【Echart Bug记录】z / z2 / zlevel of displayable is invalid, which may cause unexpected errors
BUG：首将鼠标放在图表上时会出现此警告
解决方案
需要在 echarts 系列选项中声明“zlevel”和“z”属性。
series: [ { name: …, areaStyle…, itemStyle …, zlevel: 9 , z: 9, data: …, }
文档链接
series: [
{
name: newData.seriesData[0].year + '年',
data: newData.seriesData[0].data,
type: 'line',
smooth: true,
showSymbol: false,
zlevel: 1,
z: 1,
lineStyle: {
width: 2,
color: new this.$echarts.graphic.LinearGradient(0, 1, 0, 0, [
{
offset: 0,
color: 'rgba(255, 241, 168, 1)',
},
{
offset: 0.5,
color: 'rgba(255, 225, 67, 1)',
},
{
offset: 1,
color: 'rgba(198, 202, 1, 1)',
},
]),
},
areaStyle: {
color: new this.$echarts.graphic.LinearGradient(
0,
0,
0,
1,
[
{
offset: 0,
color: 'rgba(255, 214, 0, 0.18)',
},
{
offset: 1,
color: 'rgba(204, 255, 0, 0)',
},
],
false
),
},
},
{
name: newData.seriesData[1].year + '年',
data: newData.seriesData[1].data,
type: 'line',
smooth: true,
showSymbol: false,
zlevel: 2,
z: 2,
lineStyle: {
width: 2,
color: new this.$echarts.graphic.LinearGradient(0, 1, 0, 0, [
{
offset: 0,
color: 'rgba(154, 255, 225, 1)',
},
{
offset: 0.5,
color: 'rgba(0, 255, 178, 1)',
},
{
offset: 1,
color: 'rgba(0, 172, 120, 1)',
},
]),
},
areaStyle: {
color: new this.$echarts.graphic.LinearGradient(
0,
0,
0,
1,
[
{
offset: 0,
color: 'rgba(75, 255, 179, 0.25)',
},
{
offset: 1,
color: 'rgba(72, 255, 134, 0)',
},
],
false
),
},
},
{
name: newData.seriesData[2].year + '年',
data: newData.seriesData[2].data,
type: 'line',
smooth: true,
showSymbol: false,
lineStyle: {
width: 2,
color: '#179DFF',
},
zlevel: 3,
z: 3,
areaStyle: {
color: new this.$echarts.graphic.LinearGradient(
0,
0,
0,
1,
[
{
offset: 0,
color: 'rgba(48, 156, 255, 0.3)',
},
{
offset: 1,
color: 'rgba(72, 167, 255, 0)',
},
],
false
),
},
},
],