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Echarts學習:Django快速整合Echarts

django快速使用echarts準備

1.線上定製下載echarts
https://echarts.apache.org/zh/builder.html

2.建立一個django專案或者在已有的專案
1.配置檔案中確保資料庫配置、static配置、與新增專案名到INSTALLED_APPS下。
2.配置靜態檔案目錄static,目錄下建立:css、img、js。

3.儲存echarts.min.js到js目錄下。

快速靜態測試

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <
title>ECharts</title> <!-- 引入 echarts.js --> {% load static %} <script src="{% static '/js/echarts.min.js' %}"></script> </head> <body> <!-- 為ECharts準備一個具備大小(寬高)的Dom --> <div id="main" style="width: 600px;height:400px;"></div> <
script type="text/javascript"> // 基於準備好的dom,初始化echarts例項 var myChart = echarts.init(document.getElementById('main')); // 指定圖表的配置項和資料 var option = { title: { text: 'ECharts 入門示例' }, tooltip: {}, legend: { data:[
'銷量'] }, xAxis: { data: ["襯衫","羊毛衫","雪紡衫","褲子","高跟鞋","襪子"] }, yAxis: {}, series: [{ name: '銷量', type: 'bar', data: [5, 20, 36, 10, 10, 20] }] }; // 使用剛指定的配置項和資料顯示圖表。 myChart.setOption(option); </script> </body> </html>
html檔案
from django.urls import path
from app.views import TestView

urlpatterns = [
    path('test/',TestView.as_view()),
]
urls檔案
from django.shortcuts import render
from rest_framework.views import View
from rest_framework.response import Response


class TestView(View):
    def dispatch(self, request, *args, **kwargs):
        """
        請求到來之後,都要執行dispatch方法,dispatch方法根據請求方式不同觸發 get/post/put等方法

        注意:APIView中的dispatch方法有好多好多的功能
        """
        return super().dispatch(request, *args, **kwargs)

    def get(self, request, *args, **kwargs):
        return render(request, "test.html")

    def post(self, request, *args, **kwargs):
        return Response('POST請求,響應內容')

    def put(self, request, *args, **kwargs):
        return Response('PUT請求,響應內容')
View檔案

django獲取資料庫中的資料傳遞給echarts

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>ECharts</title>
    <!-- 引入 echarts.js -->
    {% load static %}
    <script src="{% static '/js/echarts.min.js' %}"></script>
</head>
<body>
    <div id="main" style="width: 600px;height:400px;"></div>
    <script type="text/javascript">
    // 基於準備好的dom,初始化echarts例項
    console.log(name)
    var myChart = echarts.init(document.getElementById('main'));

    // 指定圖表的配置項和資料
    var option = {
        title: {
            text: 'ECharts 入門示例'
        },
        tooltip: {},
        legend: {
            data: ['銷量']
        },
        xAxis: {
            data: {{ name|safe }}
        },
        yAxis: {},
        series: [{
            name: '銷量',
            type: 'bar',
            data:{{ data|safe }}
        }]
    };

    // 使用剛指定的配置項和資料顯示圖表。
    myChart.setOption(option);
    </script>
</body>
</html>
html檔案
from django.urls import path
from app.views import TestView1

urlpatterns = [
    path('test1/',TestView1.as_view()),
]
urls檔案
from django.shortcuts import render
from rest_framework.views import APIView,View
from rest_framework.response import Response
from rest_framework.request import Request
from django.http import JsonResponse
from serail import ser
import json



class TestView(View):
    def dispatch(self, request, *args, **kwargs):
        """
        請求到來之後,都要執行dispatch方法,dispatch方法根據請求方式不同觸發 get/post/put等方法

        注意:APIView中的dispatch方法有好多好多的功能
        """
        return super().dispatch(request, *args, **kwargs)

    def get(self, request, *args, **kwargs):
        return render(request, "test.html")

    def post(self, request, *args, **kwargs):
        return Response('POST請求,響應內容')

    def put(self, request, *args, **kwargs):
        return Response('PUT請求,響應內容')

class TestView1(View):
    def dispatch(self, request, *args, **kwargs):
        """
        請求到來之後,都要執行dispatch方法,dispatch方法根據請求方式不同觸發 get/post/put等方法

        注意:APIView中的dispatch方法有好多好多的功能
        """
        return super().dispatch(request, *args, **kwargs)

    def get(self, request, *args, **kwargs):
        name = ["襯衫","羊毛衫","雪紡衫","褲子","高跟鞋","襪子"]
        data = [56, 40, 54, 23, 12, 31]
        return render(request, "test1.html",{"name":name,"data":data})

    def post(self, request, *args, **kwargs):
        return Response('POST請求,響應內容')

    def put(self, request, *args, **kwargs):
        return Response('PUT請求,響應內容')