from flask import render_template<\/p>\n@app.route('\/user\/<username>')<\/p>\n
def show_user_profile(username):<\/p>\n
return render_template('profile.html', username=username)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728templates\/profile.html<\/code>\u4e2d\uff1a<\/p>\n<\/p>\n<!doctype html><\/p>\n<html><\/p>\n
<head><title>User Profile<\/title><\/head><\/p>\n
<body><\/p>\n
<h1>Hello, {{ username }}!<\/h1><\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528Django\u6846\u67b6\u6784\u5efaWeb\u5e94\u7528<\/p>\n<\/p>\n
Django\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684Web\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u5e94\u7528\u5f00\u53d1\u5de5\u5177\uff0c\u5305\u62ecORM\u3001\u6a21\u677f\u3001\u8868\u5355\u3001\u8ba4\u8bc1\u7b49\u3002\u9002\u5408\u6784\u5efa\u590d\u6742\u7684\u5927\u578b\u5e94\u7528\u3002<\/p>\n<\/p>\n
\n- \u5b89\u88c5\u548c\u521b\u5efaDjango\u9879\u76ee<\/strong><\/li>\n<\/ol>\n
\u9996\u5148\uff0c\u9700\u8981\u5b89\u88c5Django\uff0c\u53ef\u4ee5\u901a\u8fc7pip\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n
pip install django<\/p>\n<\/code><\/pre>\n<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528Django\u547d\u4ee4\u884c\u5de5\u5177\u521b\u5efa\u4e00\u4e2a\u65b0\u9879\u76ee\uff1a<\/p>\n<\/p>\n
django-admin startproject myproject<\/p>\n<\/code><\/pre>\n<\/p>\n
\u8fdb\u5165\u9879\u76ee\u76ee\u5f55\u540e\uff0c\u53ef\u4ee5\u542f\u52a8\u5f00\u53d1\u670d\u52a1\u5668\uff1a<\/p>\n<\/p>\n
python manage.py runserver<\/p>\n<\/code><\/pre>\n<\/p>\n
\n- \u521b\u5efa\u5e94\u7528\u548c\u5b9a\u4e49\u89c6\u56fe<\/strong><\/li>\n<\/ol>\n
\u5728Django\u4e2d\uff0c\u5e94\u7528\u662f\u4e00\u4e2a\u529f\u80fd\u6a21\u5757\uff0c\u53ef\u4ee5\u5305\u542b\u6a21\u578b\u3001\u89c6\u56fe\u3001\u6a21\u677f\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u65b0\u5e94\u7528\uff1a<\/p>\n<\/p>\n
python manage.py startapp myapp<\/p>\n<\/code><\/pre>\n<\/p>\n
\u5728myapp\/views.py<\/code>\u4e2d\u5b9a\u4e49\u89c6\u56fe\u51fd\u6570\uff1a<\/p>\n<\/p>\nfrom django.http import HttpResponse<\/p>\ndef home(request):<\/p>\n
return HttpResponse("Hello, Django!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u914d\u7f6eURL\u8def\u7531<\/strong><\/li>\n<\/ol>\n
\u5728Django\u4e2d\uff0c\u9700\u8981\u5728urls.py<\/code>\u4e2d\u914d\u7f6eURL\u8def\u7531\uff0c\u5c06URL\u6620\u5c04\u5230\u89c6\u56fe\u51fd\u6570\u3002<\/p>\n<\/p>\n\u5728myproject\/urls.py<\/code>\u4e2d\uff1a<\/p>\n<\/p>\nfrom django.contrib import admin<\/p>\nfrom django.urls import path<\/p>\n
from myapp import views<\/p>\n
urlpatterns = [<\/p>\n
path('admin\/', admin.site.urls),<\/p>\n
path('', views.home, name='home'),<\/p>\n
]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u4f7f\u7528Django\u7684ORM<\/strong><\/li>\n<\/ol>\n
Django\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684ORM\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9a\u4e49\u548c\u64cd\u4f5c\u6570\u636e\u5e93\u6a21\u578b\u3002\u5728myapp\/models.py<\/code>\u4e2d\u5b9a\u4e49\u6a21\u578b\u7c7b\uff1a<\/p>\n<\/p>\nfrom django.db import models<\/p>\nclass Article(models.Model):<\/p>\n
title = models.CharField(max_length=200)<\/p>\n
content = models.TextField()<\/p>\n
pub_date = models.DateTimeField('date published')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u540c\u6b65\u6570\u636e\u5e93\u540e\uff0c\u53ef\u4ee5\u5728\u89c6\u56fe\u4e2d\u4f7f\u7528\u6a21\u578b\u67e5\u8be2\u6570\u636e\uff1a<\/p>\n<\/p>\n
from myapp.models import Article<\/p>\ndef articles(request):<\/p>\n
latest_articles = Article.objects.order_by('-pub_date')[:5]<\/p>\n
output = ', '.join([a.title for a in latest_articles])<\/p>\n
return HttpResponse(output)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5229\u7528Socket\u7f16\u7a0b\u8fdb\u884c\u4f4e\u7ea7\u7f51\u7edc\u901a\u4fe1<\/p>\n<\/p>\n
Python\u5185\u7f6e\u7684socket\u5e93\u652f\u6301TCP\u548cUDP\u534f\u8bae\u7684\u7f51\u7edc\u901a\u4fe1\uff0c\u53ef\u4ee5\u7528\u4e8e\u6784\u5efa\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5e94\u7528\u3002<\/p>\n<\/p>\n
\n- \u521b\u5efaTCP\u5ba2\u6237\u7aef<\/strong><\/li>\n<\/ol>\n
\u53ef\u4ee5\u4f7f\u7528socket\u5e93\u521b\u5efa\u4e00\u4e2aTCP\u5ba2\u6237\u7aef\uff0c\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\uff1a<\/p>\n<\/p>\n
import socket<\/p>\ndef tcp_client():<\/p>\n
host = 'localhost'<\/p>\n
port = 12345<\/p>\n
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:<\/p>\n
s.connect((host, port))<\/p>\n
s.sendall(b'Hello, server')<\/p>\n
data = s.recv(1024)<\/p>\n
print('Received', repr(data))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u521b\u5efaTCP\u670d\u52a1\u5668<\/strong><\/li>\n<\/ol>\n
\u53ef\u4ee5\u4f7f\u7528socket\u5e93\u521b\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668\uff0c\u63a5\u6536\u5ba2\u6237\u7aef\u8fde\u63a5\u5e76\u5904\u7406\u8bf7\u6c42\uff1a<\/p>\n<\/p>\n
import socket<\/p>\ndef tcp_server():<\/p>\n
host = 'localhost'<\/p>\n
port = 12345<\/p>\n
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:<\/p>\n
s.bind((host, port))<\/p>\n
s.listen()<\/p>\n
print('Server listening on', (host, port))<\/p>\n
conn, addr = s.accept()<\/p>\n
with conn:<\/p>\n
print('Connected by', addr)<\/p>\n
while True:<\/p>\n
data = conn.recv(1024)<\/p>\n
if not data:<\/p>\n
break<\/p>\n
conn.sendall(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u4f7f\u7528UDP\u534f\u8bae<\/strong><\/li>\n<\/ol>\n
Socket\u5e93\u4e5f\u652f\u6301UDP\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u65e0\u8fde\u63a5\u7684\u7f51\u7edc\u901a\u4fe1\uff1a<\/p>\n<\/p>\n
def udp_client():<\/p>\n host = 'localhost'<\/p>\n
port = 12345<\/p>\n
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:<\/p>\n
s.sendto(b'Hello, UDP server', (host, port))<\/p>\n
data, server = s.recvfrom(4096)<\/p>\n
print('Received', repr(data))<\/p>\n
def udp_server():<\/p>\n
host = 'localhost'<\/p>\n
port = 12345<\/p>\n
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:<\/p>\n
s.bind((host, port))<\/p>\n
print('UDP Server listening on', (host, port))<\/p>\n
while True:<\/p>\n
data, addr = s.recvfrom(4096)<\/p>\n
print('Received from', addr, data)<\/p>\n
s.sendto(data, addr)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0cPython\u53ef\u4ee5\u6709\u6548\u5730\u8fd0\u884c\u548c\u7ba1\u7406\u7f51\u7edc\u5e94\u7528\uff0c\u65e0\u8bba\u662f\u901a\u8fc7HTTP\u534f\u8bae\u4e0e\u7f51\u7edc\u8d44\u6e90\u4ea4\u4e92\uff0c\u8fd8\u662f\u6784\u5efa\u590d\u6742\u7684Web\u5e94\u7528\uff0c\u6216\u8005\u8fdb\u884c\u4f4e\u7ea7\u7684\u7f51\u7edc\u901a\u4fe1\uff0cPython\u90fd\u63d0\u4f9b\u4e86\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u5de5\u5177\u3002\u9009\u62e9\u9002\u5408\u7684\u5de5\u5177\u548c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u548c\u5e94\u7528\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n \u5982\u4f55\u4f7f\u7528Python\u8fdb\u884c\u7f51\u7edc\u7f16\u7a0b\uff1f<\/strong>
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5e93\u548c\u6a21\u5757\uff0c\u5982socket<\/code>\u548crequests<\/code>\uff0c\u53ef\u4ee5\u7528\u4e8e\u7f51\u7edc\u7f16\u7a0b\u3002\u901a\u8fc7socket<\/code>\u6a21\u5757\uff0c\u53ef\u4ee5\u521b\u5efaTCP\u6216UDP\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\uff0c\u800crequests<\/code>\u5e93\u5219\u7b80\u5316\u4e86HTTP\u8bf7\u6c42\u7684\u8fc7\u7a0b\u3002\u5bf9\u4e8e\u65b0\u624b\u6765\u8bf4\uff0c\u5b66\u4e60\u4f7f\u7528\u8fd9\u4e9b\u5e93\u53ef\u4ee5\u5e2e\u52a9\u5feb\u901f\u5165\u95e8\u7f51\u7edc\u7f16\u7a0b\u3002<\/p>\n\u5728Python\u4e2d\u5982\u4f55\u5904\u7406\u7f51\u7edc\u9519\u8bef\uff1f<\/strong>
\u5728\u8fdb\u884c\u7f51\u7edc\u7f16\u7a0b\u65f6\uff0c\u5904\u7406\u9519\u8bef\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4f7f\u7528try-except<\/code>\u8bed\u53e5\u53ef\u4ee5\u6355\u6349\u7f51\u7edc\u8bf7\u6c42\u4e2d\u7684\u5f02\u5e38\uff0c\u4f8b\u5982\u8fde\u63a5\u8d85\u65f6\u3001\u65e0\u6cd5\u89e3\u6790\u4e3b\u673a\u7b49\u3002\u901a\u8fc7\u6355\u6349\u8fd9\u4e9b\u5f02\u5e38\uff0c\u53ef\u4ee5\u4f7f\u7a0b\u5e8f\u66f4\u5065\u58ee\uff0c\u5e76\u63d0\u4f9b\u7528\u6237\u53cb\u597d\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\nPython\u7f51\u7edc\u7f16\u7a0b\u7684\u6700\u4f73\u5b9e\u8df5\u6709\u54ea\u4e9b\uff1f<\/strong>
\u4e3a\u4e86\u63d0\u9ad8\u7f51\u7edc\u7f16\u7a0b\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\uff0c\u5efa\u8bae\u4f7f\u7528HTTPS\u534f\u8bae\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u786e\u4fdd\u6570\u636e\u52a0\u5bc6\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u8fde\u63a5\u6c60\u6765\u7ba1\u7406\u7f51\u7edc\u8fde\u63a5\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u786e\u4fdd\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5e76\u4f7f\u7528\u9002\u5f53\u7684\u5f02\u5e38\u5904\u7406\u673a\u5236\u6765\u907f\u514d\u6f5c\u5728\u7684\u5b89\u5168\u6f0f\u6d1e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u8fd0\u884c\u7f51\u7edc\u7684\u4e3b\u8981\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u8bf7\u6c42\u5e93\u8fdb\u884cHTTP\u8bf7\u6c42\u3001\u4f7f\u7528Flask\u6216Django\u6846\u67b6\u6784\u5efaWeb\u5e94\u7528 […]","protected":false},"author":3,"featured_media":947250,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/947239"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=947239"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/947239\/revisions"}],"predecessor-version":[{"id":947252,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/947239\/revisions\/947252"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/947250"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=947239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=947239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=947239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"python](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25083103\/e6139d22-3e75-446a-afb5-b2e0c83be546.webp\")
<\/p>\n