js 点赞数 处理

likeNum(num) {
    if (num === 0) {
        num = '';
    }
    else if (num > 9999 && num <= 9999999) {
        num = parseInt(num / 10000);
        num = parseInt(num) + "万";
    }
    else if (num > 9999999) {
        num = parseInt(num / 10000000);
        num = parseInt(num) + "千万";
    }
    return num;

}