var map = {
        "零": 0,

        "一": 1,
        "壹": 1,

        "二": 2,
        "贰": 2,
        "两": 2,

        "三": 3,
        "叁": 3,

        "四": 4,
        "肆": 4,

        "五": 5,
        "伍": 5,

        "六": 6,
        "陆": 6,

        "七": 7,
        "柒": 7,

        "八": 8,
        "捌": 8,

        "九": 9,
        "玖": 9,

        "十": 10,
        "拾": 10,

        "百": 100,
        "佰": 100,

        "千": 1000,
        "仟": 1000,

        "万": 10000,
        "十万": 100000,
        "百万": 1000000,
        "千万": 10000000,
        "亿": 100000000
    };
    
    // 解析失败返回-1，成功返回转换后的数字，不支持负数
    function numberDigit(chinese_number) {
        var len = chinese_number.length;
        if (len == 0) return -1;
        if (len == 1) return (map[chinese_number] <= 10) ? map[chinese_number] : -1;
        var summary = 0;
        if (map[chinese_number[0]] == 10) {
            chinese_number = "一" + chinese_number;
            len++;
        }
        if (len >= 3 && map[chinese_number[len - 1]] < 10) {
            var last_second_num = map[chinese_number[len - 2]];
            if (last_second_num == 100 || last_second_num == 1000 || last_second_num == 10000 || last_second_num == 100000000) {
                for (var key in map) {
                    if (map[key] == last_second_num / 10) {
                        chinese_number += key;
                        len += key.length;
                        break;
                    }
                }
            }
        }
        if (chinese_number.match(/亿/g) && chinese_number.match(/亿/g).length > 1) return -1;
        var splited = chinese_number.split("亿");
        if (splited.length == 2) {
            var rest = splited[1] == "" ? 0 : numberDigit(splited[1]);
            return summary + numberDigit(splited[0]) * 100000000 + rest;
        }
        splited = chinese_number.split("万");
        if (splited.length == 2) {
            var rest = splited[1] == "" ? 0 : numberDigit(splited[1]);
            return summary + numberDigit(splited[0]) * 10000 + rest;
        }
        var i = 0;
        while (i < len) {
            var first_char_num = map[chinese_number[i]];
            var second_char_num = map[chinese_number[i + 1]];
            if (second_char_num > 9)
                summary += first_char_num * second_char_num;
            i++;
            if (i == len)
                summary += first_char_num <= 9 ? first_char_num : 0;
        }
        return summary;
    }

?测试代码：

numberDigit("一千一百一十一")