页面
                 return redirect('student_index', sid=result.first().id)
             else:
                 return HttpResponse('failed')
-        elif role == '1':
             
+        elif role == '1': # 如果身份是管理员
             result = models.AdminInfo.objects.filter(username=username, password=pwd)
             if result.exists():
                 return redirect('/manage/homepage/')
@@ -182,7 +179,7 @@ def student_index(request, sid):
         student_id = request.POST.get('sid')
         course_obj = models.CourseInfo.objects.get(pk=course_id)
         student_obj = models.StuInfo.objects.get(pk=student_id)
-        # 添加学生选课信息
+        # 添加选课信息
         student_obj.course.add(course_obj)
         return HttpResponse('success')