JS 人民币大写

/***
** HongShijin
** Me@HongShijin.com
** 2014-10-15 9:13:00.00000
** text/javascript
***/

(function ($)
{

Number.prototype.toRmbString = function ()
{
var c =
{
n: [38646, 22777, 36144, 21441, 32902, 20237, 38470, 26578, 25420, 29590, 25972, 36000], // "零壹贰叁肆伍陆柒捌玖整負";
u: [20191, 20336, 25342, 20140, 20191, 20336, 25342, 21513, 20191, 20336, 25342, 20806, 20191, 20336, 25342, 20740, 20191, 20336, 25342, 33836, 20191, 20336, 25342, 22278, 35282, 20998, 21400, 27627], // "仟佰拾京仟佰拾吉仟佰拾兆仟佰拾億仟佰拾萬仟佰拾圆角分厘毫";//"仟佰拾京仟佰拾吉仟佰拾兆仟佰拾亿仟佰拾万仟佰拾圆角分厘毫"
m: this
};
if (c.m < 0)
c.m *= -1;
for (var i = c.n.length - 1; i >= 0; i--)
{
c.t = c.n[i];
c[c.t] = String.fromCharCode(c.t);
c.n[i] = c[c.t];
}
for (var i = c.u.length - 1; i >= 0; i--)
{
c.t = c.u[i];
c[c.t] = String.fromCharCode(c.t);
c.u[i] = c[c.t];
}
c.t = c.m.toFixed(4).replace('.', '').replace(/^0+([0-9])/img, '$1');
if (c.t == "0")
return c[38646] + c[22278] + c[25972]; // "零圆整";

if (c.t.length > c.u.length)
throw { message: 'the input value too max.' };

c.u = c.u.splice(c.u.length - c.t.length, c.t.length);
for (var i = c.t.length - 1; i >= 0; i--)
c.t = c.t.substring(0, i) + c.n[String.charCodeAt(c.t.substring(i, i + 1)) - String.charCodeAt('0')] + c.u[i] + c.t.substring(i + 1, c.t.length);
c.m = new RegExp(c[38646] + '+[^' + c[22278] + c[33836] + c[20740] + c[20806] + c[21513] + c[20140] + ']', 'img');
c.t = c.t.replace(c.m, c[38646]); // /零+[^圆萬億兆吉京]/img, '零' //t = "壹仟零佰零拾零京叁仟零佰伍拾贰吉零仟零佰零拾零兆叁仟伍佰贰拾零億肆仟零佰贰拾零萬零仟零佰零拾伍圆壹角零分零厘伍毫";
c.m = new RegExp(c[38646] + '{2,}', 'img');
c.t = c.t.replace(c.m, c[38646]); // /零{2,}/img, '零' //t = "壹仟零零零京叁仟零伍拾贰吉零零零零兆叁仟伍佰贰拾零億肆仟零贰拾零萬零零零伍圆壹角零零伍毫"
c.m = new RegExp(c[38646] + '+([' + c[22278] + c[33836] + c[20740] + c[20806] + c[21513] + c[20140] + '])', 'img');
c.t = c.t.replace(c.m, '$1'); // /零+([圆萬億兆吉京])/img, '' //t = "壹仟零京叁仟零伍拾贰吉零兆叁仟伍佰贰拾零億肆仟零贰拾零萬零伍圆壹角零伍毫"
c.m = new RegExp('([' + c[33836] + c[20740] + c[20806] + c[21513] + c[20140] + '])[' + c[33836] + c[20740] + c[20806] + c[21513] + c[20140] + ']+', 'img');
c.t = c.t.replace(c.m, '$1'); // /([萬億兆吉京])[萬億兆吉京]+/img, '$1' //t = "壹仟京叁仟零伍拾贰吉兆叁仟伍佰贰拾億肆仟零贰拾萬零伍圆壹角零伍毫"
c.m = new RegExp('^[' + c[33836] + c[20740] + c[20806] + c[21513] + c[20140] + ']+', 'img');
c.t = c.t.replace(c.m, ''); // /^[萬億兆吉京]+/img, '' //"壹仟京叁仟零伍拾贰吉叁仟伍佰贰拾億肆仟零贰拾萬零伍圆壹角零伍毫"
if (c.t.substring(0, 1) == c[38646])// 零
c.t = c.t.substring(1, c.t.length);
if (c.t.substring(c.t.length - 1, c.t.length) == c[38646])// 零
c.t = c.t.substring(0, c.t.length - 1);
if (c.t.substring(c.t.length - 1, c.t.length) == c[22278])// 圆
c.t = c.t + c[25972]; // "整"
if (this >= 0)
return c.t;

return c[36000] + c.t; // 负 負
};

Number.prototype.toRmb = function ()
{
return this.toRmbString();
};

Number.prototype.rmb = function ()
{
return this.toRmbString();
};

})(null);

//将数字转换为会计可用的人民币大写格式。