AI<\/a>n__':<\/p>\n app.run(debug=True)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684Flask\u5e94\u7528\uff0c\u5f53\u8bbf\u95ee\u6839URL\uff08\/<\/code>\uff09\u65f6\uff0c\u5c06\u8fd4\u56de\u201cHello, World!\u201d\u3002<\/p>\n<\/p>\n\n- \u8fd0\u884cFlask\u5e94\u7528<\/li>\n<\/ol>\n
\u5728\u547d\u4ee4\u884c\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u542f\u52a8Flask\u5e94\u7528\uff1a<\/p>\n<\/p>\n
python app.py<\/p>\n<\/code><\/pre>\n<\/p>\n
\u7136\u540e\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95eehttp:\/\/127.0.0.1:5000\/<\/code>\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u201cHello, World!\u201d\u7684\u9875\u9762\u3002<\/p>\n<\/p>\n\u4e8c\u3001\u4f7f\u7528HTML\u6a21\u677f\u5f15\u64ce<\/p>\n<\/p>\n
Flask\u652f\u6301\u4f7f\u7528Jinja2\u6a21\u677f\u5f15\u64ce\uff0c\u53ef\u4ee5\u4f7f\u5f97\u7f51\u9875\u7684\u5185\u5bb9\u548c\u7ed3\u6784\u5206\u79bb\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/p>\n<\/p>\n
\n- \u521b\u5efa\u6a21\u677f\u6587\u4ef6<\/li>\n<\/ol>\n
\u5728\u9879\u76ee\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3atemplates<\/code>\u7684\u6587\u4ef6\u5939\uff0c\u5e76\u5728\u5176\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aindex.html<\/code>\u7684\u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<!DOCTYPE html><\/p>\n<html lang="en"><\/p>\n
<head><\/p>\n
<meta charset="UTF-8"><\/p>\n
<meta name="viewport" content="width=device-width, initial-scale=1.0"><\/p>\n
<title>My Flask App<\/title><\/p>\n
<\/head><\/p>\n
<body><\/p>\n
<h1>{{ title }}<\/h1><\/p>\n
<p>{{ message }}<\/p><\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u4fee\u6539Flask\u5e94\u7528\u4f7f\u7528\u6a21\u677f<\/li>\n<\/ol>\n
\u4fee\u6539app.py<\/code>\u6587\u4ef6\uff0c\u4f7f\u5176\u4f7f\u7528\u6a21\u677f\u5f15\u64ce\uff1a<\/p>\n<\/p>\nfrom flask import Flask, render_template<\/p>\napp = Flask(__name__)<\/p>\n
@app.route('\/')<\/p>\n
def home():<\/p>\n
return render_template('index.html', title='Welcome to My Flask App', message='Hello, World!')<\/p>\n
if __name__ == '__main__':<\/p>\n
app.run(debug=True)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u96c6\u6210\u6570\u636e\u5e93<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u7684Web\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u4f7f\u7528\u6570\u636e\u5e93\u6765\u5b58\u50a8\u548c\u7ba1\u7406\u6570\u636e\u3002Flask\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u96c6\u6210\u5404\u79cd\u6570\u636e\u5e93\uff0c\u4f8b\u5982SQLite\u3001MySQL\u3001PostgreSQL\u7b49\u3002<\/p>\n<\/p>\n
\n- \u5b89\u88c5SQLAlchemy<\/li>\n<\/ol>\n
SQLAlchemy\u662f\u4e00\u4e2aPython\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u5e93\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b83\u65b9\u4fbf\u5730\u64cd\u4f5c\u6570\u636e\u5e93\u3002\u53ef\u4ee5\u4f7f\u7528pip\u6765\u5b89\u88c5SQLAlchemy\uff1a<\/p>\n<\/p>\n
pip install SQLAlchemy<\/p>\n<\/code><\/pre>\n<\/p>\n
\n- \u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5<\/li>\n<\/ol>\n
\u5728\u9879\u76ee\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aconfig.py<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u5728\u5176\u4e2d\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\uff1a<\/p>\n<\/p>\nimport os<\/p>\nbasedir = os.path.abspath(os.path.dirname(__file__))<\/p>\n
class Config:<\/p>\n
SQLALCHEMY_DATABASE_URI = 'sqlite:\/\/\/' + os.path.join(basedir, 'app.db')<\/p>\n
SQLALCHEMY_TRACK_MODIFICATIONS = False<\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u521b\u5efa\u6570\u636e\u5e93\u6a21\u578b<\/li>\n<\/ol>\n
\u5728app.py<\/code>\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff0c\u5b9a\u4e49\u4e00\u4e2a\u6570\u636e\u5e93\u6a21\u578b\uff1a<\/p>\n<\/p>\nfrom flask_sqlalchemy import SQLAlchemy<\/p>\napp.config.from_object(Config)<\/p>\n
db = SQLAlchemy(app)<\/p>\n
class User(db.Model):<\/p>\n
id = db.Column(db.Integer, primary_key=True)<\/p>\n
username = db.Column(db.String(64), index=True, unique=True)<\/p>\n
email = db.Column(db.String(120), index=True, unique=True)<\/p>\n
def __repr__(self):<\/p>\n
return f'<User {self.username}>'<\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u521b\u5efa\u6570\u636e\u5e93\u548c\u8868<\/li>\n<\/ol>\n
\u5728Python shell\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\uff1a<\/p>\n<\/p>\n
from app import db<\/p>\ndb.create_all()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u524d\u7aef\u96c6\u6210<\/p>\n<\/p>\n
\u4e3a\u4e86\u4f7f\u7f51\u9875\u66f4\u5177\u5438\u5f15\u529b\u548c\u4e92\u52a8\u6027\uff0c\u53ef\u4ee5\u96c6\u6210\u4e00\u4e9b\u524d\u7aef\u6846\u67b6\u548c\u5e93\uff0c\u4f8b\u5982Bootstrap\u3001jQuery\u7b49\u3002<\/p>\n<\/p>\n
\n- \u4f7f\u7528Bootstrap<\/li>\n<\/ol>\n
\u5728index.html<\/code>\u6587\u4ef6\u4e2d\u5f15\u5165Bootstrap CSS\u548cJS\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<!DOCTYPE html><\/p>\n<html lang="en"><\/p>\n
<head><\/p>\n
<meta charset="UTF-8"><\/p>\n
<meta name="viewport" content="width=device-width, initial-scale=1.0"><\/p>\n
<title>My Flask App<\/title><\/p>\n
<link rel="stylesheet" href="https:\/\/stackpath.bootstrapcdn.com\/bootstrap\/4.5.2\/css\/bootstrap.min.css"><\/p>\n
<\/head><\/p>\n
<body><\/p>\n
<div class="container"><\/p>\n
<h1 class="mt-5">{{ title }}<\/h1><\/p>\n
<p class="lead">{{ message }}<\/p><\/p>\n
<\/div><\/p>\n
<script src="https:\/\/code.jquery.com\/jquery-3.5.1.slim.min.js"><\/script><\/p>\n
<script src="https:\/\/cdn.jsdelivr.net\/npm\/@popperjs\/core@2.5.4\/dist\/umd\/popper.min.js"><\/script><\/p>\n
<script src="https:\/\/stackpath.bootstrapcdn.com\/bootstrap\/4.5.2\/js\/bootstrap.min.js"><\/script><\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u7528\u6237\u8ba4\u8bc1\u548c\u6388\u6743<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u7684Web\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u5b9e\u73b0\u7528\u6237\u8ba4\u8bc1\u548c\u6388\u6743\u529f\u80fd\u3002Flask\u63d0\u4f9b\u4e86Flask-Login\u6269\u5c55\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u7528\u6237\u8ba4\u8bc1\u548c\u6388\u6743\u3002<\/p>\n<\/p>\n
\n- \u5b89\u88c5Flask-Login<\/li>\n<\/ol>\n
\u53ef\u4ee5\u4f7f\u7528pip\u6765\u5b89\u88c5Flask-Login\uff1a<\/p>\n<\/p>\n
pip install Flask-Login<\/p>\n<\/code><\/pre>\n<\/p>\n
\n- \u914d\u7f6eFlask-Login<\/li>\n<\/ol>\n
\u5728app.py<\/code>\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff0c\u914d\u7f6eFlask-Login\uff1a<\/p>\n<\/p>\nfrom flask_login import LoginManager<\/p>\nlogin = LoginManager(app)<\/p>\n
login.login_view = 'login'<\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u521b\u5efa\u7528\u6237\u6a21\u578b\u548c\u89c6\u56fe\u51fd\u6570<\/li>\n<\/ol>\n
\u5728app.py<\/code>\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7528\u6237\u6a21\u578b\u548c\u89c6\u56fe\u51fd\u6570\uff1a<\/p>\n<\/p>\nfrom flask_login import UserMixin<\/p>\nclass User(UserMixin, db.Model):<\/p>\n
id = db.Column(db.Integer, primary_key=True)<\/p>\n
username = db.Column(db.String(64), index=True, unique=True)<\/p>\n
email = db.Column(db.String(120), index=True, unique=True)<\/p>\n
password_hash = db.Column(db.String(128))<\/p>\n
def __repr__(self):<\/p>\n
return f'<User {self.username}>'<\/p>\n
from flask_login import login_user, logout_user, current_user, login_required<\/p>\n
@app.route('\/login', methods=['GET', 'POST'])<\/p>\n
def login():<\/p>\n
# \u5904\u7406\u767b\u5f55\u903b\u8f91<\/p>\n
pass<\/p>\n
@app.route('\/logout')<\/p>\n
def logout():<\/p>\n
logout_user()<\/p>\n
return redirect(url_for('home'))<\/p>\n
@app.route('\/protected')<\/p>\n
@login_required<\/p>\n
def protected():<\/p>\n
return 'This is a protected page.'<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u7528Python\u548cFlask\u521b\u5efa\u4e00\u4e2a\u529f\u80fd\u7b80\u5355\u4f46\u5b8c\u6574\u7684Web\u5e94\u7528\u3002\u5f53\u7136\uff0c\u5b9e\u9645\u9879\u76ee\u4e2d\u53ef\u80fd\u4f1a\u6709\u66f4\u591a\u590d\u6742\u7684\u9700\u6c42\u548c\u529f\u80fd\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u6269\u5c55\u548c\u4f18\u5316\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n \u7528Python\u5f00\u53d1\u7f51\u9875\u7684\u57fa\u672c\u6b65\u9aa4\u662f\u4ec0\u4e48\uff1f<\/strong>
\u5f00\u53d1\u7f51\u9875\u901a\u5e38\u9700\u8981\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u6846\u67b6\u3002\u5e38\u7528\u7684Python\u6846\u67b6\u5305\u62ecFlask\u548cDjango\u3002Flask\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u6846\u67b6\uff0c\u9002\u5408\u5c0f\u578b\u9879\u76ee\uff0c\u800cDjango\u5219\u9002\u7528\u4e8e\u66f4\u590d\u6742\u7684\u5e94\u7528\u3002\u9009\u62e9\u6846\u67b6\u540e\uff0c\u60a8\u53ef\u4ee5\u8bbe\u7f6e\u9879\u76ee\u7ed3\u6784\uff0c\u521b\u5efa\u89c6\u56fe\u548c\u8def\u7531\uff0c\u7f16\u5199HTML\u6a21\u677f\uff0c\u6700\u540e\u8fd0\u884c\u670d\u52a1\u5668\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n\u6211\u9700\u8981\u638c\u63e1\u54ea\u4e9b\u524d\u7aef\u6280\u672f\u624d\u80fd\u4f7f\u7528Python\u505a\u7f51\u9875\uff1f<\/strong>
\u867d\u7136Python\u4e3b\u8981\u7528\u4e8e\u540e\u7aef\u5f00\u53d1\uff0c\u4f46\u4e86\u89e3\u4e00\u4e9b\u524d\u7aef\u6280\u672f\u662f\u975e\u5e38\u6709\u5e2e\u52a9\u7684\u3002\u57fa\u672c\u7684HTML\u548cCSS\u77e5\u8bc6\u662f\u5fc5\u987b\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u7528\u4e8e\u521b\u5efa\u7f51\u9875\u7684\u7ed3\u6784\u548c\u6837\u5f0f\u3002\u6b64\u5916\uff0cJavaScript\u4e5f\u4f1a\u589e\u5f3a\u7528\u6237\u4ea4\u4e92\u4f53\u9a8c\u3002\u638c\u63e1\u8fd9\u4e9b\u6280\u672f\u5c06\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u6574\u5408\u524d\u7aef\u548c\u540e\u7aef\u3002<\/p>\n\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u8868\u5355\u6570\u636e\uff1f<\/strong>
\u5904\u7406\u8868\u5355\u6570\u636e\u901a\u5e38\u6d89\u53ca\u63a5\u6536\u7528\u6237\u8f93\u5165\u3001\u9a8c\u8bc1\u6570\u636e\u5e76\u8fdb\u884c\u5b58\u50a8\u3002\u4f7f\u7528Flask\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7request.form<\/code>\u83b7\u53d6\u8868\u5355\u6570\u636e\uff0c\u800c\u5728Django\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7request.POST<\/code>\u6765\u8bbf\u95ee\u3002\u9a8c\u8bc1\u6570\u636e\u7684\u6b65\u9aa4\u975e\u5e38\u91cd\u8981\uff0c\u786e\u4fdd\u7528\u6237\u63d0\u4ea4\u7684\u6570\u636e\u7b26\u5408\u9884\u671f\uff0c\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\u4f7f\u7528Python\u5f00\u53d1\u7f51\u9875\u65f6\uff0c\u5982\u4f55\u4fdd\u8bc1\u7f51\u7ad9\u7684\u5b89\u5168\u6027\uff1f<\/strong>
\u786e\u4fdd\u7f51\u7ad9\u5b89\u5168\u7684\u4e00\u4e2a\u5173\u952e\u6b65\u9aa4\u662f\u9632\u6b62\u5e38\u89c1\u7684\u7f51\u7edc\u653b\u51fb\uff0c\u4f8b\u5982SQL\u6ce8\u5165\u548c\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09\u3002\u4f7f\u7528ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u5de5\u5177\u5982Django\u7684ORM\u53ef\u4ee5\u5e2e\u52a9\u907f\u514dSQL\u6ce8\u5165\u3002\u5bf9\u4e8eXSS\u653b\u51fb\uff0c\u53ef\u4ee5\u5728\u8f93\u51fa\u5230\u7f51\u9875\u4e4b\u524d\u5bf9\u6570\u636e\u8fdb\u884c\u8f6c\u4e49\u3002\u6b64\u5916\uff0c\u4f7f\u7528HTTPS\u534f\u8bae\u548c\u5b9a\u671f\u66f4\u65b0\u4f9d\u8d56\u5e93\u4e5f\u662f\u63d0\u9ad8\u5b89\u5168\u6027\u7684\u597d\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5982\u4f55\u7528Python\u505a\u4e00\u4e2a\u7f51\u9875 \u8981\u7528Python\u505a\u4e00\u4e2a\u7f51\u9875\uff0c\u53ef\u4ee5\u4f7f\u7528Web\u6846\u67b6\u3001HTML\u6a21\u677f\u5f15\u64ce\u3001\u6570\u636e\u5e93\u96c6\u6210\u3001\u524d […]","protected":false},"author":3,"featured_media":1086580,"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\/1086571"}],"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=1086571"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1086571\/revisions"}],"predecessor-version":[{"id":1086581,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1086571\/revisions\/1086581"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1086580"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1086571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1086571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1086571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\u5982\u4f55\u7528python\u505a\u4e00\u4e2a\u7f51\u9875\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24195924\/e3281575-4eb2-44e9-9f6e-152de1fde081.webp\")
<\/p>\n