from flask import Flask,render_template app = Flask(__name__) @app.route('/') def hello_world(): return render_template('set_with_statement.html') if __name__ == '__main__': app.run(debug=True)
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>知了学堂</title> </head> <body> <!--只有set设置了变量，在哪里都可以用--> {% set username = "xiaowu" %} <p>{{ username }}</p> <!--如果想设置的变量，只能在某一区域能用就是用with来设置--> {% with classroom = "python一班" %} <p>班级：{{ classroom }}</p> {% endwith %} </body> </html>
