html
<html>
<head>
<title>QR-Code Clock</title>
<meta charset="UTF-8">
<link rel="stylesheet" href="Barcode.css" type="text/css" media="screen" charset="utf-8">
<script src="Barcode.js" type="text/javascript" charset="utf-8"></script>
<script language="JavaScript">
(function (divId) {
var divElement, oldOnLoad = window.onload;
function getTimeString() {
var pad = function (n) {
return n < 10 ? '0' + n.toString(10) : n.toString(10);
}
, dt = new Date();
return [pad(dt.getHours()), pad(dt.getMinutes()), pad(dt.getSeconds())].join(':');
}
function UpdateClock() {
var timeText = getTimeString();
divElement.innerHTML = code128(timeText);
}
window.onload = function () {
divElement = document.getElementById(divId);
UpdateClock();
setInterval(UpdateClock, 1000);
if (typeof oldOnLoad == 'function') oldOnLoad.apply(this, arguments);
}
})('div1');
</script>
</head>
<body>
<input type="button" value="生成" onclick="createBarcode('div128','DuJing','B');"/>
<div class="barcode2" id="div128"></div>
<div class="barcode2" id="div1"></div>
</body>
</html>
js
(function () {
if (!exports) var exports = window;
var BARS = [212222, 222122, 222221, 121223, 121322, 131222, 122213, 122312, 132212, 221213, 221312, 231212, 112232, 122132, 122231, 113222, 123122, 123221, 223211, 221132, 221231, 213212, 223112, 312131, 311222, 321122, 321221, 312212, 322112, 322211, 212123, 212321, 232121, 111323, 131123, 131321, 112313, 132113, 132311, 211313, 231113, 231311, 112133, 112331, 132131, 113123, 113321, 133121, 313121, 211331, 231131, 213113, 213311, 213131, 311123, 311321, 331121, 312113, 312311, 332111, 314111, 221411, 431111, 111224, 111422, 121124, 121421, 141122, 141221, 112214, 112412, 122114, 122411, 142112, 142211, 241211, 221114, 413111, 241112, 134111, 111242, 121142, 121241, 114212, 124112, 124211, 411212, 421112, 421211, 212141, 214121, 412121, 111143, 111341, 131141, 114113, 114311, 411113, 411311, 113141, 114131, 311141, 411131, 211412, 211214, 211232, 23311120]
, START_BASE = 38
, STOP = 106;
function code128(code, barcodeType) {
if (arguments.length < 2)
barcodeType = code128Detect(code);
if (barcodeType == 'C' && code.length % 2 == 1)
code = '0' + code;
var a = parseBarcode(code, barcodeType);
return bar2html(a.join('')) + '<label>' + code + '</label>';
}
function bar2html(s) {
for (var pos = 0, sb = []; pos < s.length; pos += 2) {
sb.push('<div class="bar' + s.charAt(pos) + ' space' + s.charAt(pos + 1) + '"></div>');
}
return sb.join('');
}
function code128Detect(code) {
if (/^[0-9]+$/.test(code)) return 'C';
if (/[a-z]/.test(code)) return 'B';
return 'A';
}
function parseBarcode(barcode, barcodeType) {
var bars = [];
bars.add = function (nr) {
var nrCode = BARS[nr];
this.check = this.length == 0 ? nr : this.check + nr * this.length;
this.push(nrCode || ("UNDEFINED: " + nr + "->" + nrCode));
};
bars.add(START_BASE + barcodeType.charCodeAt(0));
for (var i = 0; i < barcode.length; i++) {
var code = barcodeType == 'C' ? +barcode.substr(i++, 2) : barcode.charCodeAt(i);
converted = fromType[barcodeType](code);
if (isNaN(converted) || converted < 0 || converted > 106) throw new Error("Unrecognized character (" + code + ") at position " + i + " in code '" + barcode + "'.");
bars.add(converted);
}
bars.push(BARS[bars.check % 103], BARS[STOP]);
return bars;
}
var fromType = {
A: function (charCode) {
if (charCode >= 0 && charCode < 32) return charCode + 64;
if (charCode >= 32 && charCode < 96) return charCode - 32;
return charCode;
},
B: function (charCode) {
if (charCode >= 32 && charCode < 128) return charCode - 32;
return charCode;
},
C: function (charCode) {
return charCode;
}
};
//--| Export
exports.code128 = code128;
})();
/*
65. showDiv：代表需要显示的divID，
66. textVlaue ： 代表需要生成的值，
67. barcodeType：代表生成类型(A、B、C)三种类型
68.
69.*/
function createBarcode(showDiv, textValue, barcodeType) {
var divElement = document.getElementById(showDiv);
divElement.innerHTML = code128(textValue, barcodeType);
}
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