第一章:ECharts简介与安装
1.1 ECharts是什么?
ECharts是一个使用JavaScript实现的开源可视化库,可以轻松实现各种数据图表的展示。它具有丰富的图表类型,包括折线图、柱状图、饼图、散点图、地图、雷达图、K线图等,同时还支持3D图表的绘制。
1.2 安装ECharts
- 下载ECharts:访问ECharts官网(http://echarts.baidu.com/)下载最新版本的ECharts库。
- 引入ECharts:将下载的ECharts库引入到你的项目中。如果你使用的是HTML页面,可以直接将ECharts库的链接添加到
<head>标签中。
<script src="path/to/echarts.min.js"></script>
第二章:ECharts基本使用
2.1 初始化ECharts实例
在使用ECharts之前,首先需要初始化一个ECharts实例。
var myChart = echarts.init(document.getElementById('main'));
2.2 配置ECharts图表
ECharts图表的配置主要包括以下几部分:
- 标题(title):设置图表的标题、副标题等。
- 工具栏(toolbox):提供一些常用的图表操作工具,如数据视图、数据导出等。
- 图例(legend):显示图表中的系列名称和图例。
- 提示框(tooltip):显示鼠标悬停时图表元素的详细信息。
- 坐标轴(axis):设置图表的坐标轴。
- 系列(series):定义图表中的数据系列。
以下是一个简单的柱状图配置示例:
var option = {
title: {
text: '柱状图示例'
},
tooltip: {},
legend: {
data:['销量']
},
xAxis: {
data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
},
yAxis: {},
series: [{
name: '销量',
type: 'bar',
data: [5, 20, 36, 10, 10, 20]
}]
};
2.3 渲染ECharts图表
将配置对象option赋值给ECharts实例的setOption方法,即可渲染图表。
myChart.setOption(option);
第三章:3D图表制作
3.1 3D柱状图
ECharts提供了丰富的3D图表类型,其中3D柱状图是最常用的一种。
var option = {
title: {
text: '3D柱状图示例'
},
tooltip: {},
legend: {
data:['销量']
},
xAxis3D: {
data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
},
yAxis3D: {},
zAxis3D: {},
series: [{
name: '销量',
type: 'bar',
data: [5, 20, 36, 10, 10, 20],
shading: 'color',
label: {
show: true,
position: 'middle',
formatter: '{b}: {c}'
},
itemStyle: {
color: 'auto'
}
}]
};
3.2 3D散点图
3D散点图可以用来展示多维数据之间的关系。
”`javascript var option = {
title: {
text: '3D散点图示例'
},
tooltip: {},
legend: {
data:['销量']
},
xAxis3D: {
type: 'value'
},
yAxis3D: {
type: 'value'
},
zAxis3D: {
type: 'value'
},
series: [{
name: '销量',
type: 'scatter',
data: [
[10.0, 8.04, 5.9],
[8.0, 6.95, 7.58],
[13.0, 7.17, 4.96],
[9.0, 3.5, 4.42],
[11.0, 4.54, 5.67],
[7.0, 4.34, 5.24],
[4.0, 2.28, 3.66],
[12.0, 5.92, 2.82],
[9.0, 3.1, 4.38],
[14.0, 6.46, 4.76],
[13.0, 7.24, 4.26],
[3.0, 1.38, 4.74],
[8.0, 6.58, 3.76],
[7.0, 4.42, 2.5],
[2.0, 5.67, 4.33],
[5.0, 3.33, 7.26],
[2.0, 2.78, 6.02],
[3.0, 2.82, 5.74],
[7.0, 4.2, 6.42],
[8.0, 5.5, 4.09],
[5.0, 5.01, 3.2],
[6.0, 6.33, 3.66],
[4.0, 3.96, 3.75],
[11.0, 4.89, 4.38],
[8.0, 5.68, 4.78],
[7.0, 4.69, 5.29],
[6.0, 5.5, 4.3],
[5.0, 4.42, 2.54],
[6.0, 5.2, 3.78],
[7.0, 5.87, 4.17],
[4.0, 4.34, 2.47],
[2.0, 4.27, 3.2],
[8.0, 5.38, 4.94],
[7.0, 5.42, 2.74],
[7.0, 4.87, 4.23],
[4.0, 4.89, 4.32],
[2.0, 2.34, 3.02],
[2.0, 7.68, 6.58],
[7.0, 3.79, 5.7],
[5.0, 5.86, 2.39],
[6.0, 3.76, 4.38],
[4.0, 3.67, 4.42],
[7.0, 4.16, 4.95],
[5.0, 4.42, 5.66],
[4.0, 4.50, 3.38],
[2.0, 4.14, 5.57],
[8.0, 4.74, 4.36],
[7.0, 4.38, 5.84],
[6.0, 5.28, 3.17],
[4.0, 5.16, 4.97],
[1.0, 5.92, 2.59],
[8.0, 6.00, 3.41],
[8.0, 5.89, 4.38],
[7.0, 6.83, 4.27],
[8.0, 5.77, 4.17],
[7.0, 6.02, 5.9],
[5.0, 5.57, 4.87],
[8.0, 5.29, 2.54],
[6.0, 5.72, 3.51],
[4.0, 5.74, 4.23],
[7.0, 4.90, 3.46],
[6.0, 4.42, 3.27],
[5.0, 5.40, 2.24],
[7.0, 4.61, 4.42],
[4.0, 5.75, 2.78],
[7.0, 4.29, 5.42],
[6.0, 5.18, 4.68],
[8.0, 5.10, 2.29],
[7.0, 5.19, 2.36],
[8.0, 5.75, 4.65],
[3.0, 5.48, 4.38],
[4.0, 3.75, 4.11],
[8.0, 5.89, 4.32],
[7.0, 6.29, 5.21],
[8.0, 6.42, 3.77],
[8.0, 5.87, 3.46],
[7.0, 6.38, 5.04],
[6.0, 5.84, 4.26],
[5.0, 5.47, 3.82],
[6.0, 5.37, 4.8],
[4.0, 5.87, 4.32],
[7.0, 5.59, 4.62],
[6.0, 5.42, 5.97],
[5.0, 5.33, 3.89],
[6.0, 5.92, 4.42],
[7.0, 5.69, 4.46],
[6.0, 5.63, 3.03],
[4.0, 5.27, 3.9],
[8.0, 5.98, 4.50],
[7.0, 6.15, 4.36],
[6.0, 5.48, 4.38],
[4.0, 5.38, 2.94],
[7.0, 5.23, 3.61],
[6.0, 5.67, 3.77],
[8.0, 5.87, 4.17],
[6.0, 5.26, 3.87],
[4.0, 4.74, 4.26],
[3.0, 6.77, 3.6],
[4.0, 5.67, 4.34],
[7.0, 4.7, 4.17],
[8.0, 4.67, 3.1],
[7.0, 4.34, 4.77],
[8.0, 4.87, 4.42],
[8.0, 5.67, 4.33],
[7.0, 5.67, 4.34],
[6.0, 5.33, 3.89],
[6.0, 5.29, 2.43],
[4.0, 5.27, 3.9],
[8.0, 5.23, 3.61],
[7.0, 5.02, 4.42],
[4.0, 5.83, 4.4],
[7.0, 5.76, 4.8],
[8.0, 5.5, 4.42],
[3.0, 5.5, 4.42],
[5.0, 5.17, 4.2],
[7.0, 5.16, 4.34],
[6.0, 5.12, 3.5],
[4.0, 5.09, 4.2],
[6.0, 5.04, 3.34],
[7.0, 5.01, 3.68],
[6.0, 4.99, 3.23],
[4.0, 4.96, 3.27],
[7.0, 4.91, 4.15],
[6.0, 4.85, 3.46],
[7.0, 4.79, 3.86],
[8.0, 4.75, 4.65],
[6.0, 4.74, 3.28],
[7.0, 4.7, 3.85],
[8.0, 4.67, 3.67],
[7.0, 4.64, 3.86],
[6.0, 4.62, 3.2],
[4.0, 4.6, 3.4],
[7.0, 4.58, 3.9],
[8.0, 4.57, 4.02],
[7.0, 4.54, 3.65],
[6.0, 4.52, 3.94],
[7.0, 4.5, 4.26],
[8.0, 4.48, 4.38],
[7.0, 4.46, 4.02],
[6.0, 4.44, 3.27],
[4.0, 4.42, 3.32],
[7.0, 4.4, 4.15],
[8.0, 4.38, 4.42],
[7.0, 4.36, 4.02],
[6.0, 4.34, 3.34],
[7.0, 4.32, 3.67],
[8.0, 4.3, 4.02],
[7.0, 4.28, 4.15],
[6.0, 4.26, 3.46],
[4.0, 4.24, 3.27],
[7.0, 4.22, 3.86],
[8.0, 4.2, 4.02],
[7.0, 4.18, 4.15],
[6.0, 4.16, 3.46],
[4.0, 4.14, 3.27],
[7.0, 4.12, 3.86],
[8.0, 4.1, 4.02],
[7.0, 4.08, 4.15],
[6.0, 4.06, 3.46],
[4.0, 4.04, 3.27],
[7.0, 4.02, 3.86],
[8.0, 4.0, 4.02],
[7.0, 3.98, 4.15],
[6.0, 3.96, 3.46],
[4.0, 3.94, 3.27],
[7.0, 3.92, 3.86],
[8.0, 3.9, 4.02],
[7.0, 3.88, 4.15],
[6.0, 3.86, 3.46],
[4.0, 3.84, 3.27],
[7.0, 3.82, 3.86],
[8.0, 3.8, 4.02],
[7.0, 3.78, 4.15],
[6.0, 3.76, 3.46],
[4.0, 3.74, 3.27],
[7.0, 3.72, 3.86],
[8.0, 3.7, 4.02],
[7.0, 3.68, 4.15],
[6.0, 3.66, 3.46],
[4.0, 3.64, 3.27],
[7.0, 3.62, 3.86],
[8.0, 3.6, 4.02],
[7.0, 3.58, 4.15],
[6.0, 3.56, 3.46],
[4.0, 3.54, 3.27],
[7.0, 3.52, 3.86],
[8.0, 3.5, 4.02],
[7.0, 3.48, 4.15],
[6.0, 3.46, 3.46],
[4.0, 3.44, 3.27],
[7.0, 3.42, 3.86],
[8.0, 3.4, 4.02],
[7.0, 3.38, 4.15],
[6.0, 3.36, 3.46],
[4.0, 3.34, 3.27],
[7.0, 3.32, 3.86],
[8.0, 3.3, 4.02],
[7.0, 3.28, 4.15],
[6.0, 3.26, 3.46],
[4.0, 3.24, 3.27],
[7.0, 3.22, 3.86],
[8.0, 3.2
