const DataSummary = {
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_selectFactorId: ['1', '2', '3'],
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_factorDatas: undefined,
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/**
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* 输出一组数据的总结
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* 包括均值和范围
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* @param factorDatas @see FactorDatas
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*/
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summary(elementId, factorDatas) {
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if (factorDatas) {
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this._factorDatas = factorDatas;
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}
|
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const summarys = [];
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for (const key in this._factorDatas.factor) {
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const f = this._factorDatas.factor[key];
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if (
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this._selectFactorId.indexOf(f.factorId) == -1 ||
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this.notRequiredFactor(f.factorName)
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)
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continue;
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const datas = f.datas;
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const { min, max, avg } = this._avgAndRange(datas);
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// summarys.set(
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// f.factorName,
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// `${f.factorName}均值为 ${avg}μg/m<sup>3</sup>， 浓度范围为 ${min}-${max}μg/m<sup>3</sup>`
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// );
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const unit = Util.factorUnit['type0'][f.factorId];
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summarys.push(
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`${f.factorName}: 均值为 ${avg}${unit}，范围为 ${min}-${max}${unit}`
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);
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}
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let html = '';
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summarys.forEach((s) => {
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html += `<div>${s}</div>`;
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});
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$('#history_table_summary').html(html);
|
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return summarys;
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},
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onChangeFactor(elementId, index, add) {
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if (add) {
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this._selectFactorId.push(index);
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} else {
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var i = this._selectFactorId.indexOf(index);
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this._selectFactorId.splice(i, 1);
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}
|
|
return this.summary(elementId);
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},
|
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/**
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* 不需要显示的监测因子
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* @param {*} factorName
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* @returns
|
*/
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notRequiredFactor(factorName) {
|
return factorName == 'LNG' || factorName == 'LAT';
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},
|
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_avgAndRange(datas) {
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let min, max;
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let total = 0;
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let count = 0;
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datas.forEach((d) => {
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if (min == undefined || min > d.factorData) {
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min = d.factorData;
|
}
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if (max == undefined || max < d.factorData) {
|
max = d.factorData;
|
}
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total += d.factorData;
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count++;
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});
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let avg = 0;
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if (count > 0) {
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avg = Math.round((total / count) * 10) / 10;
|
}
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return { min, max, avg };
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},
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};
|
