js将数字转换成万、亿、万亿

// js将数字转换成万、亿、万亿
export const numberFormat = (value)=> {
    
    
    var param = {
    
    };
    var k = 10000,
        sizes = ['', '万', '亿', '万亿'],
        i;
        if(value < k){
    
    
            param.value =value
            param.unit=''
        }else{
    
    
            i = Math.floor(Math.log(value) / Math.log(k)); 
            param.value = ((value / Math.pow(k, i))).toFixed(2);
            param.unit = sizes[i];
        }
    return param;
}

// js将数字转换成万 并且保留两位小数
export const keepTwoDecimalFull = (num) => {
    
    
    if (num > 10000) {
    
    
        let result = num / 10000;
        result = Math.floor(result * 100) / 100;
        var s_x = result.toString(); //将数字转换为字符串
        var pos_decimal = s_x.indexOf('.'); //小数点的索引值
        // 当整数时，pos_decimal=-1 自动补0
        if (pos_decimal < 0) {
    
    
            pos_decimal = s_x.length;
            s_x += '.';
        }
        // 当数字的长度< 小数点索引+2时，补0
        while (s_x.length <= pos_decimal + 2) {
    
    
            s_x += '0';
        }
        s_x += '万';
    } else {
    
    
        s_x = num;
    }
    return s_x
}