最终样式：
image.png
设置示例图标
legend: {
data: ['pv'],
left: 0,
top: 20,
selectedMode: false,
icon: 'rectangle',
itemHeight:2,
textStyle: {
color: '#666'
}
},
设置x轴、y轴样式
xAxis: {
type: 'category',
boundaryGap: false,
data: this.xAxis,
axisLine: {
lineStyle: {
color: '#ccc',
}
},
axisLabel: {
color: '#666'
}
},
yAxis: {
type: 'value',
axisLine: {
lineStyle: {
color: '#ccc',
}
},
axisLabel: {
color: '#666'
}
},
