{"id":989177,"date":"2024-12-27T08:09:12","date_gmt":"2024-12-27T00:09:12","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/989177.html"},"modified":"2024-12-27T08:09:18","modified_gmt":"2024-12-27T00:09:18","slug":"python%e5%ae%9e%e7%8e%b0%e7%bd%91%e9%a1%b5%e5%a6%82%e4%bd%95%e5%88%b6%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/989177.html","title":{"rendered":"Python\u5b9e\u73b0\u7f51\u9875\u5982\u4f55\u5236\u4f5c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25064458\/4d6e5a26-29d2-4cbf-b7b2-14a1bdf0f845.webp\" alt=\"Python\u5b9e\u73b0\u7f51\u9875\u5982\u4f55\u5236\u4f5c\" \/><\/p>\n<p><p> <strong>\u8981\u5b9e\u73b0Python\u7f51\u9875\u5236\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528Flask\u6846\u67b6\u3001Django\u6846\u67b6\u3001\u5229\u7528Jinja2\u6a21\u677f\u5f15\u64ce\u8fdb\u884c\u6e32\u67d3\u3001\u7ed3\u5408HTML\/CSS\u8fdb\u884c\u9875\u9762\u8bbe\u8ba1<\/strong>\u3002\u5176\u4e2d\uff0cFlask\u6846\u67b6\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684Python Web\u6846\u67b6\uff0c\u9002\u5408\u521d\u5b66\u8005\u5feb\u901f\u4e0a\u624b\u3002\u901a\u8fc7Flask\u6846\u67b6\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5730\u521b\u5efa\u3001\u914d\u7f6e\u548c\u8fd0\u884c\u4e00\u4e2a\u7b80\u5355\u7684Web\u670d\u52a1\u5668\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5bf9Flask\u6846\u67b6\u8fdb\u884c\u8be6\u7ec6\u7684\u4ecb\u7ecd\u3002<\/p>\n<\/p>\n<p><p>Flask\u662f\u4e00\u4e2a\u5fae\u6846\u67b6\uff0c\u610f\u5473\u7740\u5b83\u7684\u6838\u5fc3\u7b80\u5355\u8f7b\u91cf\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u6269\u5c55\u6765\u6ee1\u8db3\u590d\u6742\u7684\u9700\u6c42\u3002\u5b83\u9075\u5faaWSGI\u6807\u51c6\uff0c\u5e76\u4e14\u662f\u57fa\u4e8eWerkzeug WSGI\u5de5\u5177\u5305\u548cJinja2\u6a21\u677f\u5f15\u64ce\u7684\u3002Flask\u8ba9\u5f00\u53d1\u8005\u53ef\u4ee5\u5feb\u901f\u6784\u5efaWeb\u5e94\u7528\u7a0b\u5e8f\uff0c\u5177\u6709\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u4f7f\u7528Flask\u6846\u67b6\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u7f51\u9875\u5e94\u7528\u53ea\u9700\u8981\u51e0\u884c\u4ee3\u7801\uff0c\u5e76\u4e14\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6dfb\u52a0\u6570\u636e\u5e93\u3001\u8868\u5355\u5904\u7406\u3001\u7528\u6237\u8ba4\u8bc1\u7b49\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001FLASK\u6846\u67b6\u7684\u57fa\u7840<\/p>\n<\/p>\n<p><p>Flask\u662fPython\u4e2d\u975e\u5e38\u6d41\u884c\u7684Web\u5f00\u53d1\u6846\u67b6\u4e4b\u4e00\uff0c\u4e3b\u8981\u7528\u4e8e\u6784\u5efa\u7b80\u5355\u800c\u5feb\u901f\u7684Web\u5e94\u7528\u3002\u4e0eDjango\u4e0d\u540c\uff0cFlask\u662f\u4e00\u4e2a\u5fae\u6846\u67b6\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u81ea\u7531\u9009\u62e9\u81ea\u5df1\u9700\u8981\u7684\u7ec4\u4ef6\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>Flask\u7684\u5b89\u88c5\u4e0e\u57fa\u672c\u4f7f\u7528<\/strong><\/p>\n<\/p>\n<p><p>\u5b89\u88c5Flask\u76f8\u5bf9\u7b80\u5355\uff0c\u53ea\u9700\u8981\u4f7f\u7528Python\u7684\u5305\u7ba1\u7406\u5de5\u5177pip\u5373\u53ef\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install Flask<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u521b\u5efa\u4e00\u4e2a\u57fa\u672c\u7684Flask\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u521b\u5efa\u4e00\u4e2aPython\u6587\u4ef6\uff0c\u5e76\u5bfc\u5165Flask\u6a21\u5757\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from flask import Flask<\/p>\n<p>app = Flask(__name__)<\/p>\n<p>@app.route(&#39;\/&#39;)<\/p>\n<p>def hello_world():<\/p>\n<p>    return &#39;Hello, World!&#39;<\/p>\n<p>if __name__ == &#39;__m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n__&#39;:<\/p>\n<p>    app.run(debug=True)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4ee5\u4e0a\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u6700\u7b80\u5355\u7684Flask\u5e94\u7528\u7a0b\u5e8f\uff0c\u5f53\u8fd0\u884c\u8be5\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee<code>http:\/\/localhost:5000<\/code>\u770b\u5230\u201cHello, World!\u201d\u7684\u8f93\u51fa\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u8def\u7531\u4e0e\u89c6\u56fe\u51fd\u6570<\/strong><\/p>\n<\/p>\n<p><p>\u8def\u7531\u662fFlask\u5e94\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u7528\u4e8e\u5b9a\u4e49URL\u8def\u5f84\u4e0e\u89c6\u56fe\u51fd\u6570\u7684\u6620\u5c04\u5173\u7cfb\u3002\u89c6\u56fe\u51fd\u6570\u662f\u5904\u7406\u8bf7\u6c42\u5e76\u8fd4\u56de\u54cd\u5e94\u7684Python\u51fd\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">@app.route(&#39;\/greet\/&lt;name&gt;&#39;)<\/p>\n<p>def greet(name):<\/p>\n<p>    return f&#39;Hello, {name}!&#39;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u52a8\u6001\u8def\u7531\uff0c\u5141\u8bb8\u7528\u6237\u901a\u8fc7URL\u53c2\u6570\u4f20\u9012\u540d\u5b57\uff0c\u5e76\u8fd4\u56de\u4e2a\u6027\u5316\u7684\u95ee\u5019\u4fe1\u606f\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e8c\u3001\u6a21\u677f\u6e32\u67d3\u4e0e\u9759\u6001\u6587\u4ef6<\/p>\n<\/p>\n<p><p>Flask\u652f\u6301\u6a21\u677f\u6e32\u67d3\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06\u6570\u636e\u5d4c\u5165\u5230HTML\u4e2d\u3002Jinja2\u662fFlask\u9ed8\u8ba4\u7684\u6a21\u677f\u5f15\u64ce\uff0c\u652f\u6301\u53d8\u91cf\u66ff\u6362\u3001\u5faa\u73af\u3001\u6761\u4ef6\u8bed\u53e5\u7b49\u529f\u80fd\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528Jinja2\u6a21\u677f<\/strong><\/p>\n<\/p>\n<p><p>\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>templates<\/code>\u7684\u76ee\u5f55\uff0c\u5e76\u5728\u5176\u4e2d\u521b\u5efa\u4e00\u4e2aHTML\u6587\u4ef6\uff0c\u4f8b\u5982<code>index.html<\/code>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;<\/p>\n<p>&lt;html lang=&quot;en&quot;&gt;<\/p>\n<p>&lt;head&gt;<\/p>\n<p>    &lt;meta charset=&quot;UTF-8&quot;&gt;<\/p>\n<p>    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;<\/p>\n<p>    &lt;title&gt;Welcome&lt;\/title&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;h1&gt;Welcome, {{ name }}!&lt;\/h1&gt;<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728Flask\u5e94\u7528\u4e2d\u4f7f\u7528\u6a21\u677f\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from flask import render_template<\/p>\n<p>@app.route(&#39;\/welcome\/&lt;name&gt;&#39;)<\/p>\n<p>def welcome(name):<\/p>\n<p>    return render_template(&#39;index.html&#39;, name=name)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6837\uff0c\u5f53\u8bbf\u95ee<code>\/welcome\/YourName<\/code>\u65f6\uff0c\u9875\u9762\u4f1a\u663e\u793a\u201cWelcome, YourName!\u201d\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u9759\u6001\u6587\u4ef6\u7ba1\u7406<\/strong><\/p>\n<\/p>\n<p><p>\u9759\u6001\u6587\u4ef6\u5982CSS\u3001JavaScript\u548c\u56fe\u50cf\u53ef\u4ee5\u653e\u7f6e\u5728<code>static<\/code>\u76ee\u5f55\u4e0b\u3002\u53ef\u4ee5\u901a\u8fc7<code>url_for<\/code>\u51fd\u6570\u751f\u6210\u9759\u6001\u6587\u4ef6\u7684URL\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-html\">&lt;link rel=&quot;stylesheet&quot; href=&quot;{{ url_for(&#39;static&#39;, filename=&#39;style.css&#39;) }}&quot;&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e09\u3001\u8868\u5355\u5904\u7406\u4e0e\u6570\u636e\u63d0\u4ea4<\/p>\n<\/p>\n<p><p>Web\u5e94\u7528\u901a\u5e38\u9700\u8981\u5904\u7406\u7528\u6237\u63d0\u4ea4\u7684\u6570\u636e\uff0cFlask\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u5904\u7406\u8868\u5355\u6570\u636e\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>Flask-WTF\u6269\u5c55<\/strong><\/p>\n<\/p>\n<p><p>Flask-WTF\u662fFlask\u7684\u4e00\u4e2a\u6269\u5c55\uff0c\u63d0\u4f9b\u4e86\u5bf9WTForms\u7684\u652f\u6301\uff0c\u4f7f\u8868\u5355\u5904\u7406\u66f4\u52a0\u7b80\u4fbf\u548c\u5b89\u5168\u3002<\/p>\n<\/p>\n<p><p>\u5b89\u88c5Flask-WTF\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install Flask-WTF<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u521b\u5efa\u4e00\u4e2a\u8868\u5355\u7c7b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from flask_wtf import FlaskForm<\/p>\n<p>from wtforms import StringField, SubmitField<\/p>\n<p>from wtforms.validators import DataRequired<\/p>\n<p>class NameForm(FlaskForm):<\/p>\n<p>    name = StringField(&#39;What is your name?&#39;, validators=[DataRequired()])<\/p>\n<p>    submit = SubmitField(&#39;Submit&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u89c6\u56fe\u51fd\u6570\u4e2d\u5904\u7406\u8868\u5355\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from flask import Flask, render_template, flash, redirect, url_for<\/p>\n<p>from forms import NameForm<\/p>\n<p>app.config[&#39;SECRET_KEY&#39;] = &#39;a_secret_key&#39;<\/p>\n<p>@app.route(&#39;\/form&#39;, methods=[&#39;GET&#39;, &#39;POST&#39;])<\/p>\n<p>def form():<\/p>\n<p>    form = NameForm()<\/p>\n<p>    if form.validate_on_submit():<\/p>\n<p>        flash(f&#39;Hello, {form.name.data}!&#39;)<\/p>\n<p>        return redirect(url_for(&#39;form&#39;))<\/p>\n<p>    return render_template(&#39;form.html&#39;, form=form)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>form.html<\/code>\u6a21\u677f\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;<\/p>\n<p>&lt;html lang=&quot;en&quot;&gt;<\/p>\n<p>&lt;head&gt;<\/p>\n<p>    &lt;meta charset=&quot;UTF-8&quot;&gt;<\/p>\n<p>    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;<\/p>\n<p>    &lt;title&gt;Form&lt;\/title&gt;<\/p>\n<p>&lt;\/head&gt;<\/p>\n<p>&lt;body&gt;<\/p>\n<p>    &lt;form method=&quot;post&quot;&gt;<\/p>\n<p>        {{ form.hidden_tag() }}<\/p>\n<p>        &lt;p&gt;<\/p>\n<p>            {{ form.name.label }}&lt;br&gt;<\/p>\n<p>            {{ form.name(size=32) }}&lt;br&gt;<\/p>\n<p>            {% for error in form.name.errors %}<\/p>\n<p>            &lt;span style=&quot;color: red;&quot;&gt;[{{ error }}]&lt;\/span&gt;<\/p>\n<p>            {% endfor %}<\/p>\n<p>        &lt;\/p&gt;<\/p>\n<p>        &lt;p&gt;{{ form.submit() }}&lt;\/p&gt;<\/p>\n<p>    &lt;\/form&gt;<\/p>\n<p>    {% with messages = get_flashed_messages() %}<\/p>\n<p>    {% if messages %}<\/p>\n<p>    &lt;ul&gt;<\/p>\n<p>        {% for message in messages %}<\/p>\n<p>        &lt;li&gt;{{ message }}&lt;\/li&gt;<\/p>\n<p>        {% endfor %}<\/p>\n<p>    &lt;\/ul&gt;<\/p>\n<p>    {% endif %}<\/p>\n<p>    {% endwith %}<\/p>\n<p>&lt;\/body&gt;<\/p>\n<p>&lt;\/html&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u624b\u52a8\u5904\u7406\u8868\u5355\u6570\u636e<\/strong><\/p>\n<\/p>\n<p><p>\u5982\u679c\u4e0d\u4f7f\u7528Flask-WTF\uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u83b7\u53d6\u548c\u5904\u7406\u8868\u5355\u6570\u636e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from flask import request<\/p>\n<p>@app.route(&#39;\/submit&#39;, methods=[&#39;POST&#39;])<\/p>\n<p>def submit():<\/p>\n<p>    name = request.form.get(&#39;name&#39;)<\/p>\n<p>    return f&#39;Hello, {name}!&#39;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728HTML\u4e2d\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u8868\u5355\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-html\">&lt;form action=&quot;{{ url_for(&#39;submit&#39;) }}&quot; method=&quot;post&quot;&gt;<\/p>\n<p>    &lt;input type=&quot;text&quot; name=&quot;name&quot;&gt;<\/p>\n<p>    &lt;input type=&quot;submit&quot; value=&quot;Submit&quot;&gt;<\/p>\n<p>&lt;\/form&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u56db\u3001\u6570\u636e\u5e93\u96c6\u6210\u4e0eORM<\/p>\n<\/p>\n<p><p>Flask\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\uff0c\u901a\u8fc7\u96c6\u6210ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u53ef\u4ee5\u66f4\u52a0\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528Flask-SQLAlchemy<\/strong><\/p>\n<\/p>\n<p><p>Flask-SQLAlchemy\u662fFlask\u7684\u4e00\u4e2a\u6269\u5c55\uff0c\u63d0\u4f9b\u4e86\u4e0eSQLAlchemy\u7684\u96c6\u6210\u3002SQLAlchemy\u662fPython\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u7684ORM\u5e93\u3002<\/p>\n<\/p>\n<p><p>\u5b89\u88c5Flask-SQLAlchemy\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install Flask-SQLAlchemy<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u914d\u7f6e\u548c\u521d\u59cb\u5316\u6570\u636e\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from flask_sqlalchemy import SQLAlchemy<\/p>\n<p>app.config[&#39;SQLALCHEMY_DATABASE_URI&#39;] = &#39;sqlite:\/\/\/site.db&#39;<\/p>\n<p>db = SQLAlchemy(app)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u521b\u5efa\u6a21\u578b\u7c7b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class User(db.Model):<\/p>\n<p>    id = db.Column(db.Integer, primary_key=True)<\/p>\n<p>    username = db.Column(db.String(20), unique=True, nullable=False)<\/p>\n<p>    email = db.Column(db.String(120), unique=True, nullable=False)<\/p>\n<p>    def __repr__(self):<\/p>\n<p>        return f&quot;User(&#39;{self.username}&#39;, &#39;{self.email}&#39;)&quot;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u521b\u5efa\u6570\u636e\u5e93\u8868\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">flask shell<\/p>\n<p>&gt;&gt;&gt; from yourapp import db<\/p>\n<p>&gt;&gt;&gt; db.create_all()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u5e93\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n<p><p>\u6dfb\u52a0\u8bb0\u5f55\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user = User(username=&#39;JohnDoe&#39;, email=&#39;john@example.com&#39;)<\/p>\n<p>db.session.add(user)<\/p>\n<p>db.session.commit()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u67e5\u8be2\u8bb0\u5f55\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">users = User.query.all()<\/p>\n<p>user = User.query.filter_by(username=&#39;JohnDoe&#39;).first()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u66f4\u65b0\u548c\u5220\u9664\u8bb0\u5f55\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user.username = &#39;JaneDoe&#39;<\/p>\n<p>db.session.commit()<\/p>\n<p>db.session.delete(user)<\/p>\n<p>db.session.commit()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e94\u3001\u7528\u6237\u8ba4\u8bc1\u4e0e\u6388\u6743<\/p>\n<\/p>\n<p><p>\u7528\u6237\u8ba4\u8bc1\u548c\u6388\u6743\u662fWeb\u5e94\u7528\u4e2d\u7684\u91cd\u8981\u90e8\u5206\uff0cFlask\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528Flask-Login<\/strong><\/p>\n<\/p>\n<p><p>Flask-Login\u662f\u4e00\u4e2a\u7528\u4e8e\u7ba1\u7406\u7528\u6237\u4f1a\u8bdd\u7684\u6269\u5c55\uff0c\u652f\u6301\u7528\u6237\u767b\u5f55\u3001\u767b\u51fa\u4ee5\u53ca\u8bbf\u95ee\u63a7\u5236\u3002<\/p>\n<\/p>\n<p><p>\u5b89\u88c5Flask-Login\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install Flask-Login<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u914d\u7f6eFlask-Login\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required<\/p>\n<p>login_manager = LoginManager(app)<\/p>\n<p>login_manager.login_view = &#39;login&#39;<\/p>\n<p>class User(UserMixin, db.Model):<\/p>\n<p>    id = db.Column(db.Integer, primary_key=True)<\/p>\n<p>    username = db.Column(db.String(20), unique=True, nullable=False)<\/p>\n<p>@login_manager.user_loader<\/p>\n<p>def load_user(user_id):<\/p>\n<p>    return User.query.get(int(user_id))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b9e\u73b0\u767b\u5f55\u548c\u767b\u51fa\u529f\u80fd\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">@app.route(&#39;\/login&#39;, methods=[&#39;GET&#39;, &#39;POST&#39;])<\/p>\n<p>def login():<\/p>\n<p>    if request.method == &#39;POST&#39;:<\/p>\n<p>        user = User.query.filter_by(username=request.form[&#39;username&#39;]).first()<\/p>\n<p>        if user:<\/p>\n<p>            login_user(user)<\/p>\n<p>            return redirect(url_for(&#39;dashboard&#39;))<\/p>\n<p>    return render_template(&#39;login.html&#39;)<\/p>\n<p>@app.route(&#39;\/logout&#39;)<\/p>\n<p>@login_required<\/p>\n<p>def logout():<\/p>\n<p>    logout_user()<\/p>\n<p>    return redirect(url_for(&#39;index&#39;))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4fdd\u62a4\u8def\u7531\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">@app.route(&#39;\/dashboard&#39;)<\/p>\n<p>@login_required<\/p>\n<p>def dashboard():<\/p>\n<p>    return &#39;This is the dashboard!&#39;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u516d\u3001\u90e8\u7f72Flask\u5e94\u7528<\/p>\n<\/p>\n<p><p>\u5728\u672c\u5730\u5f00\u53d1\u5b8c\u6210\u540e\uff0c\u90e8\u7f72Flask\u5e94\u7528\u662f\u5c06\u5176\u4e0a\u7ebf\u7684\u5173\u952e\u6b65\u9aa4\u3002\u53ef\u4ee5\u9009\u62e9\u591a\u79cd\u90e8\u7f72\u65b9\u5f0f\uff0c\u5982\u4f7f\u7528Gunicorn\u4e0eNginx\u914d\u5408\uff0c\u6216\u4f7f\u7528\u4e91\u670d\u52a1\u5e73\u53f0\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528Gunicorn<\/strong><\/p>\n<\/p>\n<p><p>Gunicorn\u662fPython\u7684WSGI HTTP\u670d\u52a1\u5668\uff0c\u9002\u5408\u4e8e\u751f\u4ea7\u73af\u5883\u3002<\/p>\n<\/p>\n<p><p>\u5b89\u88c5Gunicorn\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install gunicorn<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u542f\u52a8Flask\u5e94\u7528\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">gunicorn -w 4 yourapp:app<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u91cc\uff0c<code>-w 4<\/code>\u8868\u793a\u4f7f\u75284\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u6765\u5904\u7406\u8bf7\u6c42\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528Nginx\u53cd\u5411\u4ee3\u7406<\/strong><\/p>\n<\/p>\n<p><p>Nginx\u53ef\u4ee5\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5c06\u8bf7\u6c42\u8f6c\u53d1\u7ed9Gunicorn\u3002<\/p>\n<\/p>\n<p><p>\u914d\u7f6eNginx\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-nginx\">server {<\/p>\n<p>    listen 80;<\/p>\n<p>    server_name yourdomain.com;<\/p>\n<p>    location \/ {<\/p>\n<p>        proxy_pass http:\/\/127.0.0.1:8000;<\/p>\n<p>        proxy_set_header Host $host;<\/p>\n<p>        proxy_set_header X-Real-IP $remote_addr;<\/p>\n<p>        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;<\/p>\n<p>        proxy_set_header X-Forwarded-Proto $scheme;<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u542f\u52a8Nginx\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">sudo systemctl start nginx<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Python\u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u7684\u7f51\u9875\u5236\u4f5c\u8fc7\u7a0b\u3002\u4ece\u6846\u67b6\u9009\u62e9\u3001\u6a21\u677f\u6e32\u67d3\u3001\u8868\u5355\u5904\u7406\u3001\u6570\u636e\u5e93\u96c6\u6210\uff0c\u5230\u7528\u6237\u8ba4\u8bc1\u548c\u6700\u7ec8\u90e8\u7f72\uff0cFlask\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7075\u6d3b\u800c\u5f3a\u5927\u7684\u5e73\u53f0\uff0c\u9002\u5408\u4ece\u7b80\u5355\u5230\u590d\u6742\u7684Web\u5e94\u7528\u5f00\u53d1\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u4e3a\u60a8\u63d0\u4f9b\u6709\u4ef7\u503c\u7684\u53c2\u8003\u548c\u5e2e\u52a9\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5f00\u59cb\u4f7f\u7528Python\u5236\u4f5c\u7f51\u9875\uff1f<\/strong><br \/>\u8981\u5f00\u59cb\u4f7f\u7528Python\u5236\u4f5c\u7f51\u9875\uff0c\u9996\u5148\u9700\u8981\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684Web\u6846\u67b6\u3002Flask\u548cDjango\u662f\u4e24\u4e2a\u975e\u5e38\u6d41\u884c\u7684\u9009\u62e9\u3002Flask\u9002\u5408\u5c0f\u578b\u9879\u76ee\uff0c\u6613\u4e8e\u4e0a\u624b\uff0c\u800cDjango\u5219\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u529f\u80fd\u548c\u66f4\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u9002\u5408\u5927\u578b\u9879\u76ee\u3002\u4f60\u53ef\u4ee5\u5728\u672c\u5730\u73af\u5883\u4e2d\u5b89\u88c5\u8fd9\u4e9b\u6846\u67b6\uff0c\u5e76\u901a\u8fc7\u7f16\u5199Python\u4ee3\u7801\u6765\u5904\u7406\u8bf7\u6c42\u548c\u54cd\u5e94\uff0c\u751f\u6210\u52a8\u6001\u7f51\u9875\u5185\u5bb9\u3002<\/p>\n<p><strong>\u4f7f\u7528Python\u5236\u4f5c\u7f51\u9875\u7684\u57fa\u7840\u77e5\u8bc6\u6709\u54ea\u4e9b\uff1f<\/strong><br \/>\u5728\u4f7f\u7528Python\u5236\u4f5c\u7f51\u9875\u4e4b\u524d\uff0c\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u77e5\u8bc6\u975e\u5e38\u91cd\u8981\u3002\u8fd9\u5305\u62ecHTML\u548cCSS\u7684\u57fa\u672c\u8bed\u6cd5\uff0c\u5982\u4f55\u4f7f\u7528Python\u5904\u7406HTTP\u8bf7\u6c42\uff0c\u4ee5\u53ca\u5982\u4f55\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u3002\u5982\u679c\u4f60\u6253\u7b97\u4f7f\u7528Flask\u6216Django\uff0c\u5b66\u4e60\u5b83\u4eec\u7684\u8def\u7531\u7cfb\u7edf\u3001\u6a21\u677f\u5f15\u64ce\u548cORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u5c06\u5bf9\u4f60\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n<p><strong>Python\u5236\u4f5c\u7f51\u9875\u7684\u5e38\u89c1\u9519\u8bef\u6709\u54ea\u4e9b\uff1f<\/strong><br 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[&hellip;]","protected":false},"author":3,"featured_media":989197,"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\/989177"}],"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=989177"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/989177\/revisions"}],"predecessor-version":[{"id":989199,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/989177\/revisions\/989199"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/989197"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=989177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=989177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=989177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}