ORM版，單表查詢
阿新 • • 發佈：2018-01-21
req val oct 文件 tle eth set one count 
mysql
建學生表及課程表
添加內容
view.py
from django.shortcuts import render,HttpResponse,redirect from . import models # Create your views here. # 關於課程 # 查所有的課程 def class_list(request): class_list = models.Class.objects.all() return render(request,"class_list.html",{"class_list":class_list})邏輯處理# 刪除操作 def delete_class(request): # 先取到想要刪除的id class_id = request.GET.get(‘class_id‘) print(class_id) models.Class.objects.filter(id=class_id).delete() return redirect("/class_list/") # 添加操作 def add_class(request): if request.method == "POST": class_name = request.POST.get("cname") models.Class.objects.filter().create(cname=class_name) return redirect("/class_list/") return render(request,"add_class.html") # 編輯操作 def edit_class(request): if request.method == "POST": id = request.POST.get("id") new_cname = request.POST.get("cname") models.Class.objects.filter(id=id).update(cname = new_cname,) return redirect("/class_list") class_id = request.GET.get("class_id") print(class_id) ret = models.Class.objects.filter(id=class_id) return render(request,"edit_class.html",{"class_info":ret[0]}) # 展示學生信息 def student_list(request): student_list = models.Student.objects.all() return render(request,"student_list.html",{"student_list":student_list}) # 刪除學生信息 def delete_student(request): # 拿到到刪除的ID student_id = request.GET.get(‘student_id‘) models.Student.objects.filter(id=student_id).delete() return redirect("/student_list") # 添加學生信息 def add_student(request): if request.method == "POST": student_name = request.POST.get("sname") print(student_name) models.Student.objects.filter().create(sname=student_name) return redirect("/student_list/") return render(request,"add_student.html") # 編輯學生信息 def edit_student(request): if request.method == "POST": student_id = request.POST.get("id") new_sname = request.POST.get("sname") models.Student.objects.filter(id=student_id).update(sname=new_sname) return redirect("/student_list/") # 獲取需要修改的id student_id = request.GET.get("student_id") ret = models.Student.objects.filter(id=student_id) return render(request,"edit_student.html",{"student_info":ret[0]})
HTML文件
--------------------- <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>添加課程頁面</title> </head> <body> {#{% csrf_token %} {# 跨站請求偽造保護 #} <form action="/add_class/" method="post"> <label for="i1">新課程名稱</label> <div> <input id="i1" type="text" name="cname"> <button type="submit">提交</button> <button><a href="/class_list/" type="submit">取消</a></button> </div> </form> </body> </html>H添加課程頁面
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>課堂列表</title> </head> <body> <button type="submit"><a href="/add_class/">添加</a></button> {# {% csrf_token %}#} <form action="class_list.html" METHOD="post"> {# 跨站請求偽造保護 #} <table border="1px"> <thead> <tr> <th>#</th> <th>班級ID</th> <th>班級名稱</th> <th>操作</th> </tr> </thead> <tbody> {% for class in class_list %} <tr> <td>{{ forloop.counter }}</td> <td>{{ class.id }}</td> <td>{{ class.cname }}</td> <td> <button><a href="/edit_class/?class_id={{ class.id }}"> 編輯 </a></button> <button><a href="/delete_class/?class_id={{ class.id }}"> 刪除 </a></button> </td> </tr> {% endfor %} </tbody> </table> </form> </body> </html>課堂列表
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>編輯課程信息</title> </head> <body> {#{% csrf_token %}#} <form action="/edit_class/" method="post"> <h1>編輯課程信息</h1> <label for="i1"></label><input id="i1" type="text" name="id" value="{{ class_info.id }}" style="display: none"> <label for="i1"></label><input id="i1" type="text" name="cname" value="{{ class_info.cname }}"> <div> <button type="submit">提交</button> <a href="/class_list/"><button type="submit">取消</button></a></div> </form> </body> </html>編輯課程信息
ORM版，單表查詢