• 二维码生成(代码)


    <!DOCTYPE html>
    <html>
    <head>
    <title></title>
    <meta charset="utf-8"/>
    <script src="http://www.luqidong.com/demo/qrcode/js/qrcode.js"></script>
    <style>
    #qrcode{
    /*text-align: center;*/
    /*display: table-cell;*/
    /* 96px;*/
    /*height: 96px;*/
    /*vertical-align:middle;*/
    /*position: relative;*/
    }
    </style>
    </head>
    <body>
    <div id="qrcode">
    </div>

    <input type="text" id="getval"/> <button id="send">点击更换验证码</button>
    <script>
    window.onload =function(){
    var qrcode = new QRCode(document.getElementById("qrcode"), {
    width : 96,//设置宽高
    height : 96
    });
    qrcode.makeCode("http://www.78oa.com");
    document.getElementById("send").onclick =function(){
    qrcode.makeCode(document.getElementById("getval").value);
    }
    }


    </script>
    </body>
    </html>

    =============================================================================

    http://www.luqidong.com/demo/qrcode/js/qrcode.js

    =============================================================================

    /*from tccdn minify at 2014-6-4 14:59:43,file锛�/cn/c/c/qrcode.js*/
    /**
     * @fileoverview
     * - Using the 'QRCode for Javascript library'
     * - Fixed dataset of 'QRCode for Javascript library' for support full-spec.
     * - this library has no dependencies.
     * 
     * @author davidshimjs
     * @see <a href="http://www.d-project.com/" target="_blank">http://www.d-project.com/</a>
     * @see <a href="http://jeromeetienne.github.com/jquery-qrcode/" target="_blank">http://jeromeetienne.github.com/jquery-qrcode/</a>
     */
    var QRCode;
    
    (function () {
    	//---------------------------------------------------------------------
    	// QRCode for JavaScript
    	//
    	// Copyright (c) 2009 Kazuhiko Arase
    	//
    	// URL: http://www.d-project.com/
    	//
    	// Licensed under the MIT license:
    	//   http://www.opensource.org/licenses/mit-license.php
    	//
    	// The word "QR Code" is registered trademark of 
    	// DENSO WAVE INCORPORATED
    	//   http://www.denso-wave.com/qrcode/faqpatent-e.html
    	//
    	//---------------------------------------------------------------------
    	function QR8bitByte(data) {
    		this.mode = QRMode.MODE_8BIT_BYTE;
    		this.data = data;
    		this.parsedData = [];
    
    		// Added to support UTF-8 Characters
    		for (var i = 0, l = this.data.length; i < l; i++) {
    			var byteArray = [];
    			var code = this.data.charCodeAt(i);
    
    			if (code > 0x10000) {
    				byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
    				byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
    				byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
    				byteArray[3] = 0x80 | (code & 0x3F);
    			} else if (code > 0x800) {
    				byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
    				byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
    				byteArray[2] = 0x80 | (code & 0x3F);
    			} else if (code > 0x80) {
    				byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
    				byteArray[1] = 0x80 | (code & 0x3F);
    			} else {
    				byteArray[0] = code;
    			}
    
    			this.parsedData.push(byteArray);
    		}
    
    		this.parsedData = Array.prototype.concat.apply([], this.parsedData);
    
    		if (this.parsedData.length != this.data.length) {
    			this.parsedData.unshift(191);
    			this.parsedData.unshift(187);
    			this.parsedData.unshift(239);
    		}
    	}
    
    	QR8bitByte.prototype = {
    		getLength: function (buffer) {
    			return this.parsedData.length;
    		},
    		write: function (buffer) {
    			for (var i = 0, l = this.parsedData.length; i < l; i++) {
    				buffer.put(this.parsedData[i], 8);
    			}
    		}
    	};
    
    	function QRCodeModel(typeNumber, errorCorrectLevel) {
    		this.typeNumber = typeNumber;
    		this.errorCorrectLevel = errorCorrectLevel;
    		this.modules = null;
    		this.moduleCount = 0;
    		this.dataCache = null;
    		this.dataList = [];
    	}
    
    function QRPolynomial(num, shift) {
        if (num.length == undefined) throw new Error(num.length + "/" + shift);
        var offset = 0;
        while (offset < num.length && num[offset] == 0) offset++;
        this.num = new Array(num.length - offset + shift);
        for (var i = 0; i < num.length - offset; i++) this.num[i] = num[i + offset];
    }
    
    function QRRSBlock(totalCount, dataCount) {
        this.totalCount = totalCount, this.dataCount = dataCount;
    }
    
    function QRBitBuffer() {
        this.buffer = [], this.length = 0;
    }
    
    	QRCodeModel.prototype = {
    	    "addData": function(data) {
    	        var newData = new QR8bitByte(data);
    	        this.dataList.push(newData), this.dataCache = null;
    	    },
    	    "isDark": function(row, col) {
    	        if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) throw new Error(row + "," + col);
    	        return this.modules[row][col];
    	    },
    	    "getModuleCount": function() {
    	        return this.moduleCount;
    	    },
    	    "make": function() {
    	        this.makeImpl(!1, this.getBestMaskPattern());
    	    },
    	    "makeImpl": function(test, maskPattern) {
    	        this.moduleCount = this.typeNumber * 4 + 17, this.modules = new Array(this.moduleCount);
    	        for (var row = 0; row < this.moduleCount; row++) {
    	            this.modules[row] = new Array(this.moduleCount);
    	            for (var col = 0; col < this.moduleCount; col++) this.modules[row][col] = null;
    	        }
    	        this.setupPositionProbePattern(0, 0),
    	        this.setupPositionProbePattern(this.moduleCount - 7, 0),
    	        this.setupPositionProbePattern(0, this.moduleCount - 7),
    	        this.setupPositionAdjustPattern(), this.setupTimingPattern(),
    	        this.setupTypeInfo(test, maskPattern),
    	        this.typeNumber >= 7 && this.setupTypeNumber(test),
    	        this.dataCache == null && (this.dataCache = QRCodeModel.createData(this.typeNumber, this.errorCorrectLevel, this.dataList)), this.mapData(this.dataCache, maskPattern);
    	    },
    	    "setupPositionProbePattern": function(row, col) {
    	        for (var r = -1; r <= 7; r++) {
    	            if (row + r <= -1 || this.moduleCount <= row + r) continue;
    	            for (var c = -1; c <= 7; c++) {
    	                if (col + c <= -1 || this.moduleCount <= col + c) continue;
    	                0 <= r && r <= 6 && (c == 0 || c == 6) || 0 <= c && c <= 6 && (r == 0 || r == 6) || 2 <= r && r <= 4 && 2 <= c && c <= 4 ? this.modules[row + r][col + c] = !0 : this.modules[row + r][col + c] = !1;
    	            }
    	        }
    	    },
    	    "getBestMaskPattern": function() {
    	        var minLostPoint = 0, pattern = 0;
    	        for (var i = 0; i < 8; i++) {
    	            this.makeImpl(!0, i);
    	            var lostPoint = QRUtil.getLostPoint(this);
    	            if (i == 0 || minLostPoint > lostPoint) minLostPoint = lostPoint, pattern = i;
    	        }
    	        return pattern;
    	    },
    	    "createMovieClip": function(target_mc, instance_name, depth) {
    	        var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth), cs = 1;
    	        this.make();
    	        for (var row = 0; row < this.modules.length; row++) {
    	            var y = row * cs;
    	            for (var col = 0; col < this.modules[row].length; col++) {
    	                var x = col * cs, dark = this.modules[row][col];
    	                dark && (qr_mc.beginFill(0, 100), qr_mc.moveTo(x, y), qr_mc.lineTo(x + cs, y), qr_mc.lineTo(x + cs, y + cs), qr_mc.lineTo(x, y + cs), qr_mc.endFill());
    	            }
    	        }
    	        return qr_mc;
    	    },
    	    "setupTimingPattern": function() {
    	        for (var r = 8; r < this.moduleCount - 8; r++) {
    	            if (this.modules[r][6] != null) continue;
    	            this.modules[r][6] = r % 2 == 0;
    	        }
    	        for (var c = 8; c < this.moduleCount - 8; c++) {
    	            if (this.modules[6][c] != null) continue;
    	            this.modules[6][c] = c % 2 == 0;
    	        }
    	    },
    	    "setupPositionAdjustPattern": function() {
    	        var pos = QRUtil.getPatternPosition(this.typeNumber);
    	        for (var i = 0; i < pos.length; i++) for (var j = 0; j < pos.length; j++) {
    	            var row = pos[i], col = pos[j];
    	            if (this.modules[row][col] != null) continue;
    	            for (var r = -2; r <= 2; r++) for (var c = -2; c <= 2; c++) r == -2 || r == 2 || c == -2 || c == 2 || r == 0 && c == 0 ? this.modules[row + r][col + c] = !0 : this.modules[row + r][col + c] = !1;
    	        }
    	    },
    	    "setupTypeNumber": function(test) {
    	        var bits = QRUtil.getBCHTypeNumber(this.typeNumber);
    	        for (var i = 0; i < 18; i++) {
    	            var mod = !test && (bits >> i & 1) == 1;
    	            this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod;
    	        }
    	        for (var i = 0; i < 18; i++) {
    	            var mod = !test && (bits >> i & 1) == 1;
    	            this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
    	        }
    	    },
    	    "setupTypeInfo": function(test, maskPattern) {
    	        var data = this.errorCorrectLevel << 3 | maskPattern, bits = QRUtil.getBCHTypeInfo(data);
    	        for (var i = 0; i < 15; i++) {
    	            var mod = !test && (bits >> i & 1) == 1;
    	            i < 6 ? this.modules[i][8] = mod : i < 8 ? this.modules[i + 1][8] = mod : this.modules[this.moduleCount - 15 + i][8] = mod;
    	        }
    	        for (var i = 0; i < 15; i++) {
    	            var mod = !test && (bits >> i & 1) == 1;
    	            i < 8 ? this.modules[8][this.moduleCount - i - 1] = mod : i < 9 ? this.modules[8][15 - i - 1 + 1] = mod : this.modules[8][15 - i - 1] = mod;
    	        }
    	        this.modules[this.moduleCount - 8][8] = !test;
    	    },
    	    "mapData": function(data, maskPattern) {
    	        var inc = -1, row = this.moduleCount - 1, bitIndex = 7, byteIndex = 0;
    	        for (var col = this.moduleCount - 1; col > 0; col -= 2) {
    	            col == 6 && col--;
    	            for (;;) {
    	                for (var c = 0; c < 2; c++) if (this.modules[row][col - c] == null) {
    	                    var dark = !1;
    	                    byteIndex < data.length && (dark = (data[byteIndex] >>> bitIndex & 1) == 1);
    	                    var mask = QRUtil.getMask(maskPattern, row, col - c);
    	                    mask && (dark = !dark), this.modules[row][col - c] = dark, bitIndex--, bitIndex == -1 && (byteIndex++, bitIndex = 7);
    	                }
    	                row += inc;
    	                if (row < 0 || this.moduleCount <= row) {
    	                    row -= inc, inc = -inc;
    	                    break;
    	                }
    	            }
    	        }
    	    }
    	}, QRCodeModel.PAD0 = 236, QRCodeModel.PAD1 = 17, QRCodeModel.createData = function(typeNumber, errorCorrectLevel, dataList) {
    	    var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel), buffer = new QRBitBuffer;
    	    for (var i = 0; i < dataList.length; i++) {
    	        var data = dataList[i];
    	        buffer.put(data.mode, 4), buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber)), data.write(buffer);
    	    }
    	    var totalDataCount = 0;
    	    for (var i = 0; i < rsBlocks.length; i++) totalDataCount += rsBlocks[i].dataCount;
    	    if (buffer.getLengthInBits() > totalDataCount * 8) throw new Error("code length overflow. (" + buffer.getLengthInBits() + ">" + totalDataCount * 8 + ")");
    	    buffer.getLengthInBits() + 4 <= totalDataCount * 8 && buffer.put(0, 4);
    	    while (buffer.getLengthInBits() % 8 != 0) buffer.putBit(!1);
    	    for (;;) {
    	        if (buffer.getLengthInBits() >= totalDataCount * 8) break;
    	        buffer.put(QRCodeModel.PAD0, 8);
    	        if (buffer.getLengthInBits() >= totalDataCount * 8) break;
    	        buffer.put(QRCodeModel.PAD1, 8);
    	    }
    	    return QRCodeModel.createBytes(buffer, rsBlocks);
    	}, QRCodeModel.createBytes = function(buffer, rsBlocks) {
    	    var offset = 0, maxDcCount = 0, maxEcCount = 0, dcdata = new Array(rsBlocks.length), ecdata = new Array(rsBlocks.length);
    	    for (var r = 0; r < rsBlocks.length; r++) {
    	        var dcCount = rsBlocks[r].dataCount, ecCount = rsBlocks[r].totalCount - dcCount;
    	        maxDcCount = Math.max(maxDcCount, dcCount), maxEcCount = Math.max(maxEcCount, ecCount), dcdata[r] = new Array(dcCount);
    	        for (var i = 0; i < dcdata[r].length; i++) dcdata[r][i] = 255 & buffer.buffer[i + offset];
    	        offset += dcCount;
    	        var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount), rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1), modPoly = rawPoly.mod(rsPoly);
    	        ecdata[r] = new Array(rsPoly.getLength() - 1);
    	        for (var i = 0; i < ecdata[r].length; i++) {
    	            var modIndex = i + modPoly.getLength() - ecdata[r].length;
    	            ecdata[r][i] = modIndex >= 0 ? modPoly.get(modIndex) : 0;
    	        }
    	    }
    	    var totalCodeCount = 0;
    	    for (var i = 0; i < rsBlocks.length; i++) totalCodeCount += rsBlocks[i].totalCount;
    	    var data = new Array(totalCodeCount), index = 0;
    	    for (var i = 0; i < maxDcCount; i++) for (var r = 0; r < rsBlocks.length; r++) i < dcdata[r].length && (data[index++] = dcdata[r][i]);
    	    for (var i = 0; i < maxEcCount; i++) for (var r = 0; r < rsBlocks.length; r++) i < ecdata[r].length && (data[index++] = ecdata[r][i]);
    	    return data;
    	};
    
    	var QRMode = {
    	    "MODE_NUMBER": 1,
    	    "MODE_ALPHA_NUM": 2,
    	    "MODE_8BIT_BYTE": 4,
    	    "MODE_KANJI": 8
    	}, QRErrorCorrectLevel = {
    	    "L": 1,
    	    "M": 0,
    	    "Q": 3,
    	    "H": 2
    	}, QRMaskPattern = {
    	    "PATTERN000": 0,
    	    "PATTERN001": 1,
    	    "PATTERN010": 2,
    	    "PATTERN011": 3,
    	    "PATTERN100": 4,
    	    "PATTERN101": 5,
    	    "PATTERN110": 6,
    	    "PATTERN111": 7
    	}, QRUtil = {
    	    "PATTERN_POSITION_TABLE": [ [], [ 6, 18 ], [ 6, 22 ], [ 6, 26 ], [ 6, 30 ], [ 6, 34 ], [ 6, 22, 38 ], [ 6, 24, 42 ], [ 6, 26, 46 ], [ 6, 28, 50 ], [ 6, 30, 54 ], [ 6, 32, 58 ], [ 6, 34, 62 ], [ 6, 26, 46, 66 ], [ 6, 26, 48, 70 ], [ 6, 26, 50, 74 ], [ 6, 30, 54, 78 ], [ 6, 30, 56, 82 ], [ 6, 30, 58, 86 ], [ 6, 34, 62, 90 ], [ 6, 28, 50, 72, 94 ], [ 6, 26, 50, 74, 98 ], [ 6, 30, 54, 78, 102 ], [ 6, 28, 54, 80, 106 ], [ 6, 32, 58, 84, 110 ], [ 6, 30, 58, 86, 114 ], [ 6, 34, 62, 90, 118 ], [ 6, 26, 50, 74, 98, 122 ], [ 6, 30, 54, 78, 102, 126 ], [ 6, 26, 52, 78, 104, 130 ], [ 6, 30, 56, 82, 108, 134 ], [ 6, 34, 60, 86, 112, 138 ], [ 6, 30, 58, 86, 114, 142 ], [ 6, 34, 62, 90, 118, 146 ], [ 6, 30, 54, 78, 102, 126, 150 ], [ 6, 24, 50, 76, 102, 128, 154 ], [ 6, 28, 54, 80, 106, 132, 158 ], [ 6, 32, 58, 84, 110, 136, 162 ], [ 6, 26, 54, 82, 110, 138, 166 ], [ 6, 30, 58, 86, 114, 142, 170 ] ],
    	    "G15": 1335,
    	    "G18": 7973,
    	    "G15_MASK": 21522,
    	    "getBCHTypeInfo": function(data) {
    	        var d = data << 10;
    	        while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) d ^= QRUtil.G15 << QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15);
    	        return (data << 10 | d) ^ QRUtil.G15_MASK;
    	    },
    	    "getBCHTypeNumber": function(data) {
    	        var d = data << 12;
    	        while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) d ^= QRUtil.G18 << QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18);
    	        return data << 12 | d;
    	    },
    	    "getBCHDigit": function(data) {
    	        var digit = 0;
    	        while (data != 0) digit++, data >>>= 1;
    	        return digit;
    	    },
    	    "getPatternPosition": function(typeNumber) {
    	        return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1];
    	    },
    	    "getMask": function(maskPattern, i, j) {
    	        switch (maskPattern) {
    	          case QRMaskPattern.PATTERN000:
    	            return (i + j) % 2 == 0;
    	          case QRMaskPattern.PATTERN001:
    	            return i % 2 == 0;
    	          case QRMaskPattern.PATTERN010:
    	            return j % 3 == 0;
    	          case QRMaskPattern.PATTERN011:
    	            return (i + j) % 3 == 0;
    	          case QRMaskPattern.PATTERN100:
    	            return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;
    	          case QRMaskPattern.PATTERN101:
    	            return i * j % 2 + i * j % 3 == 0;
    	          case QRMaskPattern.PATTERN110:
    	            return (i * j % 2 + i * j % 3) % 2 == 0;
    	          case QRMaskPattern.PATTERN111:
    	            return (i * j % 3 + (i + j) % 2) % 2 == 0;
    	          default:
    	            throw new Error("bad maskPattern:" + maskPattern);
    	        }
    	    },
    	    "getErrorCorrectPolynomial": function(errorCorrectLength) {
    	        var a = new QRPolynomial([ 1 ], 0);
    	        for (var i = 0; i < errorCorrectLength; i++) a = a.multiply(new QRPolynomial([ 1, QRMath.gexp(i) ], 0));
    	        return a;
    	    },
    	    "getLengthInBits": function(mode, type) {
    	        if (1 <= type && type < 10) switch (mode) {
    	          case QRMode.MODE_NUMBER:
    	            return 10;
    	          case QRMode.MODE_ALPHA_NUM:
    	            return 9;
    	          case QRMode.MODE_8BIT_BYTE:
    	            return 8;
    	          case QRMode.MODE_KANJI:
    	            return 8;
    	          default:
    	            throw new Error("mode:" + mode);
    	        } else if (type < 27) switch (mode) {
    	          case QRMode.MODE_NUMBER:
    	            return 12;
    	          case QRMode.MODE_ALPHA_NUM:
    	            return 11;
    	          case QRMode.MODE_8BIT_BYTE:
    	            return 16;
    	          case QRMode.MODE_KANJI:
    	            return 10;
    	          default:
    	            throw new Error("mode:" + mode);
    	        } else {
    	            if (!(type < 41)) throw new Error("type:" + type);
    	            switch (mode) {
    	              case QRMode.MODE_NUMBER:
    	                return 14;
    	              case QRMode.MODE_ALPHA_NUM:
    	                return 13;
    	              case QRMode.MODE_8BIT_BYTE:
    	                return 16;
    	              case QRMode.MODE_KANJI:
    	                return 12;
    	              default:
    	                throw new Error("mode:" + mode);
    	            }
    	        }
    	    },
    	    "getLostPoint": function(qrCode) {
    	        var moduleCount = qrCode.getModuleCount(), lostPoint = 0;
    	        for (var row = 0; row < moduleCount; row++) for (var col = 0; col < moduleCount; col++) {
    	            var sameCount = 0, dark = qrCode.isDark(row, col);
    	            for (var r = -1; r <= 1; r++) {
    	                if (row + r < 0 || moduleCount <= row + r) continue;
    	                for (var c = -1; c <= 1; c++) {
    	                    if (col + c < 0 || moduleCount <= col + c) continue;
    	                    if (r == 0 && c == 0) continue;
    	                    dark == qrCode.isDark(row + r, col + c) && sameCount++;
    	                }
    	            }
    	            sameCount > 5 && (lostPoint += 3 + sameCount - 5);
    	        }
    	        for (var row = 0; row < moduleCount - 1; row++) for (var col = 0; col < moduleCount - 1; col++) {
    	            var count = 0;
    	            qrCode.isDark(row, col) && count++, qrCode.isDark(row + 1, col) && count++, qrCode.isDark(row, col + 1) && count++, qrCode.isDark(row + 1, col + 1) && count++;
    	            if (count == 0 || count == 4) lostPoint += 3;
    	        }
    	        for (var row = 0; row < moduleCount; row++) for (var col = 0; col < moduleCount - 6; col++) qrCode.isDark(row, col) && !qrCode.isDark(row, col + 1) && qrCode.isDark(row, col + 2) && qrCode.isDark(row, col + 3) && qrCode.isDark(row, col + 4) && !qrCode.isDark(row, col + 5) && qrCode.isDark(row, col + 6) && (lostPoint += 40);
    	        for (var col = 0; col < moduleCount; col++) for (var row = 0; row < moduleCount - 6; row++) qrCode.isDark(row, col) && !qrCode.isDark(row + 1, col) && qrCode.isDark(row + 2, col) && qrCode.isDark(row + 3, col) && qrCode.isDark(row + 4, col) && !qrCode.isDark(row + 5, col) && qrCode.isDark(row + 6, col) && (lostPoint += 40);
    	        var darkCount = 0;
    	        for (var col = 0; col < moduleCount; col++) for (var row = 0; row < moduleCount; row++) qrCode.isDark(row, col) && darkCount++;
    	        var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
    	        return lostPoint += ratio * 10, lostPoint;
    	    }
    	}, QRMath = {
    	    "glog": function(n) {
    	        if (n < 1) throw new Error("glog(" + n + ")");
    	        return QRMath.LOG_TABLE[n];
    	    },
    	    "gexp": function(n) {
    	        while (n < 0) n += 255;
    	        while (n >= 256) n -= 255;
    	        return QRMath.EXP_TABLE[n];
    	    },
    	    "EXP_TABLE": new Array(256),
    	    "LOG_TABLE": new Array(256)
    	};
    
    	for (var i = 0; i < 8; i++) QRMath.EXP_TABLE[i] = 1 << i;
    
    	for (var i = 8; i < 256; i++) QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^ QRMath.EXP_TABLE[i - 5] ^ QRMath.EXP_TABLE[i - 6] ^ QRMath.EXP_TABLE[i - 8];
    
    	for (var i = 0; i < 255; i++) QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i;
    
    	QRPolynomial.prototype = {
    	    "get": function(index) {
    	        return this.num[index];
    	    },
    	    "getLength": function() {
    	        return this.num.length;
    	    },
    	    "multiply": function(e) {
    	        var num = new Array(this.getLength() + e.getLength() - 1);
    	        for (var i = 0; i < this.getLength(); i++) for (var j = 0; j < e.getLength(); j++) num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i)) + QRMath.glog(e.get(j)));
    	        return new QRPolynomial(num, 0);
    	    },
    	    "mod": function(e) {
    	        if (this.getLength() - e.getLength() < 0) return this;
    	        var ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0)), num = new Array(this.getLength());
    	        for (var i = 0; i < this.getLength(); i++) num[i] = this.get(i);
    	        for (var i = 0; i < e.getLength(); i++) num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio);
    	        return (new QRPolynomial(num, 0)).mod(e);
    	    }
    	}, QRRSBlock.RS_BLOCK_TABLE = [ [ 1, 26, 19 ], [ 1, 26, 16 ], [ 1, 26, 13 ], [ 1, 26, 9 ], [ 1, 44, 34 ], [ 1, 44, 28 ], [ 1, 44, 22 ], [ 1, 44, 16 ], [ 1, 70, 55 ], [ 1, 70, 44 ], [ 2, 35, 17 ], [ 2, 35, 13 ], [ 1, 100, 80 ], [ 2, 50, 32 ], [ 2, 50, 24 ], [ 4, 25, 9 ], [ 1, 134, 108 ], [ 2, 67, 43 ], [ 2, 33, 15, 2, 34, 16 ], [ 2, 33, 11, 2, 34, 12 ], [ 2, 86, 68 ], [ 4, 43, 27 ], [ 4, 43, 19 ], [ 4, 43, 15 ], [ 2, 98, 78 ], [ 4, 49, 31 ], [ 2, 32, 14, 4, 33, 15 ], [ 4, 39, 13, 1, 40, 14 ], [ 2, 121, 97 ], [ 2, 60, 38, 2, 61, 39 ], [ 4, 40, 18, 2, 41, 19 ], [ 4, 40, 14, 2, 41, 15 ], [ 2, 146, 116 ], [ 3, 58, 36, 2, 59, 37 ], [ 4, 36, 16, 4, 37, 17 ], [ 4, 36, 12, 4, 37, 13 ], [ 2, 86, 68, 2, 87, 69 ], [ 4, 69, 43, 1, 70, 44 ], [ 6, 43, 19, 2, 44, 20 ], [ 6, 43, 15, 2, 44, 16 ], [ 4, 101, 81 ], [ 1, 80, 50, 4, 81, 51 ], [ 4, 50, 22, 4, 51, 23 ], [ 3, 36, 12, 8, 37, 13 ], [ 2, 116, 92, 2, 117, 93 ], [ 6, 58, 36, 2, 59, 37 ], [ 4, 46, 20, 6, 47, 21 ], [ 7, 42, 14, 4, 43, 15 ], [ 4, 133, 107 ], [ 8, 59, 37, 1, 60, 38 ], [ 8, 44, 20, 4, 45, 21 ], [ 12, 33, 11, 4, 34, 12 ], [ 3, 145, 115, 1, 146, 116 ], [ 4, 64, 40, 5, 65, 41 ], [ 11, 36, 16, 5, 37, 17 ], [ 11, 36, 12, 5, 37, 13 ], [ 5, 109, 87, 1, 110, 88 ], [ 5, 65, 41, 5, 66, 42 ], [ 5, 54, 24, 7, 55, 25 ], [ 11, 36, 12 ], [ 5, 122, 98, 1, 123, 99 ], [ 7, 73, 45, 3, 74, 46 ], [ 15, 43, 19, 2, 44, 20 ], [ 3, 45, 15, 13, 46, 16 ], [ 1, 135, 107, 5, 136, 108 ], [ 10, 74, 46, 1, 75, 47 ], [ 1, 50, 22, 15, 51, 23 ], [ 2, 42, 14, 17, 43, 15 ], [ 5, 150, 120, 1, 151, 121 ], [ 9, 69, 43, 4, 70, 44 ], [ 17, 50, 22, 1, 51, 23 ], [ 2, 42, 14, 19, 43, 15 ], [ 3, 141, 113, 4, 142, 114 ], [ 3, 70, 44, 11, 71, 45 ], [ 17, 47, 21, 4, 48, 22 ], [ 9, 39, 13, 16, 40, 14 ], [ 3, 135, 107, 5, 136, 108 ], [ 3, 67, 41, 13, 68, 42 ], [ 15, 54, 24, 5, 55, 25 ], [ 15, 43, 15, 10, 44, 16 ], [ 4, 144, 116, 4, 145, 117 ], [ 17, 68, 42 ], [ 17, 50, 22, 6, 51, 23 ], [ 19, 46, 16, 6, 47, 17 ], [ 2, 139, 111, 7, 140, 112 ], [ 17, 74, 46 ], [ 7, 54, 24, 16, 55, 25 ], [ 34, 37, 13 ], [ 4, 151, 121, 5, 152, 122 ], [ 4, 75, 47, 14, 76, 48 ], [ 11, 54, 24, 14, 55, 25 ], [ 16, 45, 15, 14, 46, 16 ], [ 6, 147, 117, 4, 148, 118 ], [ 6, 73, 45, 14, 74, 46 ], [ 11, 54, 24, 16, 55, 25 ], [ 30, 46, 16, 2, 47, 17 ], [ 8, 132, 106, 4, 133, 107 ], [ 8, 75, 47, 13, 76, 48 ], [ 7, 54, 24, 22, 55, 25 ], [ 22, 45, 15, 13, 46, 16 ], [ 10, 142, 114, 2, 143, 115 ], [ 19, 74, 46, 4, 75, 47 ], [ 28, 50, 22, 6, 51, 23 ], [ 33, 46, 16, 4, 47, 17 ], [ 8, 152, 122, 4, 153, 123 ], [ 22, 73, 45, 3, 74, 46 ], [ 8, 53, 23, 26, 54, 24 ], [ 12, 45, 15, 28, 46, 16 ], [ 3, 147, 117, 10, 148, 118 ], [ 3, 73, 45, 23, 74, 46 ], [ 4, 54, 24, 31, 55, 25 ], [ 11, 45, 15, 31, 46, 16 ], [ 7, 146, 116, 7, 147, 117 ], [ 21, 73, 45, 7, 74, 46 ], [ 1, 53, 23, 37, 54, 24 ], [ 19, 45, 15, 26, 46, 16 ], [ 5, 145, 115, 10, 146, 116 ], [ 19, 75, 47, 10, 76, 48 ], [ 15, 54, 24, 25, 55, 25 ], [ 23, 45, 15, 25, 46, 16 ], [ 13, 145, 115, 3, 146, 116 ], [ 2, 74, 46, 29, 75, 47 ], [ 42, 54, 24, 1, 55, 25 ], [ 23, 45, 15, 28, 46, 16 ], [ 17, 145, 115 ], [ 10, 74, 46, 23, 75, 47 ], [ 10, 54, 24, 35, 55, 25 ], [ 19, 45, 15, 35, 46, 16 ], [ 17, 145, 115, 1, 146, 116 ], [ 14, 74, 46, 21, 75, 47 ], [ 29, 54, 24, 19, 55, 25 ], [ 11, 45, 15, 46, 46, 16 ], [ 13, 145, 115, 6, 146, 116 ], [ 14, 74, 46, 23, 75, 47 ], [ 44, 54, 24, 7, 55, 25 ], [ 59, 46, 16, 1, 47, 17 ], [ 12, 151, 121, 7, 152, 122 ], [ 12, 75, 47, 26, 76, 48 ], [ 39, 54, 24, 14, 55, 25 ], [ 22, 45, 15, 41, 46, 16 ], [ 6, 151, 121, 14, 152, 122 ], [ 6, 75, 47, 34, 76, 48 ], [ 46, 54, 24, 10, 55, 25 ], [ 2, 45, 15, 64, 46, 16 ], [ 17, 152, 122, 4, 153, 123 ], [ 29, 74, 46, 14, 75, 47 ], [ 49, 54, 24, 10, 55, 25 ], [ 24, 45, 15, 46, 46, 16 ], [ 4, 152, 122, 18, 153, 123 ], [ 13, 74, 46, 32, 75, 47 ], [ 48, 54, 24, 14, 55, 25 ], [ 42, 45, 15, 32, 46, 16 ], [ 20, 147, 117, 4, 148, 118 ], [ 40, 75, 47, 7, 76, 48 ], [ 43, 54, 24, 22, 55, 25 ], [ 10, 45, 15, 67, 46, 16 ], [ 19, 148, 118, 6, 149, 119 ], [ 18, 75, 47, 31, 76, 48 ], [ 34, 54, 24, 34, 55, 25 ], [ 20, 45, 15, 61, 46, 16 ] ], QRRSBlock.getRSBlocks = function(typeNumber, errorCorrectLevel) {
    	    var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);
    	    if (rsBlock == undefined) throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel);
    	    var length = rsBlock.length / 3, list = [];
    	    for (var i = 0; i < length; i++) {
    	        var count = rsBlock[i * 3 + 0], totalCount = rsBlock[i * 3 + 1], dataCount = rsBlock[i * 3 + 2];
    	        for (var j = 0; j < count; j++) list.push(new QRRSBlock(totalCount, dataCount));
    	    }
    	    return list;
    	}, QRRSBlock.getRsBlockTable = function(typeNumber, errorCorrectLevel) {
    	    switch (errorCorrectLevel) {
    	      case QRErrorCorrectLevel.L:
    	        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
    	      case QRErrorCorrectLevel.M:
    	        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
    	      case QRErrorCorrectLevel.Q:
    	        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
    	      case QRErrorCorrectLevel.H:
    	        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
    	      default:
    	        return undefined;
    	    }
    	}, QRBitBuffer.prototype = {
    	    "get": function(index) {
    	        var bufIndex = Math.floor(index / 8);
    	        return (this.buffer[bufIndex] >>> 7 - index % 8 & 1) == 1;
    	    },
    	    "put": function(num, length) {
    	        for (var i = 0; i < length; i++) this.putBit((num >>> length - i - 1 & 1) == 1);
    	    },
    	    "getLengthInBits": function() {
    	        return this.length;
    	    },
    	    "putBit": function(bit) {
    	        var bufIndex = Math.floor(this.length / 8);
    	        this.buffer.length <= bufIndex && this.buffer.push(0), bit && (this.buffer[bufIndex] |= 128 >>> this.length % 8), this.length++;
    	    }
    	};
    	var QRCodeLimitLength=[[17,14,11,7],[32,26,20,14],[53,42,32,24],[78,62,46,34],[106,84,60,44],[134,106,74,58],[154,122,86,64],[192,152,108,84],[230,180,130,98],[271,213,151,119],[321,251,177,137],[367,287,203,155],[425,331,241,177],[458,362,258,194],[520,412,292,220],[586,450,322,250],[644,504,364,280],[718,560,394,310],[792,624,442,338],[858,666,482,382],[929,711,509,403],[1003,779,565,439],[1091,857,611,461],[1171,911,661,511],[1273,997,715,535],[1367,1059,751,593],[1465,1125,805,625],[1528,1190,868,658],[1628,1264,908,698],[1732,1370,982,742],[1840,1452,1030,790],[1952,1538,1112,842],[2068,1628,1168,898],[2188,1722,1228,958],[2303,1809,1283,983],[2431,1911,1351,1051],[2563,1989,1423,1093],[2699,2099,1499,1139],[2809,2213,1579,1219],[2953,2331,1663,1273]];
    	
    	function _isSupportCanvas() {
    		return typeof CanvasRenderingContext2D != "undefined";
    	}
    	
    	// android 2.x doesn't support Data-URI spec
    	function _getAndroid() {
    		var android = false;
    		var sAgent = navigator.userAgent;
    		
    		if (/android/i.test(sAgent)) { // android
    			android = true;
    			aMat = sAgent.toString().match(/android ([0-9].[0-9])/i);
    			
    			if (aMat && aMat[1]) {
    				android = parseFloat(aMat[1]);
    			}
    		}
    		
    		return android;
    	}
    	
    	var svgDrawer = (function() {
    
    		var Drawing = function (el, htOption) {
    			this._el = el;
    			this._htOption = htOption;
    		};
    
    		Drawing.prototype.draw = function (oQRCode) {
    			var _htOption = this._htOption;
    			var _el = this._el;
    			var nCount = oQRCode.getModuleCount();
    			var nWidth = Math.floor(_htOption.width / nCount);
    			var nHeight = Math.floor(_htOption.height / nCount);
    
    			this.clear();
    
    			function makeSVG(tag, attrs) {
    				var el = document.createElementNS('http://www.w3.org/2000/svg', tag);
    				for (var k in attrs)
    					if (attrs.hasOwnProperty(k)) el.setAttribute(k, attrs[k]);
    				return el;
    			}
    
    			var svg = makeSVG("svg" , {'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), 'width': '100%', 'height': '100%', 'fill': _htOption.colorLight});
    			svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink");
    			_el.appendChild(svg);
    
    			svg.appendChild(makeSVG("rect", {"fill": _htOption.colorDark, "width": "1", "height": "1", "id": "template"}));
    
    			for (var row = 0; row < nCount; row++) {
    				for (var col = 0; col < nCount; col++) {
    					if (oQRCode.isDark(row, col)) {
    						var child = makeSVG("use", {"x": String(row), "y": String(col)});
    						child.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template")
    						svg.appendChild(child);
    					}
    				}
    			}
    		};
    		Drawing.prototype.clear = function () {
    			while (this._el.hasChildNodes())
    				this._el.removeChild(this._el.lastChild);
    		};
    		return Drawing;
    	})();
    
    	var useSVG = document.documentElement.tagName.toLowerCase() === "svg";
    
    	// Drawing in DOM by using Table tag
    	var Drawing = useSVG ? svgDrawer : !_isSupportCanvas() ? (function () {
    		var Drawing = function (el, htOption) {
    			this._el = el;
    			this._htOption = htOption;
    		};
    			
    		/**
    		 * Draw the QRCode
    		 * 
    		 * @param {QRCode} oQRCode
    		 */
    		Drawing.prototype.draw = function (oQRCode) {
                var _htOption = this._htOption;
                var _el = this._el;
    			var nCount = oQRCode.getModuleCount();
    			var nWidth = Math.floor(_htOption.width / nCount);
    			var nHeight = Math.floor(_htOption.height / nCount);
    			var aHTML = ['<table style="border:0;border-collapse:collapse;">'];
    			
    			for (var row = 0; row < nCount; row++) {
    				aHTML.push('<tr>');
    				
    				for (var col = 0; col < nCount; col++) {
    					aHTML.push('<td style="border:0;border-collapse:collapse;padding:0;margin:0;' + nWidth + 'px;height:' + nHeight + 'px;"></td>');
    				}
    				
    				aHTML.push('</tr>');
    			}
    			
    			aHTML.push('</table>');
    			_el.innerHTML = aHTML.join('');
    			
    			// Fix the margin values as real size.
    			var elTable = _el.childNodes[0];
    			var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2;
    			var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2;
    			if (nLeftMarginTable > 0 && nTopMarginTable > 0) {
    				elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px";	
    			}
    		};
    		
    		/**
    		 * Clear the QRCode
    		 */
    		Drawing.prototype.clear = function () {
    			this._el.innerHTML = '';
    		};
    		
    		return Drawing;
    	})() : (function () { // Drawing in Canvas
    		function _onMakeImage() {
    			this._elImage.src = this._elCanvas.toDataURL("image/png");
    			this._elImage.style.display = "block";
    			this._elCanvas.style.display = "none";			
    		}
    		
    		// Android 2.1 bug workaround
    		// http://code.google.com/p/android/issues/detail?id=5141
    		if (this._android && this._android <= 2.1) {
    	    	var factor = 1 / window.devicePixelRatio;
    	        var drawImage = CanvasRenderingContext2D.prototype.drawImage; 
    	    	CanvasRenderingContext2D.prototype.drawImage = function (image, sx, sy, sw, sh, dx, dy, dw, dh) {
    	    		if (("nodeName" in image) && /img/i.test(image.nodeName)) {
    		        	for (var i = arguments.length - 1; i >= 1; i--) {
    		            	arguments[i] = arguments[i] * factor;
    		        	}
    	    		} else if (typeof dw == "undefined") {
    	    			arguments[1] *= factor;
    	    			arguments[2] *= factor;
    	    			arguments[3] *= factor;
    	    			arguments[4] *= factor;
    	    		}
    	    		
    	        	drawImage.apply(this, arguments); 
    	    	};
    		}
    		
    		/**
    		 * Check whether the user's browser supports Data URI or not
    		 * 
    		 * @private
    		 * @param {Function} fSuccess Occurs if it supports Data URI
    		 * @param {Function} fFail Occurs if it doesn't support Data URI
    		 */
    		function _safeSetDataURI(fSuccess, fFail) {
                var self = this;
                self._fFail = fFail;
                self._fSuccess = fSuccess;
    
                // Check it just once
                if (self._bSupportDataURI === null) {
                    var el = document.createElement("img");
                    var fOnError = function() {
                        self._bSupportDataURI = false;
    
                        if (self._fFail) {
                            _fFail.call(self);
                        }
                    };
                    var fOnSuccess = function() {
                        self._bSupportDataURI = true;
    
                        if (self._fSuccess) {
                            self._fSuccess.call(self);
                        }
                    };
    
                    el.onabort = fOnError;
                    el.onerror = fOnError;
                    el.onload = fOnSuccess;
                    el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data.
                    return;
                } else if (self._bSupportDataURI === true && self._fSuccess) {
                    self._fSuccess.call(self);
                } else if (self._bSupportDataURI === false && self._fFail) {
                    self._fFail.call(self);
                }
    		};
    		
    		/**
    		 * Drawing QRCode by using canvas
    		 * 
    		 * @constructor
    		 * @param {HTMLElement} el
    		 * @param {Object} htOption QRCode Options 
    		 */
    		var Drawing = function (el, htOption) {
        		this._bIsPainted = false;
        		this._android = _getAndroid();
    		
    			this._htOption = htOption;
    			this._elCanvas = document.createElement("canvas");
    			this._elCanvas.width = htOption.width;
    			this._elCanvas.height = htOption.height;
    			el.appendChild(this._elCanvas);
    			this._el = el;
    			this._oContext = this._elCanvas.getContext("2d");
    			this._bIsPainted = false;
    			this._elImage = document.createElement("img");
    			this._elImage.alt = "Scan me!";
    			this._elImage.style.display = "none";
    			this._el.appendChild(this._elImage);
    			this._bSupportDataURI = null;
    		};
    			
    		/**
    		 * Draw the QRCode
    		 * 
    		 * @param {QRCode} oQRCode 
    		 */
    		Drawing.prototype.draw = function (oQRCode) {
                var _elImage = this._elImage;
                var _oContext = this._oContext;
                var _htOption = this._htOption;
                
    			var nCount = oQRCode.getModuleCount();
    			var nWidth = _htOption.width / nCount;
    			var nHeight = _htOption.height / nCount;
    			var nRoundedWidth = Math.round(nWidth);
    			var nRoundedHeight = Math.round(nHeight);
    
    			_elImage.style.display = "none";
    			this.clear();
    			
    			for (var row = 0; row < nCount; row++) {
    				for (var col = 0; col < nCount; col++) {
    					var bIsDark = oQRCode.isDark(row, col);
    					var nLeft = col * nWidth;
    					var nTop = row * nHeight;
    					_oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
    					_oContext.lineWidth = 1;
    					_oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;					
    					_oContext.fillRect(nLeft, nTop, nWidth, nHeight);
    					
    					// 鞎堩嫲 鞎�Μ鞏挫嫳 氚╈� 觳橂Μ
    					_oContext.strokeRect(
    						Math.floor(nLeft) + 0.5,
    						Math.floor(nTop) + 0.5,
    						nRoundedWidth,
    						nRoundedHeight
    					);
    					
    					_oContext.strokeRect(
    						Math.ceil(nLeft) - 0.5,
    						Math.ceil(nTop) - 0.5,
    						nRoundedWidth,
    						nRoundedHeight
    					);
    				}
    			}
    			
    			this._bIsPainted = true;
    		};
    			
    		/**
    		 * Make the image from Canvas if the browser supports Data URI.
    		 */
    		Drawing.prototype.makeImage = function () {
    			if (this._bIsPainted) {
    				_safeSetDataURI.call(this, _onMakeImage);
    			}
    		};
    			
    		/**
    		 * Return whether the QRCode is painted or not
    		 * 
    		 * @return {Boolean}
    		 */
    		Drawing.prototype.isPainted = function () {
    			return this._bIsPainted;
    		};
    		
    		/**
    		 * Clear the QRCode
    		 */
    		Drawing.prototype.clear = function () {
    			this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height);
    			this._bIsPainted = false;
    		};
    		
    		/**
    		 * @private
    		 * @param {Number} nNumber
    		 */
    		Drawing.prototype.round = function (nNumber) {
    			if (!nNumber) {
    				return nNumber;
    			}
    			
    			return Math.floor(nNumber * 1000) / 1000;
    		};
    		
    		return Drawing;
    	})();
    	
    	/**
    	 * Get the type by string length
    	 * 
    	 * @private
    	 * @param {String} sText
    	 * @param {Number} nCorrectLevel
    	 * @return {Number} type
    	 */
    	function _getTypeNumber(sText, nCorrectLevel) {			
    		var nType = 1;
    		var length = _getUTF8Length(sText);
    		
    		for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
    			var nLimit = 0;
    			
    			switch (nCorrectLevel) {
    				case QRErrorCorrectLevel.L :
    					nLimit = QRCodeLimitLength[i][0];
    					break;
    				case QRErrorCorrectLevel.M :
    					nLimit = QRCodeLimitLength[i][1];
    					break;
    				case QRErrorCorrectLevel.Q :
    					nLimit = QRCodeLimitLength[i][2];
    					break;
    				case QRErrorCorrectLevel.H :
    					nLimit = QRCodeLimitLength[i][3];
    					break;
    			}
    			
    			if (length <= nLimit) {
    				break;
    			} else {
    				nType++;
    			}
    		}
    		
    		if (nType > QRCodeLimitLength.length) {
    			throw new Error("Too long data");
    		}
    		
    		return nType;
    	}
    
    	function _getUTF8Length(sText) {
    		var replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
    		return replacedText.length + (replacedText.length != sText ? 3 : 0);
    	}
    	
    	/**
    	 * @class QRCode
    	 * @constructor
    	 * @example 
    	 * new QRCode(document.getElementById("test"), "http://jindo.dev.naver.com/collie");
    	 *
    	 * @example
    	 * var oQRCode = new QRCode("test", {
    	 *    text : "http://naver.com",
    	 *    width : 128,
    	 *    height : 128
    	 * });
    	 * 
    	 * oQRCode.clear(); // Clear the QRCode.
    	 * oQRCode.makeCode("http://map.naver.com"); // Re-create the QRCode.
    	 *
    	 * @param {HTMLElement|String} el target element or 'id' attribute of element.
    	 * @param {Object|String} vOption
    	 * @param {String} vOption.text QRCode link data
    	 * @param {Number} [vOption.width=256]
    	 * @param {Number} [vOption.height=256]
    	 * @param {String} [vOption.colorDark="#000000"]
    	 * @param {String} [vOption.colorLight="#ffffff"]
    	 * @param {QRCode.CorrectLevel} [vOption.correctLevel=QRCode.CorrectLevel.H] [L|M|Q|H] 
    	 */
    	QRCode = function (el, vOption) {
    		this._htOption = {
    			width : 256, 
    			height : 256,
    			typeNumber : 4,
    			colorDark : "#000000",
    			colorLight : "#ffffff",
    			correctLevel : QRErrorCorrectLevel.H
    		};
    		
    		if (typeof vOption === 'string') {
    			vOption	= {
    				text : vOption
    			};
    		}
    		
    		// Overwrites options
    		if (vOption) {
    			for (var i in vOption) {
    				this._htOption[i] = vOption[i];
    			}
    		}
    		
    		if (typeof el == "string") {
    			el = document.getElementById(el);
    		}
    		
    		this._android = _getAndroid();
    		this._el = el;
    		this._oQRCode = null;
    		this._oDrawing = new Drawing(this._el, this._htOption);
    		
    		if (this._htOption.text) {
    			this.makeCode(this._htOption.text);	
    		}
    	};
    	
    	/**
    	 * Make the QRCode
    	 * 
    	 * @param {String} sText link data
    	 */
    	QRCode.prototype.makeCode = function (sText) {
    		this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel);
    		this._oQRCode.addData(sText);
    		this._oQRCode.make();
    		this._el.title = sText;
    		this._oDrawing.draw(this._oQRCode);			
    		this.makeImage();
    	};
    	
    	/**
    	 * Make the Image from Canvas element
    	 * - It occurs automatically
    	 * - Android below 3 doesn't support Data-URI spec.
    	 * 
    	 * @private
    	 */
    	QRCode.prototype.makeImage = function () {
    		if (typeof this._oDrawing.makeImage == "function" && (!this._android || this._android >= 3)) {
    			this._oDrawing.makeImage();
    		}
    	};
    	
    	/**
    	 * Clear the QRCode
    	 */
    	QRCode.prototype.clear = function () {
    		this._oDrawing.clear();
    	};
    	
    	/**
    	 * @name QRCode.CorrectLevel
    	 */
    	QRCode.CorrectLevel = QRErrorCorrectLevel;
    })();
    
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  • 原文地址:https://www.cnblogs.com/alex-13/p/4310166.html
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