68 lines
2.0 KiB
TypeScript
68 lines
2.0 KiB
TypeScript
const dataProcessing = (arr: any[]) => {
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return arr
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.filter(item => typeof item === 'number' || (typeof item === 'string' && !isNaN(parseFloat(item))))
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.map(item => (typeof item === 'number' ? item : parseFloat(item)))
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}
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// 处理y轴最大最小值
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export const yMethod = (arr: any) => {
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let numList = dataProcessing(arr)
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let maxValue = 0
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let minValue = 0
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let max = 0
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let min = 0
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maxValue = Math.max(...numList)
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minValue = Math.min(...numList)
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if (maxValue > 1000 || minValue < -1000) {
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max = Math.ceil(maxValue / 100) * 100
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if (minValue == 0) {
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min = 0
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} else {
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min = Math.floor(minValue / 100) * 100
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}
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} else if (maxValue == minValue && maxValue < 10 && minValue > 0) {
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max = Math.ceil(maxValue / 10) * 10
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min = Math.floor(minValue / 10) * 10
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} else if (maxValue == minValue && maxValue != 0 && minValue != 0) {
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max = Math.ceil(maxValue / 10 + 1) * 10
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min = Math.floor(minValue / 10 - 1) * 10
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} else {
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max = Math.ceil(maxValue / 10) * 10
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min = Math.floor(minValue / 10) * 10
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}
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if (maxValue > 0 && maxValue < 1) {
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max = 1
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} else if (max == 0 && minValue > -1 && minValue < 0) {
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min = -1
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}
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return [min, max]
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}
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/**
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* title['A相','B相',]
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* data[[1,2],[3,4]]
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*/
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// 导出csv文件
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const convertToCSV = (title: object, data: any) => {
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// console.log('🚀 ~ convertToCSV ~ data:', data)
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let csv = ''
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// 添加列头
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csv += ',' + title.join(',') + '\n'
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// 遍历数据并添加到CSV字符串中
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data?.map(item => {
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csv += item.join(',') + '\n'
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})
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return csv
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}
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export const exportCSV = (title: object, data: any, filename: string) => {
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const csv = convertToCSV(title, data)
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const blob = new Blob([csv], { type: 'text/csv;charset=utf-8;' })
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const link = document.createElement('a')
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link.href = URL.createObjectURL(blob)
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link.download = filename
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link.click()
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// 释放URL对象
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URL.revokeObjectURL(link.href)
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}
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