我正在为服务器响应时间创建一个图表。当服务器没有响应时，我管理它导出0值。 我只有一个问题。当服务器关闭时，我无法设置BOLD RED线。 有一条红线，与蓝线的其余部分一样厚。问题是，当有更多数据（大约1000个测量点）时，红线不可见。
问：如何使两个零值之间的线变粗？
由于
$(function () {
$('.container').highcharts({
exporting: {
filename: 'PCEP0012 - PCE response time (ms)-chart',
sourceWidth: 900,
},
chart: {
zoomType: 'x',
spacingRight: 20,
type: "spline" },
title: {
text: 'PCE response time (ms) for PCEP0012 (was_pce)' },
subtitle: {
text: document.ontouchstart === undefined ?
'Click and drag in the plot area to zoom in' :
'Pinch the chart to zoom in'
},
xAxis: {
type: 'datetime',
maxZoom: '225 * * 60',
title: {
text: null
}
},
yAxis: {
title: {
text: 'response time (ms)'
}
},
tooltip: {
shared: false,
headerFormat: '<b>{series.name}</b><br>',
pointFormat: '{point.x:%b %e, %H:%M:%S}: {point.y:.2f}ms' },
legend: {
enabled: false },
plotOptions: {
area: {
fillColor: {
linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1},
stops: [
[0, Highcharts.getOptions().colors[0]],
[1, Highcharts.Color(Highcharts.getOptions().colors[0]).setOpacity(0).get('rgba')]
]
},
lineWidth: 1,
marker: {
enabled: false
},
shadow: false,
states: {
hover: {
lineWidth: 1
}
},
threshold: null
} },
series:
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type: "area",
color: "#207CCA",
threshold: 1,
negativeColor: "#FF0000",
name: "response time (ms)",
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