CocosCreator3.x开发笔记9: 多位数的数字转大致描

/**多位数的数字转大致描述文字,type传非空的为连贯数字+文字，传null，得到array[3]*/
    getNumberStr(value:number,type:string) {
        const newValue = ['', '', '']
        let fr = 1000
        let num = 3
        let text1 = ''
        let text2 = ''
        let fm = 1
        if(value==null || isNaN(value)){
            return !type?newValue:''
        }
        if(value<0){
            value = Math.abs(value);
            text2 = '-'
        }
        while (value / fr >= 1) {
            fr *= 10
            num += 1
            // console.log('数字', value / fr, 'num:', num)
        }
        if (num <= 4) { // 千
            newValue[0] = value.toString()
            newValue[1] = ''
        } else if (num <= 8) { // 万
            // text1 = parseInt(num - 4) / 3 > 1 ? '千万' : '万'
            text1 = '万'
            // tslint:disable-next-line:no-shadowed-variable
            fm = text1 === '万' ? 10000 : 10000000
            if (value % fm === 0) {
                newValue[0] = parseInt((value / fm).toString()) + ''
            } else {
                newValue[0] = parseFloat((value / fm).toString()).toFixed(2) + ''
            }
            newValue[1] = text1
        } else { // 亿 if (num <= 16)
            // text1 = (num - 8) / 3 > 1 ? '千亿' : '亿'
            text1 = '亿'
            text1 = (num - 8) / 4 > 1 ? '万亿' : text1
            text1 = (num - 8) / 7 > 1 ? '千万亿' : text1
            text1 = (num - 8) / 10 > 1 ? '亿亿' : text1
            // tslint:disable-next-line:no-shadowed-variable
            fm = 1
            if (text1 === '亿') {
                fm = 100000000
            } else if (text1 === '千亿') {
                fm = 100000000000
            } else if (text1 === '万亿') {
                fm = 1000000000000
            } else if (text1 === '千万亿') {
                fm = 1000000000000000
            }else{
                fm = 1000000000000000000
            }
            if (value % fm === 0) {
                newValue[0] = parseInt((value / fm).toString()) + ''
            } else {
                newValue[0] = parseFloat((value / fm).toString()).toFixed(2) + ''
            }
            newValue[1] = text1
        }
        if (value < 1000) {
            newValue[0] = value + ''
            newValue[1] = '元'
        }
        newValue[0] = text2?text2 + newValue[0] : newValue[0]
        return !type?newValue:(newValue[0] + newValue[1])
    }