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optimize the views

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This commit is contained in:
lzh
2020-08-05 20:29:56 +08:00
parent a3bd5cd4df
commit 8e9e67051b
4 changed files with 56 additions and 77 deletions
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StudentSystem-master/StudentSystem/studentManagement/models.py
+1 -1
View File
@@ -13,7 +13,7 @@ class CourseModel(models.Model):
# 学生信息表
class StudentInformationModel(models.Model):
stu_id = models.CharField(max_length=15, verbose_name='学生ID')
stu_id = models.AutoField(primary_key=True,verbose_name='学生id')
stu_name = models.CharField(max_length=30, verbose_name='学生姓名')
stu_phone = models.CharField(max_length=20, verbose_name='学生电话')
str_addr = models.TextField(verbose_name='学生地址')
StudentSystem-master/StudentSystem/studentManagement/views.py
+49 -72
View File
@@ -1,7 +1,8 @@
from django.shortcuts import render, HttpResponse, redirect, reverse
from .models import StudentModel, StudentInformationModel, CourseModel
from django.forms.models import model_to_dict
# Create your views here.
import json
# 主界面
def index(request):
context = {
@@ -19,10 +20,9 @@ def login(request):
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,
'id':student[0].stu_id,
'username': username,
'password': password
}
@@ -31,7 +31,7 @@ def login(request):
'msg': '已登录',
'lenght': 1
}
return render(request, 'studentManage/index.html', context)
return render(request, 'studentManage/index.html',context)
else:
context = {
@@ -50,16 +50,26 @@ def regist(request):
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'
student = StudentModel.objects.filter(username=username)
#注册验证错误信息汇总
error_message=""
if not all([username,password,verif_password]):
error_message+="注册信息不能为空;\n"
if student:
error_message+="该用户名已存在;\n"
if password!=verif_password:
error_message+="两次密码输入不一致;\n"
#如果存在注册信息则重定向到注册页面
if error_message:
context = {
"error": error_message
}
return render(request,'studentManage/regist.html',context)
#注册信息有效，注册成功
stu_data = StudentModel()
stu_data.username= username
stu_data.password=password
stu_data.save()
context = {
'sucess': '增加成功',
@@ -79,27 +89,21 @@ 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
root_id = StudentModel.objects.get(pk=id).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]):
if not all([stu_name]):
context = {
'msg': '学号或名字有遗漏',
'msg': '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.stu_phone = request.POST.get('stu_phone')
stu_data.str_addr = request.POST.get('str_addr')
stu_data.stu_faculty =request.POST.get('stu_faculty')
stu_data.stu_major = request.POST.get('stu_major')
stu_data.save()
context = {
'sucess': '增加成功',
@@ -118,24 +122,22 @@ def add(request):
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
if id=='':
id=request.session['user']['id']
print()
stu_data = StudentInformationModel.objects.get(pk=id)
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,
'stu_id': 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,
'course_data': dct,
'msg': True
}
@@ -152,7 +154,7 @@ def select(request):
# 删除
def delete(request):
if request.method == "POST":
id = request.POST.get('id')
id = int(request.POST.get('id'))
StudentInformationModel.objects.filter(stu_id=id).delete()
context = {
'msg': '成功删除'
@@ -172,46 +174,21 @@ 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,
'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,
}
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'
}
context['stu_id'] = request.POST.get('stu_id')
context['stu_name'] = request.POST.get('stu_name')
context['stu_phone'] = request.POST.get('stu_phone')
context['stu_addr'] = request.POST.get('stu_addr')
context['stu_faculty'] = request.POST.get('stu_faculty')
context['stu_major'] = request.POST.get('stu_major')
return render(request, 'studentManage/update.html', context)
else:
return render(request, 'studentManage/update.html', context)
StudentSystem-master/StudentSystem/templates/studentManage/add.html
+2 -2
View File
@@ -19,10 +19,10 @@
学生专业：<input type="text" name="stu_major"/><br>
<input class="bc" type="submit" value="保存"/>
{% if error %}
<h5>{{ error }}</h5><br>
<h5 style="color: red">{{ error }}</h5><br>
{% endif %}
{% if sucess %}
<h5>{{ sucess }}</h5><br>
<h5 style="color: greenyellow">{{ sucess }}</h5><br>
{% endif %}
</form>
</body>
StudentSystem-master/StudentSystem/templates/studentManage/index.html
+4 -2
View File
@@ -5,16 +5,18 @@
<title>Title</title>
</head>
<body>
<br>
{% if lenght %}
<a href="/student/logout/">退出</a><br>
<h1 style="color: blue">欢迎{{ status}},来到学生信息管理系统</h1><br>
<h3 style="color: green">请选择你要执行的功能</h3>
<a href="{% url 'student:add' %}">增加学生信息</a><br>
<a href="{% url 'student:select' %}">查询学生信息</a><br>
<a href="{% url 'student:delete' %}">删除学生信息</a><br>
<a href="{% url 'student:update' %}">修改学生信息</a><br>
<br>
<a href="/student/logout/">退出</a><br>
{% else %}
<h3 style="color: green">请选择操作</h3><br>
<a href="student/login/">登录</a><br>
<a href="student/regist/">注册</a><br>
{% endif %}