将数字转换为大写金额

对于更多日常应用的公共类的操作方法，能够关注下小滑轮网站 http://www.feiaci.com/#/self/…

/**
 * 将数字转换为大写金额
 */
function changeToChinese (Num) {
    // 判断如果传递进来的不是字符的话转换为字符
    if(typeof Num == "number") {Num = new String(Num);
    };
    Num = Num.replace(/,/g, "") // 替换 tomoney() 中的“,”Num = Num.replace(/ /g, "") // 替换 tomoney() 中的空格
    Num = Num.replace(/￥/g, "") // 替换掉可能呈现的￥字符
    if(isNaN(Num)) { // 验证输出的字符是否为数字
        //alert("请查看小写金额是否正确");
        return "";
    };
    // 字符处理完毕后开始转换，采纳前后两局部别离转换
    let part = String(Num).split(".");
    let newchar = "";
    // 小数点前进行转化
    for(let i = part[0].length - 1; i >= 0; i--) {if(part[0].length > 10) {
            return "";
            // 若数量超过拾亿单位，提醒
        }
        let tmpnewchar = ""
        let perchar = part[0].charAt(i);
        switch(perchar) {
            case "0":
                tmpnewchar = "零" + tmpnewchar;
                break;
            case "1":
                tmpnewchar = "壹" + tmpnewchar;
                break;
            case "2":
                tmpnewchar = "贰" + tmpnewchar;
                break;
            case "3":
                tmpnewchar = "叁" + tmpnewchar;
                break;
            case "4":
                tmpnewchar = "肆" + tmpnewchar;
                break;
            case "5":
                tmpnewchar = "伍" + tmpnewchar;
                break;
            case "6":
                tmpnewchar = "陆" + tmpnewchar;
                break;
            case "7":
                tmpnewchar = "柒" + tmpnewchar;
                break;
            case "8":
                tmpnewchar = "捌" + tmpnewchar;
                break;
            case "9":
                tmpnewchar = "玖" + tmpnewchar;
                break;
        }
        switch(part[0].length - i - 1) {
            case 0:
                tmpnewchar = tmpnewchar + "元";
                break;
            case 1:
                if(perchar != 0) tmpnewchar = tmpnewchar + "拾";
                break;
            case 2:
                if(perchar != 0) tmpnewchar = tmpnewchar + "佰";
                break;
            case 3:
                if(perchar != 0) tmpnewchar = tmpnewchar + "仟";
                break;
            case 4:
                tmpnewchar = tmpnewchar + "万";
                break;
            case 5:
                if(perchar != 0) tmpnewchar = tmpnewchar + "拾";
                break;
            case 6:
                if(perchar != 0) tmpnewchar = tmpnewchar + "佰";
                break;
            case 7:
                if(perchar != 0) tmpnewchar = tmpnewchar + "仟";
                break;
            case 8:
                tmpnewchar = tmpnewchar + "亿";
                break;
            case 9:
                tmpnewchar = tmpnewchar + "拾";
                break;
        }
        let newchar = tmpnewchar + newchar;
    }
    // 小数点之后进行转化
    if(Num.indexOf(".") != -1) {if(part[1].length > 2) {// alert("小数点之后只能保留两位, 零碎将主动截断");
            part[1] = part[1].substr(0, 2)
        }
        for(i = 0; i < part[1].length; i++) {
            tmpnewchar = ""
            perchar = part[1].charAt(i)
            switch(perchar) {
                case "0":
                    tmpnewchar = "零" + tmpnewchar;
                    break;
                case "1":
                    tmpnewchar = "壹" + tmpnewchar;
                    break;
                case "2":
                    tmpnewchar = "贰" + tmpnewchar;
                    break;
                case "3":
                    tmpnewchar = "叁" + tmpnewchar;
                    break;
                case "4":
                    tmpnewchar = "肆" + tmpnewchar;
                    break;
                case "5":
                    tmpnewchar = "伍" + tmpnewchar;
                    break;
                case "6":
                    tmpnewchar = "陆" + tmpnewchar;
                    break;
                case "7":
                    tmpnewchar = "柒" + tmpnewchar;
                    break;
                case "8":
                    tmpnewchar = "捌" + tmpnewchar;
                    break;
                case "9":
                    tmpnewchar = "玖" + tmpnewchar;
                    break;
            }
            if(i == 0) tmpnewchar = tmpnewchar + "角";
            if(i == 1) tmpnewchar = tmpnewchar + "分";
            newchar = newchar + tmpnewchar;
        }
    }
    // 替换所有无用汉字
    while(newchar.search("零零") != -1)
        newchar = newchar.replace("零零", "零");
    newchar = newchar.replace("零亿", "亿");
    newchar = newchar.replace("亿万", "亿");
    newchar = newchar.replace("零万", "万");
    newchar = newchar.replace("零元", "元");
    newchar = newchar.replace("零角", "");
    newchar = newchar.replace("零分", "");
    if(newchar.charAt(newchar.length - 1) == "元") {newchar = newchar + "整"}
    return newchar;
}