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  • 从零开始学Flask框架-007

    Flash消息

    from flask import flash

    渲染Flash消息,在基模板base.html中引入get_flashed_messages()

    {% extends "bootstrap/base.html" %}
    {% import "bootstrap/wtf.html" as wtf %}
    {% block title %}Flasky{% endblock %}
    {#引入moment.js 库#}
    {% block scripts %}
        {{ super() }}
        {{ moment.include_moment() }}
    {% endblock %}
    {#包含导航条的程序基模板#}
    {% block navbar %}
        <div class="navbar navbar-inverse" role="navigation">
            <div class="container">
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle"
                            data-toggle="collapse" data-target=".navbar-collapse">
                        <span class="sr-only">Toggle navigation</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                    <a class="navbar-brand" href="/">TEST</a>
                </div>
                <div class="navbar-collapse collapse">
                    <ul class="nav navbar-nav">
                        <li><a href="/">Home</a></li>
                    </ul>
                </div>
            </div>
        </div>
    {% endblock %}
    {% block content %}
        <div class="container">
            <div class="alert alert-warning">
                <button type="button" class="close" data-dismiss="alert">&times;</button>
                {% for message in get_flashed_messages() %}
                    {{ message }}
                {% endfor %}
                {% block page_content %}{% endblock %}
        </div>
    {% endblock %}


    flash.html

    {% extends "base.html" %}


    index.html

    @app.route('/flash')
    def flash_test():
        if True:
            flash('12313213213')
            redirect('flash.html')
        return  render_template('flash.html')

    运行结果

    image

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  • 原文地址:https://www.cnblogs.com/zhouwp/p/11911201.html
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