[Python知识库]Django plotly折线图 解决日期格式无法显示问题

# -*- coding: utf-8 -*-
# @File    : views.py
# @Time    : 2022/1/2 22:12
# @Author  : Cocktail_py

from django.views import View
import plotly
from django.shortcuts import render
from plotly.offline import plot
from plotly.graph_objs import Scatter
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from . import models

# 视图函数
class GoodDetail(View):
	# 商品id
    def get(self, request, detail_id):
    	# 根据id获取相应数据
        data_list = list(
            models.DWGoodInfo.objects.filter(detail_id=detail_id).order_by('-update_time').values())
        x_data = []
        y_data = []
        for da in data_list:
            update_time = str(da.get("update_time", ""))
            # 日期格式:2022-01-02 15:21:27
            x_data.append(update_time)
            y_data.append(da.get("price", 0))
        # x_data = [0, 1, 2, 3]
        # y_data = [x ** 2 for x in x_data]

        layout = plotly.graph_objs.Layout(xaxis={'type': 'category'})
        data = Scatter(x=x_data, y=y_data, mode='lines', name='test', opacity=0.8, marker_color='red')
        fig = plotly.graph_objs.Figure([data], layout)
        plot_div = plot(fig, output_type='div')
        context = {'plot_div': plot_div}
        return render(request, 'detail.html', context=context)

<!--    相应templates/detail.html-->
{{ plot_div | safe }}

# 路由
from django.urls import path
urlpatterns = [
    path('detail/<detail_id>', GoodDetail.as_view(),name='detail'),
]

参考:
https://www.coder.work/article/4940159
https://debug.casa/read-10623781.html
https://cloud.tencent.com/developer/article/1632737