flask之Jinja2过滤器使用

2019-12-24 20 Comments 12159 Views 0 Times 
局部函数 -- 只能在传入的template中使用，直接定义，传递

      def add_num(a,b):
        return int(a) + int(b)

    返回时：
        return render_template('..html','add_num':add_num)

    使用：
        {{add_num(1,2)}}

全局  -- 全局使用

    django 的 filter可以当做if条件

    需要 @app.template_global()装饰器   
         def func(a,b,c)  --->>  全局temlate使用 {{func(a,b,c)}}

      和 @app.template_filter()装饰器
         def func(a,b,c)  --->>  全局temlate使用 {{a|filter(b,c)}}  # 需要管道符

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