admin-govern/src/utils/echartMethod.ts

export const yMethod = (arr: any) => {
    let maxValue = 0
    let minValue = 0
    let max = 0
    let min = 0
    maxValue = Math.max(...arr)
    minValue = Math.min(...arr)
    if (maxValue > 1000 ||minValue < -1000) {
        max = Math.ceil(maxValue / 100) * 100
        if (minValue == 0) {
            min = 0
        } else {
            min = (Math.floor(minValue / 100) ) * 100
        }
    } else {
        max = Math.ceil(maxValue / 10) * 10
        min = Math.floor(minValue / 10) * 10
    }

    if (maxValue > 0 && maxValue < 1) {
        max = 1
    } else if (max == 0 && minValue > -1 && minValue < 0) {
        min = -1
    }
    return [min, max]
}