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Django學習筆記010-學生管理系統(Django實現)

Django學習筆記-學生管理系統(Django實現)筆記中僅實現了對資料的全部查詢。

下面實現新增、刪除、修改,程式碼如下。

下面的程式碼沒有對輸入框內容進行限制,如果輸入不符合規則的內容,會出現錯誤。

本篇更新完畢後Django更新暫停一段,由於工作崗位是測試工程師,後面將重點關注測試相關內容。

 

views.py

from django.shortcuts import render,reverse
from stusys import models
from django.http import HttpResponseRedirect

def stuinfo(request):
    stuinfo_list_obj = models.Stuinfo.objects.all()
    return render(request,'info.html',{'stuinfo_list':stuinfo_list_obj})
def add_stuinfo(request):
    if request.method == "POST":
        id = request.POST['id']
        name = request.POST['name']
        math = request.POST['math']
        chinese=request.POST['chinese']
        english=request.POST['english']
        total=float(math)+float(chinese)+float(english)
        models.Stuinfo.objects.create(id=id,name=name,math=math,chinese=chinese,english=english,total=total)
        return HttpResponseRedirect(reverse('stuinfo'))
    elif request.method == "GET":
        return render(request,'add.html')

def del_stuinfo(request):
    id=request.GET.get('id')
    models.Stuinfo.objects.filter(id=id).delete()
    return  HttpResponseRedirect(reverse('stuinfo'))

def mod_stuinfo(request):
    if request.method=='GET':
        id = request.GET.get('id')
        stu_detail =models.Stuinfo.objects.get(id=id)
        context={'stu_detail':stu_detail}
        return render(request,'mod.html',context=context)
    if request.method=="POST":
        id = request.POST['id']
        name = request.POST['name']
        math = request.POST['math']
        chinese=request.POST['chinese']
        english=request.POST['english']
        total=float(math)+float(chinese)+float(english)
        models.Stuinfo.objects.filter(id=id).update(name=name,math=math,chinese=chinese,english=english,total=total)
        return HttpResponseRedirect(reverse('stuinfo'))

urls.py

from django.contrib import admin
from django.urls import path
from stusys import views
urlpatterns = [
    path('admin/', admin.site.urls),
    path('',views.stuinfo,name='stuinfo'),
    path('add/',views.add_stuinfo,name='add_stuinfo'),
    path('del/',views.del_stuinfo,name='del_stuinfo'),
    path('mod/',views.mod_stuinfo,name='mod_stuinfo')
]

templates

base.html

{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>學生成績管理系統</title>
    <link rel="stylesheet" href="{% static 'nav.css' %}">
    <link rel="stylesheet" href="{% static 'table.css' %}">
</head>
<body>

    <ul class="nav">
                <li><a href="{% url 'stuinfo' %} ">首頁</a></li>
                <li><a href="{% url 'add_stuinfo' %} ">新增</a></li>
    </ul>
    <div style="padding:20px;margin-top:30px;background-color:#1abc9c;height:1500px;">
        {% block content %} {% endblock %}
    </div>

</body>
</html>

add.html

{% extends 'base.html' %}
{% block content %}
    <div>
        <form action ="{% url 'add_stuinfo' %}" method="post">
        {% csrf_token %}
            <table class="table" style="border-style:none;width: 50%"  >
                <tr>
                    <td style="border-style:none" >學    號:</td>
                    <td style="border-style:none"><input name="id"></td>
                </tr>
                <tr>
                    <td style="border-style:none">姓    名:</td>
                    <td style="border-style:none"><input name="name"></td>
                </tr>
                <tr>
                    <td style="border-style:none">數學成績:</td>
                    <td style="border-style:none"><input name="math"></td>
                </tr>
                <tr>
                    <td style="border-style:none">語文成績:</td>
                    <td style="border-style:none"><input name="chinese"></td>
                </tr>
                <tr>
                    <td style="border-style:none">英語成績:</td>
                    <td style="border-style:none"><input name="english"></td>
                </tr>
                <tr>
                    <td colspan="2" style="border-style:none" ><input type="submit" value="新增" style="width:100px;height:40px;"></td>
                </tr>
            </table>
        </form>
    </div>

{% endblock %}

info.html

{% extends 'base.html' %}
{% block content %}
    <table class="table" >
    <thead>
       <tr >
           <td >學號</td>
           <td >姓名</td>
           <td >數學</td>
           <td >語文</td>
           <td >英文</td>
           <td >總分</td>
           <td colspan="2">    </td>
       </tr>
    </thead>
         <tbody>
            {% for stuinfo in stuinfo_list %}
                <tr >
                    <td >{{ stuinfo.id }}</td>
                    <td >{{ stuinfo.name }}</td>
                    <td >{{ stuinfo.math}}</td>
                    <td >{{ stuinfo.chinese }}</td>
                    <td >{{ stuinfo.english }}</td>
                    <td >{{ stuinfo.total }}</td>
                    <td ><a href="{% url 'del_stuinfo' %}?id={{ stuinfo.id}}">刪除</a></td>
                    <td ><a href="{% url 'mod_stuinfo' %}?id={{ stuinfo.id}}">修改</a></td>
                </tr>
            {% endfor %}
         </tbody>
    </table>
{% endblock %}

mod.html

{% extends 'base.html' %}
{% block content %}
{#        <form action ="{% url 'mod_stuinfo' %}" method="post">#}
{#        {% csrf_token %}#}
{#            #}
{#        <p>學    號:<input name="id" type="text" value="{{ stu_detail.id}}" readonly="readonly" ></p>#}
{#        <p>姓    名:<input name="name" type="text" value="{{ stu_detail.name}}"></p>#}
{#        <p>數學成績:<input name="math" type="text" value="{{ stu_detail.math}}"></p>#}
{#        <p>語文成績:<input name="chinese" type="text" value="{{ stu_detail.chinese}}"></p>#}
{#        <p>英語成績:<input name="english" type="text" value="{{ stu_detail.english}}"></p>#}
{#        <p><input type="submit" value="修改"></p>#}
{#        </form>#}
        <form action ="{% url 'mod_stuinfo' %}" method="post">
        {% csrf_token %}
            <table class="table" style="border-style:none;width: 50%"  >
                <tr>
                    <td style="border-style:none" >學    號:</td>
                    <td style="border-style:none"><input name="id" type="text" value="{{ stu_detail.id}}" readonly="readonly" disabled="disabled"></td>
                </tr>
                <tr>
                    <td style="border-style:none">姓    名:</td>
                    <td style="border-style:none"><input name="name" type="text" value="{{ stu_detail.name}}"></td>
                </tr>
                <tr>
                    <td style="border-style:none">數學成績:</td>
                    <td style="border-style:none"><input name="math" type="text" value="{{ stu_detail.math}}"></td>
                </tr>
                <tr>
                    <td style="border-style:none">語文成績:</td>
                    <td style="border-style:none"><input name="chinese" type="text" value="{{ stu_detail.chinese}}"></td>
                </tr>
                <tr>
                    <td style="border-style:none">英語成績:</td>
                    <td style="border-style:none"><input name="english" type="text" value="{{ stu_detail.english}}"></td>
                </tr>
                <tr>
                    <td colspan="2" style="border-style:none" ><input type="submit" value="修改" style="width:100px;height:40px;"></td>
                </tr>
            </table>
        </form>
{% endblock %}

靜態資原始檔:

nav.css

*{
    margin: 0;
    padding: 0;
}

.nav{
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
    position: fixed;
    top: 0;
    width: 100%;
}

.nav li{
    float: left;
}

.nav li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.nav li a:hover:not(.active) {
    background-color: #111;
}

.active {
    background-color: #4CAF50;
}

table.css


.table{
    margin-top:50px;width:100% ;border:solid #add9c0; border-width:1px 0px 0px 1px;}

.table tr td {
    border:solid #add9c0; border-width:0px 1px 1px 0px; padding:10px 0px;font-size:18px;align:center;}

.table tr td input{
    width: 250px; height: 30px;font-size:18px
}

實現效果如下: