银行 金额js设置 (增加千位符及保留两位小数, 阿拉伯数字转为繁体, 等等)
window.fn = window.fn || {};
fn.jQuery = fn.jQuery || window.jQuery;
(function ($) {
// 检查是否已经加载过了
if (window["fn.money.js"]) {
return;
} else {
window["fn.money.js"] = true;
fn.money = {};
}
var add, sub, mul, div, toChinese, toDigit, toNumber;
// 把货币转换成数字
// {string} obj 要转换的字符串
fn.money.toNumber = toNumber = function (obj) {
if (typeof obj === "number") {
return obj;
} else if (typeof obj === "string") {
obj = obj.replace(/,/g, "");
obj = obj.replace(/¥/g, "");
if (!obj) {
return 0;
} else if (isNaN(obj)) {
return 0;
}
return parseFloat(obj);
} else {
return 0;
}
};
// 加法函数,用来得到精确的加法结果
fn.money.add = add = function () {
function doAdd(arg1, arg2) {
arg1 = toNumber(arg1);
arg2 = toNumber(arg2);
var r1, r2, m;
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));
return (Math.round(arg1 * m) + Math.round(arg2 * m)) / m;
}
var args = arguments;
var sum = args[0] || 0;
for (var i = 1; i < args.length; i++) {
sum = doAdd(sum, args[i]);
}
return sum;
};
// 减法函数,用来得到精确的加法结果
fn.money.sub = sub = function () {
function doSub(arg1, arg2) {
arg1 = toNumber(arg1);
arg2 = toNumber(arg2) * -1;
var r1, r2, m;
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));
return (Math.round(arg1 * m) + Math.round(arg2 * m)) / m;
}
var args = arguments;
var sum = args[0] || 0;
for (var i = 1; i < args.length; i++) {
sum = doSub(sum, args[i]);
}
return sum;
};
// 乘法函数,用来得到精确的乘法结果
fn.money.mul = mul = function () {
function doMul(arg1, arg2) {
arg1 = toNumber(arg1);
arg2 = toNumber(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)
);
}
var args = arguments;
var sum = args[0] || 0;
for (var i = 1; i < args.length; i++) {
sum = doMul(sum, args[i]);
}
return sum;
};
// 除法函数,用来得到精确的除法结果
fn.money.div = div = function (arg1, arg2) {
function doDiv(arg1, arg2) {
arg1 = toNumber(arg1);
arg2 = toNumber(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);
}
}
var args = arguments;
var sum = args[0] || 0;
for (var i = 1; i < args.length; i++) {
sum = doDiv(sum, args[i]);
}
return sum;
};
// 将数值转换为中文金额(可以处理整数, 小数, 负数)
fn.money.toChinese = toChinese = function (n) {
n = toNumber(n);
var fraction = ["角", "分"];
var digit = ["零", "壹", "貳", "叁", "肆", "伍", "陆", "柒", "捌", "玖"];
var unit = [["元", "万", "亿", "万亿"], ["", "拾", "佰", "仟"]];
var head = n < 0 ? "欠" : "";
n = Math.abs(n);
var s = "";
for (var i = 0; i < fraction.length; i++) {
s += (
digit[Math.floor(mul(mul(n, 10), Math.pow(10, i))) % 10] + fraction[i]
).replace(/零./, "");
}
s = s || "整";
n = Math.floor(n);
for (var i = 0; i < unit[0].length && n > 0; i++) {
var p = "";
for (var j = 0; j < unit[1].length && n > 0; j++) {
p = digit[n % 10] + unit[1][j] + p;
n = Math.floor(n / 10);
}
s = p.replace(/(零.)*零$/, "").replace(/^$/, "零") + unit[0][i] + s;
}
s =
head +
s
.replace(/(零.)*零元/, "元")
.replace(/(零.)+/g, "零")
.replace(/^整$/, "零元整");
if (s.replace("万亿", "").indexOf("亿") > -1) {
s = s.replace("万亿", "万");
}
return s;
};
// 将中文金额转换成数值(可以处理中文金额 或 阿拉伯数字字符串)
fn.money.toDigit = toDigit = function (n) {
// Number
if (typeof n == "number") return n;
if (typeof n != "string") return null;
//string
if (!isNaN(n)) return parseFloat(n);
// chinese
var digit = ["零", "壹", "貳", "叁", "肆", "伍", "陆", "柒", "捌", "玖"];
var unit = ["万", "亿", "拾", "佰", "仟"];
var fraction = ["角", "分", "整"];
var head = n.charAt(0) == "欠" ? -1 : 1;
n = n.substr(1);
var ary = n.split("元"),
_int = arr[0],
_dec = ary.length > 1 ? arr[1] : "";
// 去除单位
for (var i = 0; i < unit.length; i++) {
_int = replace(_int, unit[i], "");
}
for (var i = 0; i < fraction.length; i++) {
_dec = replace(_dec, fraction[i], "");
}
// 替换数字
for (var i = 0; i < digit.length; i++) {
_int = replace(_int, digit[i], i);
_dec = replace(_dec, digit[i], i);
}
function replace(text, s1, s2) {
return text.replace(new RegExp(s1, "gm"), s2);
}
return head * parseFloat(_int + "." + _dec);
};
// 格式化金额
fn.money.format = function (num, opt) {
num = toNumber(num);
opt = $.extend(
{
separator: ",",
scale: 2
},
opt
);
var re = /(\d{1,3})(?=(\d{3})+(?:$|\.))/g,
scale = Math.pow(10, opt.scale);
num = fn.money.add(num, 0);
num = Math.round(num * scale) / scale;
num = num.toString().replace(re, "$1" + opt.separator);
// 如果小数位大于0
if (opt.scale > 0) {
num = num.split(".");
if (num.length === 1) {
num.push("");
}
// 去除小数内的分隔符
num[1] = num[1].replace(/,/g, "");
// 补足小数位
while (num[1].length < opt.scale) {
num[1] += "0";
}
num = num.join(".");
}
return num;
};
// Luhm校验规则: 16位银行卡号 (19位通用):
// 1.将末带校验位的 15(或18) 位卡号从右依次编号 1 到 15 (18), 位于奇数位号上的数字乘以2
// 2.将奇位乘积的个十位全部相加,再加上所有偶数位上的数字
// 3.将加法和加上校验位能被10整除
fn.money.bankcard = function (bankNum) {
var regExp = /^\d+$/;
if (bankNum.length == 0 || bankNum == null) {
return false;
} else if (regExp.test(bankNum) == false) {
return false;
} else {
var lastNum = bankNum.substr(bankNum.length - 1, 1),
firstNum = bankNum.substr(0, bankNum.length - 1),
array = firstNum.split(""),
luhmSum = 0;
for (var i = array.length - 1, j = 0; i >= 0; i-- , j++) {
var k = parseInt(array[i]);
if (j % 2 == 0) {
k = k * 2;
if (k > 10) k = 1 + (k % 10);
else if (k == 10) k = 1;
}
luhmSum += k;
}
var luhmNum =
parseInt(luhmSum) % 10 == 0
? 0
: parseInt(10 - (parseInt(luhmSum) % 10));
if (lastNum != String(luhmNum)) {
return false;
}
}
return true;
};
// 判断字符串是否是身份证号
fn.money.idcard = function (idCard) {
var Wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1]; //加权因子
var ValideCode = [1, 0, 10, 9, 8, 7, 6, 5, 4, 3, 2]; //身份证验证位值 10代表X
var sum = 0;
var isValidityBrith = function (year, month, day) {
var temp_date = new Date(year, parseFloat(month) - 1, parseFloat(day));
if (year.length == 2) {
var temp_year = temp_date.getYear();
} else if (year.length == 4) {
var temp_year = temp_date.getFullYear();
} else {
return false;
}
if (
temp_year != parseFloat(year) ||
temp_date.getMonth() != parseFloat(month) - 1 ||
temp_date.getDate() != parseFloat(day)
) {
return false;
} else {
return true;
}
};
idCard = idCard.replace(/ /g, "").replace(/(^\s*)|(\s*$)/g, "");
if (idCard.length == 15) {
var year = idCard.substring(6, 8),
month = idCard.substring(8, 10),
day = idCard.substring(10, 12);
return isValidityBrith(year, month, day);
}
if (idCard.length != 18) return false;
var a_idCard = idCard.split("");
if (a_idCard[17].toLowerCase() == "x") a_idCard[17] = 10;
for (var i = 0; i < 17; i++) {
sum += Wi[i] * a_idCard[i];
}
valCodePosition = sum % 11; //得到验证码所在位置
if (a_idCard[17] != ValideCode[valCodePosition]) return false;
var year = idCard.substring(6, 10),
month = idCard.substring(10, 12),
day = idCard.substring(12, 14);
return isValidityBrith(year, month, day);
};
})(fn.jQuery);
如果差一点,那就再努力一点
