/** 
 * 乘法 
 * @param arg1 
 * @param arg2 
 * @returns {Number} 
 */
function accMul(arg1, arg2) {
    var m = 0, s1 = arg1.toString(), s2 = arg2.toString();
    try { m += s1.split(".")[1].length } catch (e) { }
    try { m += s2.split(".")[1].length } catch (e) { }
    return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m)
}
/** 
 * 除法 
 * @param arg1 
 * @param arg2 
 * @returns {Number} 
 */
function accDiv(arg1, arg2) {
    var t1 = 0, t2 = 0, r1, r2;
    try { t1 = arg1.toString().split(".")[1].length } catch (e) { }
    try { t2 = arg2.toString().split(".")[1].length } catch (e) { }
    with (Math) {
        r1 = Number(arg1.toString().replace(".", ""))
        r2 = Number(arg2.toString().replace(".", ""))
        return (r1 / r2) * pow(10, t2 - t1);
    }
}
/** 
 * 加法 
 * @param arg1 
 * @param arg2 
 * @returns {Number} 
 */
function accAdd(arg1, arg2) {
    var r1, r2, m, c;
    try { r1 = arg1.toString().split(".")[1].length } catch (e) { r1 = 0 }
    try { r2 = arg2.toString().split(".")[1].length } catch (e) { r2 = 0 }
    c = Math.abs(r1 - r2);
    m = Math.pow(10, Math.max(r1, r2))
    if (c > 0) {
        var cm = Math.pow(10, c);
        if (r1 > r2) {
            arg1 = Number(arg1.toString().replace(".", ""));
            arg2 = Number(arg2.toString().replace(".", "")) * cm;
        }
        else {
            arg1 = Number(arg1.toString().replace(".", "")) * cm;
            arg2 = Number(arg2.toString().replace(".", ""));
        }
    }
    else {
        arg1 = Number(arg1.toString().replace(".", ""));
        arg2 = Number(arg2.toString().replace(".", ""));
    }
    return (arg1 + arg2) / m
}
/** 
 * 减法 
 * @param arg1 
 * @param arg2 
 * @returns 
 */
function accSub(arg1, arg2) {
    var r1, r2, m, n;
    try { r1 = arg1.toString().split(".")[1].length } catch (e) { r1 = 0 }
    try { r2 = arg2.toString().split(".")[1].length } catch (e) { r2 = 0 }
    m = Math.pow(10, Math.max(r1, r2));
    //last modify by deeka  
    //动态控制精度长度  
    n = (r1 >= r2) ? r1 : r2;
    return ((arg1 * m - arg2 * m) / m).toFixed(n);
}

/** 
 * 数字转换为大写 
 * @param NumStr
 * @returns 
 */
function Arabia_to_Chinese(NumStr) {
    var Num = NumStr + "";
    for (i = Num.length - 1; i >= 0; i--) {
        Num = Num.replace(",", "")//替换tomoney()中的“,”
        Num = Num.replace(" ", "")//替换tomoney()中的空格
    }
    Num = Num.replace("￥", "")//替换掉可能出现的￥字符
    if (isNaN(Num)) { //验证输入的字符是否为数字
        alert("请检查小写金额是否正确");
        return;
    }
    //字符处理完毕后开始转换，采用前后两部分分别转换
    part = String(Num).split(".");
    newchar = "";
    //小数点前进行转化
    for (i = part[0].length - 1; i >= 0; i--) {
        if (part[0].length > 10) {
            alert("位数过大，无法计算");
            return "";
        }//若数量超过拾亿单位，提示
        tmpnewchar = ""
        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;
        }
        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,系统将自动截断");
            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.charAt(newchar.length - 1) == "角")
        newchar = newchar + "整"
    return newchar;
}


function ConvertCurrency(money) {
    //汉字的数字  
    var cnNums = new Array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
    //基本单位  
    var cnIntRadice = new Array('', '拾', '佰', '仟');
    //对应整数部分扩展单位  
    var cnIntUnits = new Array('', '万', '亿', '兆');
    //对应小数部分单位  
    var cnDecUnits = new Array('角', '分', '厘', '毫');
    //整数金额时后面跟的字符  
    var cnInteger = '整';
    //整型完以后的单位  
    var cnIntLast = '元';
    //最大处理的数字  
    var maxNum = 999999999999999.9999;
    //金额整数部分  
    var integerNum;
    //金额小数部分  
    var decimalNum;
    //输出的中文金额字符串  
    var chineseStr = '';
    //分离金额后用的数组，预定义  
    var parts;
    if (money === '') { return ''; }
    money = parseFloat(money);
    if (money >= maxNum) {
        //超出最大处理数字  
        return '';
    }
    if (money === 0) {
        chineseStr = cnNums[0] + cnIntLast + cnInteger;
        return chineseStr;
    }
    //转换为字符串  
    money = money.toString();
    if (money.indexOf('.') == -1) {
        integerNum = money;
        decimalNum = '';
    } else {
        parts = money.split('.');
        integerNum = parts[0];
        decimalNum = parts[1].substr(0, 4);
    }
    //获取整型部分转换  
    if (parseInt(integerNum, 10) > 0) {
        var zeroCount = 0;
        var IntLen = integerNum.length;
        for (var i = 0; i < IntLen; i++) {
            var n = integerNum.substr(i, 1);
            var p = IntLen - i - 1;
            var q = p / 4;
            var m = p % 4;
            if (n == '0') {
                zeroCount++;
            } else {
                if (zeroCount > 0) {
                    chineseStr += cnNums[0];
                }
                //归零  
                zeroCount = 0;
                chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
            }
            if (m == 0 && zeroCount < 4) {
                chineseStr += cnIntUnits[q];
            }
        }
        chineseStr += cnIntLast;
    }
    //小数部分  
    if (decimalNum != '') {
        var decLen = decimalNum.length;
        for (var i = 0; i < decLen; i++) {
            var n = decimalNum.substr(i, 1);
            if (n != '0') {
                chineseStr += cnNums[Number(n)] + cnDecUnits[i];
            }
        }
    }
    if (chineseStr == '') {
        chineseStr += cnNums[0] + cnIntLast + cnInteger;
    } else if (decimalNum == '') {
        chineseStr += cnInteger;
    }
    return chineseStr;
}

/** 
 * 增加千分符以及保留几位小数(四舍五入) 
 * @param NumStr
 * @returns 
 */
function Mmoney(s, n) {
    s = $.trim(s) == '' ? 0 : s;
    n = $.trim(n) == '' ? 2 : n;
    return s.toFixed(n);
    //var t = '';
    //var regPos = /^\d+(\.\d+)?$/; //非负浮点数
    //var regNeg = /^(-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*)))$/; //负浮点数
    //if (s == 0 || regPos.test(s) || regNeg.test(s)) {
    //    n = n > 0 && n <= 20 ? n : 2;
    //    s = parseFloat((s + '').replace(/[^\d\.-]/g, '')).toFixed(n) + '';
    //    var l = '';
    //    if (parseFloat(s.split('.')[0]) >= 0) {
    //        l = s.split('.')[0].split('').reverse();
    //    } else {
    //        l = s.split('.')[0].split('-')[1].split('').reverse();
    //    }
    //    r = s.split('.')[1];

    //    for (var i = 0; i < l.length; i++) {
    //        t += l[i] + ((i + 1) % 3 == 0 && (i + 1) != l.length ? ',' : '');
    //    };
    //    t = t.split('').reverse().join('') + '.' + r;
    //    if (parseFloat(s.split('.')[0]) < 0) {
    //        t = "-" + t;
    //    };
    //}
    //return t;
}

/** 
 * 增加千分符以及保留几位小数(四舍五入) 
 * @param NumStr
 * @returns 
 */
function MmoneyFM(s, n) {
    
    var t = '';
    var regPos = /^\d+(\.\d+)?$/; //非负浮点数
    var regNeg = /^(-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*)))$/; //负浮点数
    if (s == 0 || regPos.test(s) || regNeg.test(s)) {
        n = n > 0 && n <= 20 ? n : 2;
        s = parseFloat((s + '').replace(/[^\d\.-]/g, '')).toFixed(n) + '';
        var l = '';
        if (parseFloat(s.split('.')[0]) >= 0) {
            l = s.split('.')[0].split('').reverse();
        } else {
            l = s.split('.')[0].split('-')[1].split('').reverse();
        }
        r =s.indexOf('.')>0?s.split('.')[1]:"00";

        for (var i = 0; i < l.length; i++) {
            t += l[i] + ((i + 1) % 3 == 0 && (i + 1) != l.length ? ',' : '');
        };
        t = t.split('').reverse().join('') + '.' + r;
        if (parseFloat(s.split('.')[0]) < 0) {
            t = "-" + t;
        };
    }
    return t;
}


function NumberBoxBind() {
    $(".priceTxtBox").keyup(function () {
        $(this).val($(this).val().toString().match(/^\d+(?:\.\d{0,8})?/));
        if (isNaN($(this).val()) || $(this).val() == null || $(this).val() == "") {
            return false;
        }

        var price = $(this).val();
        var count = $(this).parents("tr").find(".countTxtBox").val();
        if (isNaN(count) || count == null || count == "") {
            return false;
        }

        var amount = accMul(price, count).toFixed(2);
        $(this).parents("tr").find(".amountTxtBox").val(amount);
    });

    $(".countTxtBox").keyup(function () {
        $(this).val($(this).val().toString().match(/^\d+(?:\.\d{0,4})?/));
        if (isNaN($(this).val()) || $(this).val() == null || $(this).val() == "") {
            return false;
        }

        var count = $(this).val();
        var price = $(this).parents("tr").find(".priceTxtBox").val();
        if (isNaN(price) || price == null || price == "") {
            return false;
        }

        var amount = accMul(price, count).toFixed(2);
        $(this).parents("tr").find(".amountTxtBox").val(amount);
    });

    $(".amountTxtBox").keyup(function () {
        $(this).val(parseFloat($(this).val().toString().match(/^\d+(?:\.\d{0,2})?/)));
        if (isNaN($(this).val()) || $(this).val() == null || $(this).val() == "") {
            return false;
        }

        var amount = $(this).val();
        var count = $(this).parents("tr").find(".countTxtBox").val();
        if (isNaN(count) || count == null || count == "" || parseFloat(count) <= 0) {
            return false;
        }

        var price = parseFloat(accDiv(amount, count).toFixed(8));
        $(this).parents("tr").find(".amountTxtBox").val(price);
    });
};

Number.prototype.toFixed = function (d) {
    var s = this + "";
    if (!d) d = 0;
    if (s.indexOf(".") == -1) s += ".";
    s += new Array(d + 1).join("0");
    if (new RegExp("^(-|\\+)?(\\d+(\\.\\d{0," + (d + 1) + "})?)\\d*$").test(s)) {
        var s = "0" + RegExp.$2, pm = RegExp.$1, a = RegExp.$3.length, b = true;
        if (a == d + 2) {
            a = s.match(/\d/g);
            if (parseInt(a[a.length - 1]) > 4) {
                for (var i = a.length - 2; i >= 0; i--) {
                    a[i] = parseInt(a[i]) + 1;
                    if (a[i] == 10) {
                        a[i] = 0;
                        b = i != 1;
                    } else break;
                }
            }
            s = a.join("").replace(new RegExp("(\\d+)(\\d{" + d + "})\\d$"), "$1.$2");

        } if (b) s = s.substr(1);
        return parseFloat((pm + s).replace(/\.$/, ""));
    }

    return parseFloat(this + "");

};