echarts柱状图过渡色
时间: 2023-09-03 16:14:55 浏览: 117
在Echarts中,可以通过设置itemStyle属性中的normal属性来实现柱状图的过渡色效果。具体操作是通过在itemStyle属性中使用echarts.graphic.LinearGradient方法来设置渐变色。在这个方法中,可以指定渐变色的起始位置和结束位置,并通过offset参数设置每个颜色的位置偏移和颜色值。例如,可以使用以下代码设置渐变色:
```javascript
series: [
{
type: 'bar',
barWidth: 10,
stack: 'total',
data: this.seriesData,
itemStyle: {
normal: {
color: new echarts.graphic.LinearGradient(1, 0, 0, 0, [
{
offset: 0,
color: '#4d76ff'
},
{
offset: 1,
color: '#80aaff'
}
])
}
}
}
]
```
这样设置之后,柱状图的颜色将会从右边开始渐变,从蓝色(#4d76ff)渐变到浅蓝色(#80aaff)。
此外,还可以通过直接在series属性中设置颜色来实现柱状图的渐变色效果。例如,可以使用以下代码设置渐变色:
```javascript
option = {
xAxis: {
type: 'category',
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
},
yAxis: {
type: 'value'
},
series: [
{
data: [120, 200, 150, 80, 70, 110, 130],
type: 'bar',
color: new echarts.graphic.LinearGradient(0, 1, 0, 0, [
{
offset: 0,
color: '#11d56d'
},
{
offset: 1,
color: '#83bff6'
}
])
}
]
};
```
这样设置之后,柱状图的颜色将会从下方开始渐变,从绿色(#11d56d)渐变到浅蓝色(#83bff6)。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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