from flask import Flask, render_templateapp = Flask(__name__)@app.route("/one")def get_one():    return render_template("one.html")@app.route("/two")def get_two():    return render_template("two.html")if __name__ == '__main__':    app.run(debug=True)#base.html    
             
     
      Header
     
    
     
              {
    % block content %}        {
    % endblock %}    
     
    
     
      Footer
     
#one.html{% extends "base.html" %}{
    % block content %}    
这恐怕是第一页
{
    % endblock %}#two.html{% extends "base.html" %}{
    % block content %}    
这应该是第二页
{
    % endblock %}