var ds = [{
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name: "#1",
datetime: "2020-08-14 00:00:02",
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{
dxid: 10312,
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{
dxid: 13794,
name: "#3",
datetime: "2020-08-14 00:00:05",
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{
dxid: 106668,
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{
dxid: 106647,
name: "#5",
datetime: "2020-08-14 00:00:09",
payload: "54.51953125|58.02734375|59.09765625|59.87890625|60.59765625|62.19921875|64.5|66.62890625|67.84765625|68.90625|70.1171875|71.45703125|72.6796875|73.70703125|74.1796875|74.02734375|73.25|72.55859375|71.70703125|70.0078125|68.90625|68.046875|67.34765625|66.41796875|65.80859375|65.12890625|64.5390625|63.90625|63.30859375|63.109375|63.2578125|63.59765625|64.02734375|64.609375|65.38671875|66.859375|67.65625|68.21875|68.56640625|68.77734375|68.98828125|69.2578125|69.46875|69.7265625|69.9296875|69.90625|69.65625|69.359375|69.0078125|68.58984375|68.0078125|67.046875|65.95703125|65.0078125|64.44921875|64.25|63.9765625|63.73828125|63.6796875|63.70703125|63.80859375|63.90625|64.02734375|64.26953125|64.46875|64.96875|65.546875|66.30859375|67.5390625|67.94921875|68.109375|68.25|68.20703125|68.02734375|67.828125|67.48828125|67.328125|67.01953125|66.7890625|66.19921875|65.1484375|64.0|63.6171875|63.2890625|63.30859375|63.59765625|63.94921875|64.2265625|64.59765625|64.96875|65.7890625|67.2265625|67.5390625|67.44921875|67.0390625|66.2890625|65.52734375|64.6171875|62.88671875|63.83984375|64.75|62.66796875|61.5|60.296875|59.828125|59.1171875|59.37890625|59.9765625|60.23828125|60.2890625|60.31640625|60.31640625|60.19921875|59.828125|59.7265625|59.56640625|59.078125|58.44921875|56.9375|56.15625|55.48828125|54.7578125|54.38671875|54.1171875|53.8984375|53.6484375|53.52734375|53.4375|53.21875|52.76953125|52.2890625|51.95703125|51.546875|51.4296875|51.5078125|51.76953125|52.1171875|52.41796875|52.70703125|52.9296875|53.19921875|53.4765625|53.56640625|53.6171875|53.66796875|53.83984375|54.01953125|54.21875|54.546875|54.34765625|54.078125|53.96875|53.796875|53.6171875|53.52734375|53.41796875|53.40625|53.44921875|53.44921875|53.48828125|53.5078125|53.5078125|53.48828125|53.5|53.56640625|53.6796875|53.81640625|54.01953125|54.16796875|54.4375|54.66796875|54.8671875|55.05859375|55.13671875|55.2265625|55.2265625|55.19921875|55.1484375|55.16796875|55.16796875|55.109375|55.0|54.8984375|54.80859375|54.65625|54.46875|54.3671875|54.38671875|54.38671875|54.55859375|54.81640625|54.98828125|55.05859375|55.27734375|55.62890625|56.078125|56.46875|56.70703125|56.23828125|55.87890625",
offset: "0.0|0.0498046875|0.099609375|0.1494140625|0.2099609375|0.259765625|0.3095703125|0.369140625|0.419921875|0.4697265625|0.529296875|0.5791015625|0.6298828125|0.689453125|0.7392578125|0.7890625|0.849609375|0.8994140625|0.94921875|1.0|1.0595703125|1.109375|1.1591796875|1.2197265625|1.26953125|1.3193359375|1.3798828125|1.4296875|1.4794921875|1.5390625|1.58984375|1.6396484375|1.69921875|1.75|1.7998046875|1.859375|1.9091796875|1.9599609375|2.009765625|2.0693359375|2.119140625|2.169921875|2.2294921875|2.279296875|2.3291015625|2.3896484375|2.439453125|2.4892578125|2.5498046875|2.599609375|2.6494140625|2.7099609375|2.759765625|2.8095703125|2.869140625|2.919921875|2.9697265625|3.01953125|3.0791015625|3.1298828125|3.1796875|3.2392578125|3.2890625|3.33984375|3.3994140625|3.44921875|3.5|3.5595703125|3.609375|3.6591796875|3.7197265625|3.76953125|3.8193359375|3.8798828125|3.9296875|3.9794921875|4.029296875|4.08984375|4.1396484375|4.189453125|4.25|4.2998046875|4.349609375|4.4091796875|4.4599609375|4.509765625|4.5693359375|4.619140625|4.669921875|4.7294921875|4.779296875|4.8291015625|4.8896484375|4.939453125|4.9892578125|5.0390625|5.099609375|5.1494140625|5.19921875|5.259765625|5.3095703125|5.259765625|5.19921875|5.1494140625|5.099609375|5.0390625|4.9892578125|4.939453125|4.8896484375|4.8291015625|4.779296875|4.7294921875|4.669921875|4.619140625|4.5693359375|4.509765625|4.4599609375|4.4091796875|4.349609375|4.2998046875|4.25|4.189453125|4.1396484375|4.08984375|4.029296875|3.9794921875|3.9296875|3.8798828125|3.8193359375|3.76953125|3.7197265625|3.6591796875|3.609375|3.5595703125|3.5|3.44921875|3.3994140625|3.33984375|3.2890625|3.2392578125|3.1796875|3.1298828125|3.0791015625|3.01953125|2.9697265625|2.919921875|2.869140625|2.8095703125|2.759765625|2.7099609375|2.6494140625|2.599609375|2.5498046875|2.4892578125|2.439453125|2.3896484375|2.3291015625|2.279296875|2.2294921875|2.169921875|2.119140625|2.0693359375|2.009765625|1.9599609375|1.9091796875|1.859375|1.7998046875|1.75|1.69921875|1.6396484375|1.58984375|1.5390625|1.4794921875|1.4296875|1.3798828125|1.3193359375|1.26953125|1.2197265625|1.1591796875|1.109375|1.0595703125|1.0|0.94921875|0.8994140625|0.849609375|0.7890625|0.7392578125|0.689453125|0.6298828125|0.5791015625|0.529296875|0.4697265625|0.419921875|0.369140625|0.3095703125|0.259765625|0.2099609375|0.1494140625|0.099609375|0.0498046875",
},
];
// you can switch data just change index
var index = 4
if (index >= ds.length) {
index = ds.length - 1
}
if (index <= 0) {
index = 0
}
function transformer(payload, offset, delimiter = "|") {
var payloadDs = payload.split(delimiter);
var offsetDs = offset.split(delimiter);
var len = Math.max(payloadDs.length, offsetDs.length);
var res = [];
function tryParseToNumber(source) {
var target = parseFloat(source);
if (isNaN(target)) {
target = 0;
}
return target;
}
if (payloadDs.length === offsetDs.length) {
for (var i = 0; i < len; i++) {
res.push({
payload: tryParseToNumber(payloadDs[i]),
offset: tryParseToNumber(offsetDs[i]),
});
}
return res;
} else {
throw new Error("payload's count is not equal to offset's count");
}
}
var seriesData = ds.map((d) => {
var data = transformer(d.payload, d.offset);
function getStroke(data) {
var offsetDs = data.map(({
offset
}) => offset);
var maxOffset = Math.max(...offsetDs);
var maxOffsetIndex = offsetDs.findIndex((d) => d === maxOffset);
var minOffset = Math.min(...offsetDs);
var minOffsetIndex = offsetDs.findIndex((d) => d === minOffset);
var upStroke = data.slice(0, maxOffsetIndex + 1);
var downStroke = data
.slice(maxOffsetIndex, data.length)
.concat(data[minOffsetIndex]);
return {
upStroke,
downStroke
};
}
var stroke = getStroke(data);
return stroke;
});
var currentSeriesData = seriesData[index];
option = {
title: {
text: ds[index].name + '[' + ds[index].dxid + '] 功图'
},
grid: {
top: 80,
right: 80,
bottom: 100
},
xAxis: {
name: '位移(M)',
max: function(value) {
return Math.ceil(value.max);
},
min: function(value) {
return Math.floor(value.min);
},
},
yAxis: {
name: '载荷(kN)',
max: function(value) {
return Math.ceil(value.max);
},
min: function(value) {
return Math.floor(value.min);
},
},
legend: {
data: ['上冲程', '下冲程'],
left: 'center',
bottom: 40,
align: 'right'
},
series: [{
name: '上冲程',
data: currentSeriesData.upStroke.map(({
offset,
payload
}) => [
offset,
payload,
]),
type: "line",
},
{
name: '下冲程',
data: currentSeriesData.downStroke.map(({
offset,
payload
}) => [
offset,
payload,
]),
type: "line",
},
],
};