把分转为元 保留2位小数

把分转为元 保留2位小数

toPrice(x) {
        if (x !== null) {
            let xx: any = x / 100;
            let f: any = Math.round(xx * 100) / 100;
            let s: any = f.toString();
            let rs: any = s.indexOf('.');
            if (rs < 0) {
                rs = s.length;
                s += '.';
            }
            while (s.length <= rs + 2) {
                s += '0';
            }
            return s;
        }
        return x;
    }