Effect picture: (the kind that will also have an effect when moved)
Step 1: Install echarts and echarts-gl in vue
npm install echarts
npm install echarts-gl
Note: I don't know if the version difference will have an impact (you can specify the version or learn from mine)
Specify the version command by adding @ followed by the version number
npm install echarts-gl@2.0.9
After success, you can check whether the installation is successful in package.json (as shown above)
Step 2: Introduce in the vue file
Import location: I did not reference it globally in main.js, but import it wherever it is used by the page
code:
import * as echarts from 'echarts'
import 'echarts-gl';
Step 3: Implement specific code (complete)
Note: I didn't encapsulate it (you can also implement it directly on the page first, and then consider the encapsulation requirements)
1. There is a container for the pie chart (you can copy all of them to achieve the effect successfully)
<!-- 饼图 -->
<div class="container">
<div class="chartsGl" id="charts"></div>
<!-- 饼图下面的底座 -->
<div class="buttomCharts"></div>
</div>
2. Corresponding style
//饼图(外面的容器)
.container {
width: 100%;
height: 100%;
}
//饼图的大小
.chartsGl {
height: 200px;
width: 400px;
}
//饼图底座（我也想给你们底座图片 可是我不知道咋给）
.buttomCharts{
background: center top url(/src/assets/images/bg/buttom-charts.png) no-repeat;
background-size: cover;
height: 78px;
width: 180px;
margin-top: -155px;
margin-left: 18%;
}
3. Pie chart data
data() {
return {
//饼图数据+颜色
optionData: [
{
name: '休闲室',//名称
value: 19,//值
itemStyle: {
//颜色 紫色
color: 'rgba(123, 167, 212,1)'
}
}, {
name: '羽毛球室',//蓝色
value: 13,
itemStyle: {
color: 'rgba(98, 195, 250,1)',
}
}, {
name: '瑜伽室',//绿色
value: 15,
itemStyle: {
color: 'rgba(140, 189, 107,1)'
}},
{
name: '动感单车室',//橙色
value: 16,
itemStyle: {
color: 'rgba(245, 182, 94,1)'
}}
,
{
name: '兵乓球室',//黄色
value: 5,
itemStyle: {
color: 'rgba(237, 222, 111,1)'
}}
],
}
},
4. Call mouted in the hook
mounted() {
this.$nextTick(function() {
this.init();
});
},
5. Specific method methods (for your convenience to modify the style, I will try to give comments as much as possible)
//初始化构建
init() {
//构建3d饼状图
let myChart = echarts.init(document.getElementById('charts'));
// 传入数据生成 option ; getPie3D(数据，透明的空心占比（调节中间空心范围的0就是普通饼1就很镂空）)
this.option = this.getPie3D(this.optionData, 0.85);
//将配置项设置进去
myChart.setOption(this.option);
//鼠标移动上去特效效果
this.bindListen(myChart);
},
//配置构建 pieData 饼图数据 internalDiameterRatio:透明的空心占比
getPie3D(pieData, internalDiameterRatio) {
let that = this;
let series = [];
let sumValue = 0;
let startValue = 0;
let endValue = 0;
let legendData = [];
let legendBfb = [];
let k = 1 - internalDiameterRatio;
pieData.sort((a, b) => {
return (b.value - a.value);
});
// 为每一个饼图数据，生成一个 series-surface(参数曲面) 配置
for (let i = 0; i < pieData.length; i++) {
sumValue += pieData[i].value;
let seriesItem = {
//系统名称
name: typeof pieData[i].name === 'undefined' ? `series${
i}` : pieData[i].name,
type: 'surface',
//是否为参数曲面（是）
parametric: true,
//曲面图网格线（否）上面一根一根的
wireframe: {
show: false
},
pieData: pieData[i],
pieStatus: {
selected: false,
hovered: false,
k: k
},
//设置饼图在容器中的位置(目前没发现啥用)
// center: ['50%', '100%']
};
//曲面的颜色、不透明度等样式。
if (typeof pieData[i].itemStyle != 'undefined') {
let itemStyle = {
};
typeof pieData[i].itemStyle.color != 'undefined' ? itemStyle.color = pieData[i].itemStyle.color : null;
typeof pieData[i].itemStyle.opacity != 'undefined' ? itemStyle.opacity = pieData[i].itemStyle.opacity : null;
seriesItem.itemStyle = itemStyle;
}
series.push(seriesItem);
}
// 使用上一次遍历时，计算出的数据和 sumValue，调用 getParametricEquation 函数，
// 向每个 series-surface 传入不同的参数方程 series-surface.parametricEquation，也就是实现每一个扇形。
legendData = [];
legendBfb = [];
for (let i = 0; i < series.length; i++) {
endValue = startValue + series[i].pieData.value;
series[i].pieData.startRatio = startValue / sumValue;
series[i].pieData.endRatio = endValue / sumValue;
series[i].parametricEquation = this.getParametricEquation(series[i].pieData.startRatio, series[i].pieData.endRatio,
false, false, k, series[i].pieData.value);
startValue = endValue;
let bfb = that.fomatFloat(series[i].pieData.value / sumValue, 4);
legendData.push({
name: series[i].name,
value: bfb
});
legendBfb.push({
name: series[i].name,
value: bfb
});
}
//(第二个参数可以设置你这个环形的高低程度)
let boxHeight = this.getHeight3D(series, 13);//通过传参设定3d饼/环的高度
// 准备待返回的配置项，把准备好的 legendData、series 传入。
let option = {
//图例组件
legend: {
data: legendData,
//图例列表的布局朝向。
orient: 'horizontal',
left: 10,
top: 140,
//图例文字每项之间的间隔
itemGap: 15,
textStyle: {
color: '#A1E2FF',
},
show: true,
icon: "circle",
//格式化图例文本（我是数值什么显示什么）
formatter: function (name) {
var target;
for (var i = 0, l =pieData.length; i < l; i++) {
if (pieData[i].name == name) {
target = pieData[i].value;
}
}
return `${
name}: ${
target}`;
}
// 这个可以显示百分比那种（可以根据你想要的来配置）
// formatter: function(param) {
// let item = legendBfb.filter(item => item.name == param)[0];
// let bfs = that.fomatFloat(item.value * 100, 2) + "%";
// console.log(item.name)
// return `${item.name} :${bfs}`;
// }
},
//移动上去提示的文本内容(我没来得及改 你们可以根据需求改)
tooltip: {
formatter: params => {
if (params.seriesName !== 'mouseoutSeries' && params.seriesName !== 'pie2d') {
let bfb = ((option.series[params.seriesIndex].pieData.endRatio - option.series[params.seriesIndex].pieData.startRatio) *
100).toFixed(2);
return `${
params.seriesName}<br/>` +
`<span style="display:inline-block;margin-right:5px;border-radius:10px;width:10px;height:10px;background-color:${params.color};"></span>` +
`${
bfb }`;
}
}
},
//这个可以变形
xAxis3D: {
min: -1,
max: 1
},
yAxis3D: {
min: -1,
max: 1
},
zAxis3D: {
min: -1,
max: 1
},
//此处是修改样式的重点
grid3D: {
show: false,
boxHeight: boxHeight, //圆环的高度
//这是饼图的位置
top: '-20.5%',
left:'-15%',
viewControl: {
//3d效果可以放大、旋转等，请自己去查看官方配置
alpha: 30, //角度(这个很重要 调节角度的)
distance: 200,//调整视角到主体的距离，类似调整zoom(这是整体大小)
rotateSensitivity: 0, //设置为0无法旋转
zoomSensitivity: 0, //设置为0无法缩放
panSensitivity: 0, //设置为0无法平移
autoRotate: false //自动旋转
}
},
series: series
};
return option;
},
//获取3d丙图的最高扇区的高度
getHeight3D(series, height) {
series.sort((a, b) => {
return (b.pieData.value - a.pieData.value);
})
return height * 25 / series[0].pieData.value;
},
// 生成扇形的曲面参数方程，用于 series-surface.parametricEquation
getParametricEquation(startRatio, endRatio, isSelected, isHovered, k, h) {
// 计算
let midRatio = (startRatio + endRatio) / 2;
let startRadian = startRatio * Math.PI * 2;
let endRadian = endRatio * Math.PI * 2;
let midRadian = midRatio * Math.PI * 2;
// 如果只有一个扇形，则不实现选中效果。
if (startRatio === 0 && endRatio === 1) {
isSelected = false;
}
// 通过扇形内径/外径的值，换算出辅助参数 k（默认值 1/3）
k = typeof k !== 'undefined' ? k : 1 / 3;
// 计算选中效果分别在 x 轴、y 轴方向上的位移（未选中，则位移均为 0）
let offsetX = isSelected ? Math.cos(midRadian) * 0.1 : 0;
let offsetY = isSelected ? Math.sin(midRadian) * 0.1 : 0;
// 计算高亮效果的放大比例（未高亮，则比例为 1）
let hoverRate = isHovered ? 1.05 : 1;
// 返回曲面参数方程
return {
u: {
min: -Math.PI,
max: Math.PI * 3,
step: Math.PI / 32
},
v: {
min: 0,
max: Math.PI * 2,
step: Math.PI / 20
},
x: function(u, v) {
if (u < startRadian) {
return offsetX + Math.cos(startRadian) * (1 + Math.cos(v) * k) * hoverRate;
}
if (u > endRadian) {
return offsetX + Math.cos(endRadian) * (1 + Math.cos(v) * k) * hoverRate;
}
return offsetX + Math.cos(u) * (1 + Math.cos(v) * k) * hoverRate;
},
y: function(u, v) {
if (u < startRadian) {
return offsetY + Math.sin(startRadian) * (1 + Math.cos(v) * k) * hoverRate;
}
if (u > endRadian) {
return offsetY + Math.sin(endRadian) * (1 + Math.cos(v) * k) * hoverRate;
}
return offsetY + Math.sin(u) * (1 + Math.cos(v) * k) * hoverRate;
},
z: function(u, v) {
if (u < -Math.PI * 0.5) {
return Math.sin(u);
}
if (u > Math.PI * 2.5) {
return Math.sin(u) * h * .1;
}
return Math.sin(v) > 0 ? 1 * h * .1 : -1;
}
};
},
//这是一个自定义计算的方法
fomatFloat(num, n) {
var f = parseFloat(num);
if (isNaN(f)) {
return false;
}
f = Math.round(num * Math.pow(10, n)) / Math.pow(10, n); // n 幂
var s = f.toString();
var rs = s.indexOf('.');
//判定如果是整数，增加小数点再补0
if (rs < 0) {
rs = s.length;
s += '.';
}
while (s.length <= rs + n) {
s += '0';
}
return s;
},
// 监听鼠标事件，实现饼图选中效果（单选），近似实现高亮（放大）效果。
bindListen(myChart) {
let that = this;
let selectedIndex = '';
let hoveredIndex = '';
// 监听点击事件，实现选中效果（单选）
myChart.on('click', function(params) {
// 从 option.series 中读取重新渲染扇形所需的参数，将是否选中取反。
let isSelected = !that.option.series[params.seriesIndex].pieStatus.selected;
let isHovered = that.option.series[params.seriesIndex].pieStatus.hovered;
let k = that.option.series[params.seriesIndex].pieStatus.k;
let startRatio = that.option.series[params.seriesIndex].pieData.startRatio;
let endRatio = that.option.series[params.seriesIndex].pieData.endRatio;
// 如果之前选中过其他扇形，将其取消选中（对 option 更新）
if (selectedIndex !== '' && selectedIndex !== params.seriesIndex) {
that.option.series[selectedIndex].parametricEquation = that.getParametricEquation(that.option.series[
selectedIndex].pieData
.startRatio, that.option.series[selectedIndex].pieData.endRatio, false, false, k, that.option.series[
selectedIndex].pieData
.value);
that.option.series[selectedIndex].pieStatus.selected = false;
}
// 对当前点击的扇形，执行选中/取消选中操作（对 option 更新）
that.option.series[params.seriesIndex].parametricEquation = that.getParametricEquation(startRatio, endRatio,
isSelected,
isHovered, k, that.option.series[params.seriesIndex].pieData.value);
that.option.series[params.seriesIndex].pieStatus.selected = isSelected;
// 如果本次是选中操作，记录上次选中的扇形对应的系列号 seriesIndex
isSelected ? selectedIndex = params.seriesIndex : null;
// 使用更新后的 option，渲染图表
myChart.setOption(that.option);
});
// 监听 mouseover，近似实现高亮（放大）效果
myChart.on('mouseover', function(params) {
// 准备重新渲染扇形所需的参数
let isSelected;
let isHovered;
let startRatio;
let endRatio;
let k;
// 如果触发 mouseover 的扇形当前已高亮，则不做操作
if (hoveredIndex === params.seriesIndex) {
return;
// 否则进行高亮及必要的取消高亮操作
} else {
// 如果当前有高亮的扇形，取消其高亮状态（对 option 更新）
if (hoveredIndex !== '') {
// 从 option.series 中读取重新渲染扇形所需的参数，将是否高亮设置为 false。
isSelected = that.option.series[hoveredIndex].pieStatus.selected;
isHovered = false;
startRatio = that.option.series[hoveredIndex].pieData.startRatio;
endRatio = that.option.series[hoveredIndex].pieData.endRatio;
k = that.option.series[hoveredIndex].pieStatus.k;
// 对当前点击的扇形，执行取消高亮操作（对 option 更新）
that.option.series[hoveredIndex].parametricEquation = that.getParametricEquation(startRatio, endRatio,
isSelected,
isHovered, k, that.option.series[hoveredIndex].pieData.value);
that.option.series[hoveredIndex].pieStatus.hovered = isHovered;
// 将此前记录的上次选中的扇形对应的系列号 seriesIndex 清空
hoveredIndex = '';
}
// 如果触发 mouseover 的扇形不是透明圆环，将其高亮（对 option 更新）
if (params.seriesName !== 'mouseoutSeries' && params.seriesName !== 'pie2d') {
// 从 option.series 中读取重新渲染扇形所需的参数，将是否高亮设置为 true。
isSelected = that.option.series[params.seriesIndex].pieStatus.selected;
isHovered = true;
startRatio = that.option.series[params.seriesIndex].pieData.startRatio;
endRatio = that.option.series[params.seriesIndex].pieData.endRatio;
k = that.option.series[params.seriesIndex].pieStatus.k;
// 对当前点击的扇形，执行高亮操作（对 option 更新）
that.option.series[params.seriesIndex].parametricEquation = that.getParametricEquation(startRatio, endRatio,
isSelected, isHovered, k, that.option.series[params.seriesIndex].pieData.value + 5);
that.option.series[params.seriesIndex].pieStatus.hovered = isHovered;
// 记录上次高亮的扇形对应的系列号 seriesIndex
hoveredIndex = params.seriesIndex;
}
// 使用更新后的 option，渲染图表
myChart.setOption(that.option);
}
});
// 修正取消高亮失败的 bug
myChart.on('globalout', function() {
// 准备重新渲染扇形所需的参数
let isSelected;
let isHovered;
let startRatio;
let endRatio;
let k;
if (hoveredIndex !== '') {
// 从 option.series 中读取重新渲染扇形所需的参数，将是否高亮设置为 true。
isSelected = that.option.series[hoveredIndex].pieStatus.selected;
isHovered = false;
k = that.option.series[hoveredIndex].pieStatus.k;
startRatio = that.option.series[hoveredIndex].pieData.startRatio;
endRatio = that.option.series[hoveredIndex].pieData.endRatio;
// 对当前点击的扇形，执行取消高亮操作（对 option 更新）
that.option.series[hoveredIndex].parametricEquation = that.getParametricEquation(startRatio, endRatio,
isSelected,
isHovered, k, that.option.series[hoveredIndex].pieData.value);
that.option.series[hoveredIndex].pieStatus.hovered = isHovered;
// 将此前记录的上次选中的扇形对应的系列号 seriesIndex 清空
hoveredIndex = '';
}
// 使用更新后的 option，渲染图表
myChart.setOption(that.option);
});
}
}
Fourth: I want to talk about the precautions.
1. Because these codes are more complicated (I don’t understand, I just try to give a comment about the configuration style, hoping to help)
2. I just want to achieve the effect at the beginning (don’t package it first) The component is likely to fail and write on the page to be implemented first)
3. The configuration related to gl 3d can be viewed and understood in the official document (the link is attached below)
https://echarts.apache.org/zh/option-gl.html #globe
4. I will provide you with an echarts atlas table (a lot of complete cases for reference) https://www.isqqw.com/
