from flask import Flask,render_template,url_for app = Flask(__name__) @app.route('/') def index(): return render_template('index.html') @app.route('/login/') def login(): return render_template('login.html') if __name__ == '__main__': app.run(debug=True) 在html中 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>title</title> <link rel="stylesheet" href="{{url_for('static',filename='css/index.css') }}"> <script src="{{ url_for('static',filename='js/index.js') }}"></script> </head> <body> <a href="{{ url_for('login') }}">登录</a> <img src="{{ url_for('static',filename='images/zide.jpg') }}"> </body> </html> a{ color: black; background: red; } <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>title</title> </head> <body> <h1>这是登录页面</h1> </body> </html> 文章来源: https://blog.csdn.net/qq_41175951/article/details/90347986