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@admin.route('/js/<path:path>')
def send_js(path):
	#使用app的static,那么路径会从static文件夹下算
	#如果用蓝图,就会从/static/蓝图名 下算
	#如果想从根目录,则看第三个例子
    return current_app.send_static_file('js/'+path)

@admin.route('/css/<path:path>')
def send_css(path):
    return current_app.send_static_file('css/'+path)

	
@app.route('/js/<path:path>')
def send_js(path):
    return send_from_directory('js', path)