34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
import moment from "moment";
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/**
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* 使用滑动窗口获取水文数据批次
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* @param {Array} data - 后端返回的数据数组
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* @returns {Array} - 返回数组，每个元素包含600个点的数据
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*/
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export const getAllHydroBatches = (data) => {
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if (!Array.isArray(data) || data.length < 600) {
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return [];
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}
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const batches = [];
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let startIndex = 0;
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// 当剩余数据量大于等于600时继续处理
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while (startIndex + 600 <= data.length) {
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const slicedData = data.slice(startIndex, startIndex + 600);
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batches.push({
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rains: slicedData.map(item => item.rains),
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waters: slicedData.map(item => item.waters),
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lastTm: slicedData[599].tm // 记录第600个点的时间
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});
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// 每次向后移动1个位置
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startIndex += 1;
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}
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return batches;
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};
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export const responseData = new Array(800).fill(0).map((item,index) => ({
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rains: (Math.random() * 1).toFixed(2),
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waters: (Math.random() * 100).toFixed(2),
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tm:moment().clone().add(index, 'hours').format("YYYY-MM-DD HH:00:00")
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})) |