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python编程入门教程_python怎么学

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python编程入门教程_python怎么学2024 年最新 Python 实战入门 编程新手小白必看 pycharm 注册码

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一、软件

  • （1）python-3.12.3-amd64.exe
  • （2）pycharm-community-2024.2.2.exe
  • （3）django==4.0.10
  • （4）pycharm选择适合自己电脑版本即可
    在这里插入图片描述

  • PyCharm激活馬：

KQ8KMJ77TY-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-QKJUeHFkc+NaPWlEFZFGpoBJBYjehR5cGPezKK9BKHVnVaydzLV4YSAnILt8mz9twXw9lIh0k/HivsPKrffP8F9gZkWA/rfjieSI0jziDr9WBARPzYKRlQHSw/iZn5VUn6zIR9U7uJC6Kd/jiaeLumn+dzL/ia9B/1dBUIg5WQlIOtld4xx2xR0gb4JCNBd4kQMV4SAC3Og13/APGkDiP7KzDz7T3DxmpSKvjAfG1Hg1jn2pt5B/3gmhOK5lmJKbGBDRW40f4sqyDpzXsA5DaPAAaFT07GSL5FlfdKfngGjcQdwQ18k1iFET6wSwWkk+p+OySDqegpFw3wx2Kzj+Ow==-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二、安装

1.安装Python
  • python-3.10.10-amd64.exe
2.如果Web开发，可以使用django（这只是其中一种框架），注意安装的django版本需要与对应的Python版本对应，我这里python-3.10.10对应的就是django==4.0.10
  • pip install django==4.0.10
3.初始化项目
  • ①先进入到自己的目录，比如cd D:\python
  • ②django-admin startproject bysms
这里要注意，如果你电脑上同时安装了2个版本的python，那请都卸载了重新安装你自己想要的Python，且重新用命令“pip install django==版本号”安装django。
不然他们可能会一直出现如下错误
C:\Users\Jungle>django-admin startproject bysms Fatal error in launcher: Unable to create process using "C:\Users\Jungle\AppData\Local\Programs\Python\Python313\python.exe" "C:\Users\Jungle\AppData\Local\Programs\Python\Python310\Scripts\django-admin.exe" startproject bysms': ???????????
  • 运行web命令如下(当然先进入到项目文件目录下面比如D:\python\bysms）：
python manage.py runserver 0.0.0.0:80
接着访问
http://127.0.0.0:80/
如果访问不了，比如可能是端口被占用了，那我们就修改端口，修改如下
可以通过修改manage.py进行修改，只需要加三行：
from django.core.management.commands.runserver import Command as Runserver Runserver.default_addr = '127.0.0.1' # 修改默认地址 Runserver.default_port = '8080' # 修改默认端口
如果想用其他ip，需要再在如下settings.py文件添加ip
ALLOWED_HOSTS = ['192.168.2.11']
在用命令行执行如下命令
python manage.py runserver 0.0.0.0:8087
再次访问地址
http://192.168.2.11:8087/ python manage.py startapp sales

三、写代码

  • 初始化页面
python manage.py startapp sales
  • 在views.py里面编写接口方法
from django.http import HttpResponse from select import select # Create your views here. def listorders(request): return HttpResponse("hello Djando!")
  • 再修改根目录下的urls.py，添加path(‘sales/orders’,listorders), sales/orders是我们自定义的路由路径，listorders是我们上面定义的方法
from django.contrib import admin from django.urls import path,include from sales.views import listorders urlpatterns = [path('admin/', admin.site.urls),path('sales/orders',listorders)]
访问http://192.168.2.11:8087/sales/orders/ 即可返回hello Djando!
但是，我们一般开发可能是分模块的，每个模块都需要在根目录下设置该模块的多个接口方法，就有点分工不对似的，根目录只需要知道模块名字，而具体方法由子模块来编写，所以我们改写如下
  • 根目录的views.py
from django.contrib import admin from django.urls import path,include from sales.views import listorders urlpatterns = [path('admin/', admin.site.urls),path('sales/',include('sales.urls'))]
  • sales目录下的views.py
from django.urls import path from sales.views import listorders,listorders2,listorders3,listorders5,listorders6 urlpatterns = [path('orders/',listorders), path('orders2/',listorders2),path('orders3/',listorders3),path('orders6/',listorders6)]

四、数据库操作

  • 安装pymysql
pip install pymysql
在sales目录下的views.py下面添加访问数据库的方法，主要是方法listorders5和6
from itertools import count from django.shortcuts import render from django.http import HttpResponse from pymysql import from select import select # Create your views here. def listorders(request): return HttpResponse("hello Djando!") def listorders2(request): return HttpResponse("hello Djando2!") def listorders3(request): return HttpResponse("hello Djando3!") # MySQL插入 def listorders5(request):conn = connect(host='127.0.0.1',user= 'root',password='root',port=3306,db='testdb', charset='utf8')cs1=conn.cursor() count=cs1.execute('INSERT INTO student(name) VALUES(1)')#  count2 = cs1.execute('select * from student') conn.commit()cs1.close()conn.close() return HttpResponse(count) # MySQL查询 def listorders6(request):conn = connect(host='127.0.0.1',user= 'root',password='root',port=3306,db='testdb',charset='utf8'`) cs1=conn.cursor() # count=cs1.execute('INSERT INTO student(name) VALUES(1)') count2 = cs1.execute('select * from student') conn.commit()cs1.close()conn.close() return HttpResponse(count2)
如果导入的from pymysql import * 显示红色波浪线，我们可以把鼠标放到红色波浪线上面根据pycharm的提示菜单安装插件即可
  • 我们再来访问
http://192.168.2.11:8087/sales/orders5/``http://192.168.2.11:8087/sales/orders6/

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在这里插入图片描述

  • 代码目录如下：在这里插入图片描述

图片

总结

  • 最后希望你编程学习上不急不躁,按照计划有条不紊推进,把任何一件事做到极致,都是不容易的,加油,努力！相信自己！

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