首页
所有分类
TAGS
文字工具 EMOJI BIBLE
编程 Javascript

利用jquery.qrcode在页面上生成二维码且支持中文

Posted in Javascript onFebruary 12, 2014

实例如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>使用jquery-qrcode生成二维码,支持中文</title>
    <script src="../Scripts/jquery-1.4.4.min.js" type="text/javascript"></script>
    <script src="jquery.qrcode.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        function utf16to8(str) {
            var out, i, len, c;
            out = "";
            len = str.length;
            for (i = 0; i < len; i++) {
                c = str.charCodeAt(i);
                if ((c >= 0x0001) && (c <= 0x007F)) {
                    out += str.charAt(i);
                } else if (c > 0x07FF) {
                    out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
                    out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
                    out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
                } else {
                    out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F));
                    out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
                }
            }
            return out;
        }
        $(function () {
            jQuery('#output').qrcode(utf16to8("今天天气不错"));
        })    
    </script>
</head>
<body>
<div id="output"></div>
</body>
</html>

//jquery.qrcode.min.js
(function (r) {
    r.fn.qrcode = function (h) {
        var s; function u(a) { this.mode = s; this.data = a } function o(a, c) { this.typeNumber = a; this.errorCorrectLevel = c; this.modules = null; this.moduleCount = 0; this.dataCache = null; this.dataList = [] } function q(a, c) { if (void 0 == a.length) throw Error(a.length + "/" + c); for (var d = 0; d < a.length && 0 == a[d]; ) d++; this.num = Array(a.length - d + c); for (var b = 0; b < a.length - d; b++) this.num[b] = a[b + d] } function p(a, c) { this.totalCount = a; this.dataCount = c } function t() { this.buffer = []; this.length = 0 } u.prototype = { getLength: function () { return this.data.length },
            write: function (a) { for (var c = 0; c < this.data.length; c++) a.put(this.data.charCodeAt(c), 8) } 
        }; o.prototype = { addData: function (a) { this.dataList.push(new u(a)); this.dataCache = null }, isDark: function (a, c) { if (0 > a || this.moduleCount <= a || 0 > c || this.moduleCount <= c) throw Error(a + "," + c); return this.modules[a][c] }, getModuleCount: function () { return this.moduleCount }, make: function () {
            if (1 > this.typeNumber) {
                for (var a = 1, a = 1; 40 > a; a++) {
                    for (var c = p.getRSBlocks(a, this.errorCorrectLevel), d = new t, b = 0, e = 0; e < c.length; e++) b += c[e].dataCount;
                    for (e = 0; e < this.dataList.length; e++) c = this.dataList[e], d.put(c.mode, 4), d.put(c.getLength(), j.getLengthInBits(c.mode, a)), c.write(d); if (d.getLengthInBits() <= 8 * b) break
                } this.typeNumber = a
            } this.makeImpl(!1, this.getBestMaskPattern())
        }, makeImpl: function (a, c) {
            this.moduleCount = 4 * this.typeNumber + 17; this.modules = Array(this.moduleCount); for (var d = 0; d < this.moduleCount; d++) { this.modules[d] = Array(this.moduleCount); for (var b = 0; b < this.moduleCount; b++) this.modules[d][b] = null } this.setupPositionProbePattern(0, 0); this.setupPositionProbePattern(this.moduleCount -
7, 0); this.setupPositionProbePattern(0, this.moduleCount - 7); this.setupPositionAdjustPattern(); this.setupTimingPattern(); this.setupTypeInfo(a, c); 7 <= this.typeNumber && this.setupTypeNumber(a); null == this.dataCache && (this.dataCache = o.createData(this.typeNumber, this.errorCorrectLevel, this.dataList)); this.mapData(this.dataCache, c)
        }, setupPositionProbePattern: function (a, c) {
            for (var d = -1; 7 >= d; d++) if (!(-1 >= a + d || this.moduleCount <= a + d)) for (var b = -1; 7 >= b; b++)-1 >= c + b || this.moduleCount <= c + b || (this.modules[a + d][c + b] =
0 <= d && 6 >= d && (0 == b || 6 == b) || 0 <= b && 6 >= b && (0 == d || 6 == d) || 2 <= d && 4 >= d && 2 <= b && 4 >= b ? !0 : !1)
        }, getBestMaskPattern: function () { for (var a = 0, c = 0, d = 0; 8 > d; d++) { this.makeImpl(!0, d); var b = j.getLostPoint(this); if (0 == d || a > b) a = b, c = d } return c }, createMovieClip: function (a, c, d) { a = a.createEmptyMovieClip(c, d); this.make(); for (c = 0; c < this.modules.length; c++) for (var d = 1 * c, b = 0; b < this.modules[c].length; b++) { var e = 1 * b; this.modules[c][b] && (a.beginFill(0, 100), a.moveTo(e, d), a.lineTo(e + 1, d), a.lineTo(e + 1, d + 1), a.lineTo(e, d + 1), a.endFill()) } return a },
            setupTimingPattern: function () { for (var a = 8; a < this.moduleCount - 8; a++) null == this.modules[a][6] && (this.modules[a][6] = 0 == a % 2); for (a = 8; a < this.moduleCount - 8; a++) null == this.modules[6][a] && (this.modules[6][a] = 0 == a % 2) }, setupPositionAdjustPattern: function () { for (var a = j.getPatternPosition(this.typeNumber), c = 0; c < a.length; c++) for (var d = 0; d < a.length; d++) { var b = a[c], e = a[d]; if (null == this.modules[b][e]) for (var f = -2; 2 >= f; f++) for (var i = -2; 2 >= i; i++) this.modules[b + f][e + i] = -2 == f || 2 == f || -2 == i || 2 == i || 0 == f && 0 == i ? !0 : !1 } }, setupTypeNumber: function (a) {
                for (var c =
j.getBCHTypeNumber(this.typeNumber), d = 0; 18 > d; d++) { var b = !a && 1 == (c >> d & 1); this.modules[Math.floor(d / 3)][d % 3 + this.moduleCount - 8 - 3] = b } for (d = 0; 18 > d; d++) b = !a && 1 == (c >> d & 1), this.modules[d % 3 + this.moduleCount - 8 - 3][Math.floor(d / 3)] = b
            }, setupTypeInfo: function (a, c) {
                for (var d = j.getBCHTypeInfo(this.errorCorrectLevel << 3 | c), b = 0; 15 > b; b++) { var e = !a && 1 == (d >> b & 1); 6 > b ? this.modules[b][8] = e : 8 > b ? this.modules[b + 1][8] = e : this.modules[this.moduleCount - 15 + b][8] = e } for (b = 0; 15 > b; b++) e = !a && 1 == (d >> b & 1), 8 > b ? this.modules[8][this.moduleCount -
b - 1] = e : 9 > b ? this.modules[8][15 - b - 1 + 1] = e : this.modules[8][15 - b - 1] = e; this.modules[this.moduleCount - 8][8] = !a
            }, mapData: function (a, c) { for (var d = -1, b = this.moduleCount - 1, e = 7, f = 0, i = this.moduleCount - 1; 0 < i; i -= 2) for (6 == i && i--; ; ) { for (var g = 0; 2 > g; g++) if (null == this.modules[b][i - g]) { var n = !1; f < a.length && (n = 1 == (a[f] >>> e & 1)); j.getMask(c, b, i - g) && (n = !n); this.modules[b][i - g] = n; e--; -1 == e && (f++, e = 7) } b += d; if (0 > b || this.moduleCount <= b) { b -= d; d = -d; break } } } 
        }; o.PAD0 = 236; o.PAD1 = 17; o.createData = function (a, c, d) {
            for (var c = p.getRSBlocks(a,
c), b = new t, e = 0; e < d.length; e++) { var f = d[e]; b.put(f.mode, 4); b.put(f.getLength(), j.getLengthInBits(f.mode, a)); f.write(b) } for (e = a = 0; e < c.length; e++) a += c[e].dataCount; if (b.getLengthInBits() > 8 * a) throw Error("code length overflow. (" + b.getLengthInBits() + ">" + 8 * a + ")"); for (b.getLengthInBits() + 4 <= 8 * a && b.put(0, 4); 0 != b.getLengthInBits() % 8; ) b.putBit(!1); for (; !(b.getLengthInBits() >= 8 * a); ) { b.put(o.PAD0, 8); if (b.getLengthInBits() >= 8 * a) break; b.put(o.PAD1, 8) } return o.createBytes(b, c)
        }; o.createBytes = function (a, c) {
            for (var d =
0, b = 0, e = 0, f = Array(c.length), i = Array(c.length), g = 0; g < c.length; g++) { var n = c[g].dataCount, h = c[g].totalCount - n, b = Math.max(b, n), e = Math.max(e, h); f[g] = Array(n); for (var k = 0; k < f[g].length; k++) f[g][k] = 255 & a.buffer[k + d]; d += n; k = j.getErrorCorrectPolynomial(h); n = (new q(f[g], k.getLength() - 1)).mod(k); i[g] = Array(k.getLength() - 1); for (k = 0; k < i[g].length; k++) h = k + n.getLength() - i[g].length, i[g][k] = 0 <= h ? n.get(h) : 0 } for (k = g = 0; k < c.length; k++) g += c[k].totalCount; d = Array(g); for (k = n = 0; k < b; k++) for (g = 0; g < c.length; g++) k < f[g].length &&
(d[n++] = f[g][k]); for (k = 0; k < e; k++) for (g = 0; g < c.length; g++) k < i[g].length && (d[n++] = i[g][k]); return d
        }; s = 4; for (var j = { 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 (a) { for (var c = a << 10; 0 <= j.getBCHDigit(c) - j.getBCHDigit(j.G15); ) c ^= j.G15 << j.getBCHDigit(c) - j.getBCHDigit(j.G15); return (a << 10 | c) ^ j.G15_MASK }, getBCHTypeNumber: function (a) {
    for (var c = a << 12; 0 <= j.getBCHDigit(c) -
j.getBCHDigit(j.G18); ) c ^= j.G18 << j.getBCHDigit(c) - j.getBCHDigit(j.G18); return a << 12 | c
}, getBCHDigit: function (a) { for (var c = 0; 0 != a; ) c++, a >>>= 1; return c }, getPatternPosition: function (a) { return j.PATTERN_POSITION_TABLE[a - 1] }, getMask: function (a, c, d) {
    switch (a) {
        case 0: return 0 == (c + d) % 2; case 1: return 0 == c % 2; case 2: return 0 == d % 3; case 3: return 0 == (c + d) % 3; case 4: return 0 == (Math.floor(c / 2) + Math.floor(d / 3)) % 2; case 5: return 0 == c * d % 2 + c * d % 3; case 6: return 0 == (c * d % 2 + c * d % 3) % 2; case 7: return 0 == (c * d % 3 + (c + d) % 2) % 2; default: throw Error("bad maskPattern:" +
a);
    } 
}, getErrorCorrectPolynomial: function (a) { for (var c = new q([1], 0), d = 0; d < a; d++) c = c.multiply(new q([1, l.gexp(d)], 0)); return c }, getLengthInBits: function (a, c) {
    if (1 <= c && 10 > c) switch (a) { case 1: return 10; case 2: return 9; case s: return 8; case 8: return 8; default: throw Error("mode:" + a); } else if (27 > c) switch (a) { case 1: return 12; case 2: return 11; case s: return 16; case 8: return 10; default: throw Error("mode:" + a); } else if (41 > c) switch (a) {
        case 1: return 14; case 2: return 13; case s: return 16; case 8: return 12; default: throw Error("mode:" +
a);
    } else throw Error("type:" + c);
}, getLostPoint: function (a) {
    for (var c = a.getModuleCount(), d = 0, b = 0; b < c; b++) for (var e = 0; e < c; e++) { for (var f = 0, i = a.isDark(b, e), g = -1; 1 >= g; g++) if (!(0 > b + g || c <= b + g)) for (var h = -1; 1 >= h; h++) 0 > e + h || c <= e + h || 0 == g && 0 == h || i == a.isDark(b + g, e + h) && f++; 5 < f && (d += 3 + f - 5) } for (b = 0; b < c - 1; b++) for (e = 0; e < c - 1; e++) if (f = 0, a.isDark(b, e) && f++, a.isDark(b + 1, e) && f++, a.isDark(b, e + 1) && f++, a.isDark(b + 1, e + 1) && f++, 0 == f || 4 == f) d += 3; for (b = 0; b < c; b++) for (e = 0; e < c - 6; e++) a.isDark(b, e) && !a.isDark(b, e + 1) && a.isDark(b, e +
2) && a.isDark(b, e + 3) && a.isDark(b, e + 4) && !a.isDark(b, e + 5) && a.isDark(b, e + 6) && (d += 40); for (e = 0; e < c; e++) for (b = 0; b < c - 6; b++) a.isDark(b, e) && !a.isDark(b + 1, e) && a.isDark(b + 2, e) && a.isDark(b + 3, e) && a.isDark(b + 4, e) && !a.isDark(b + 5, e) && a.isDark(b + 6, e) && (d += 40); for (e = f = 0; e < c; e++) for (b = 0; b < c; b++) a.isDark(b, e) && f++; a = Math.abs(100 * f / c / c - 50) / 5; return d + 10 * a
} 
        }, l = { glog: function (a) { if (1 > a) throw Error("glog(" + a + ")"); return l.LOG_TABLE[a] }, gexp: function (a) { for (; 0 > a; ) a += 255; for (; 256 <= a; ) a -= 255; return l.EXP_TABLE[a] }, EXP_TABLE: Array(256),
            LOG_TABLE: Array(256)
        }, m = 0; 8 > m; m++) l.EXP_TABLE[m] = 1 << m; for (m = 8; 256 > m; m++) l.EXP_TABLE[m] = l.EXP_TABLE[m - 4] ^ l.EXP_TABLE[m - 5] ^ l.EXP_TABLE[m - 6] ^ l.EXP_TABLE[m - 8]; for (m = 0; 255 > m; m++) l.LOG_TABLE[l.EXP_TABLE[m]] = m; q.prototype = { get: function (a) { return this.num[a] }, getLength: function () { return this.num.length }, multiply: function (a) { for (var c = Array(this.getLength() + a.getLength() - 1), d = 0; d < this.getLength(); d++) for (var b = 0; b < a.getLength(); b++) c[d + b] ^= l.gexp(l.glog(this.get(d)) + l.glog(a.get(b))); return new q(c, 0) }, mod: function (a) {
            if (0 >
this.getLength() - a.getLength()) return this; for (var c = l.glog(this.get(0)) - l.glog(a.get(0)), d = Array(this.getLength()), b = 0; b < this.getLength(); b++) d[b] = this.get(b); for (b = 0; b < a.getLength(); b++) d[b] ^= l.gexp(l.glog(a.get(b)) + c); return (new q(d, 0)).mod(a)
        } 
        }; p.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]]; p.getRSBlocks = function (a, c) { var d = p.getRsBlockTable(a, c); if (void 0 == d) throw Error("bad rs block @ typeNumber:" + a + "/errorCorrectLevel:" + c); for (var b = d.length / 3, e = [], f = 0; f < b; f++) for (var h = d[3 * f + 0], g = d[3 * f + 1], j = d[3 * f + 2], l = 0; l < h; l++) e.push(new p(g, j)); return e }; p.getRsBlockTable = function (a, c) {
    switch (c) {
        case 1: return p.RS_BLOCK_TABLE[4 * (a - 1) + 0]; case 0: return p.RS_BLOCK_TABLE[4 * (a - 1) + 1]; case 3: return p.RS_BLOCK_TABLE[4 *
(a - 1) + 2]; case 2: return p.RS_BLOCK_TABLE[4 * (a - 1) + 3]
    } 
}; t.prototype = { get: function (a) { return 1 == (this.buffer[Math.floor(a / 8)] >>> 7 - a % 8 & 1) }, put: function (a, c) { for (var d = 0; d < c; d++) this.putBit(1 == (a >>> c - d - 1 & 1)) }, getLengthInBits: function () { return this.length }, putBit: function (a) { var c = Math.floor(this.length / 8); this.buffer.length <= c && this.buffer.push(0); a && (this.buffer[c] |= 128 >>> this.length % 8); this.length++ } }; "string" === typeof h && (h = { text: h }); h = r.extend({}, { render: "canvas", width: 256, height: 256, typeNumber: -1,
    correctLevel: 2, background: "#ffffff", foreground: "#000000"
}, h); return this.each(function () {
    var a; if ("canvas" == h.render) {
        a = new o(h.typeNumber, h.correctLevel); a.addData(h.text); a.make(); var c = document.createElement("canvas"); c.width = h.width; c.height = h.height; for (var d = c.getContext("2d"), b = h.width / a.getModuleCount(), e = h.height / a.getModuleCount(), f = 0; f < a.getModuleCount(); f++) for (var i = 0; i < a.getModuleCount(); i++) {
            d.fillStyle = a.isDark(f, i) ? h.foreground : h.background; var g = Math.ceil((i + 1) * b) - Math.floor(i * b),
j = Math.ceil((f + 1) * b) - Math.floor(f * b); d.fillRect(Math.round(i * b), Math.round(f * e), g, j)
        } 
    } else {
        a = new o(h.typeNumber, h.correctLevel); a.addData(h.text); a.make(); c = r("<table></table>").css("width", h.width + "px").css("height", h.height + "px").css("border", "0px").css("border-collapse", "collapse").css("background-color", h.background); d = h.width / a.getModuleCount(); b = h.height / a.getModuleCount(); for (e = 0; e < a.getModuleCount(); e++) {
            f = r("<tr></tr>").css("height", b + "px").appendTo(c); for (i = 0; i < a.getModuleCount(); i++) r("<td></td>").css("width",
d + "px").css("background-color", a.isDark(e, i) ? h.foreground : h.background).appendTo(f)
        } 
    } a = c; jQuery(a).appendTo(this)
})
    } 
})(jQuery);

利用jquery.qrcode在页面上生成二维码且支持中文

声明：登载此文出于传递更多信息之目的，并不意味着赞同其观点或证实其描述。

Javascript 相关文章推荐
使用jscript实现二进制读写脚本代码
Jun 09 Javascript
IE iframe的onload方法分析小结
Jan 07 Javascript
javascript学习笔记(四) Number 数字类型
Jun 19 Javascript
在javascript中对于DOM的加强
Apr 11 Javascript
基于javascript的COOkie的操作实现只能点一次
Dec 26 Javascript
jQuery实现带延迟的二级tab切换下拉列表效果
Sep 01 Javascript
jquery采用oop模式class类的使用示例
Jan 22 Javascript
基于jQuery实现表格的查看修改删除
Aug 01 Javascript
使用JavaScript判断用户输入的是否为正整数(两种方法)
Feb 05 Javascript
jquery ajaxfileupload异步上传插件使用详解
Feb 08 Javascript
layui.use模块外部使用其内部定义的js封装函数方法
Sep 16 Javascript
javascript实现下拉菜单效果
Feb 09 Javascript
Jquery中国地图热点效果-鼠标经过弹出提示层信息的简单实例
Feb 12 #Javascript
JavaScript cookie的设置获取删除详解
Feb 11 #Javascript
JavaScript新窗口与子窗口传值详解
Feb 11 #Javascript
jquery绑定事件不生效的解决方法
Feb 11 #Javascript
JS将制定内容复制到剪切板示例代码
Feb 11 #Javascript
JS创建自定义表格具体实现
Feb 11 #Javascript
js实现div的切换特效上一个下一个
Feb 11 #Javascript
BOSE(2) 晶体管(2) 收信机(3) 春雷3P7(1) 探测器(1) ICF-2010(1) 77A(2) 耳机(1) 音箱(1) 单管机(1)
You might like
How do I change MySQL timezone?
2008/03/26 PHP
PHP中array_slice函数用法实例详解
2014/11/25 PHP
在Linux系统下一键重新安装WordPress的脚本示例
2015/06/30 PHP
ThinkPHP简单使用memcache缓存的方法
2016/11/15 PHP
Thinkphp页面跳转设置跳转等待时间的操作
2019/10/16 PHP
讨论javascript(一)工厂方式 js面象对象的定义方法
2009/12/15 Javascript
ie支持function.bind()方法实现代码
2012/12/27 Javascript
js中生成map对象的方法
2014/01/09 Javascript
JS中判断null、undefined与NaN的方法
2014/03/26 Javascript
JavaScript Promise启示录
2014/08/12 Javascript
Bootstrap入门书籍之（三）栅格系统
2016/02/17 Javascript
js实现简单的获取验证码按钮效果
2017/03/03 Javascript
vue快捷键与基础指令详解
2017/06/01 Javascript
js案例之鼠标跟随jquery版(实例讲解)
2017/07/21 jQuery
Nodejs 发布自己的npm包并制作成命令行工具的实例讲解
2018/05/15 NodeJs
Element Cascader 级联选择器的使用示例
2020/07/27 Javascript
python发布模块的步骤分享
2014/02/21 Python
Python正则表达式常用函数总结
2017/06/24 Python
详解Python map函数及Python map()函数的用法
2017/11/16 Python
聊聊Python中的pypy
2018/01/12 Python
对python操作kafka写入json数据的简单demo分享
2018/12/27 Python
python绘制规则网络图形实例
2019/12/09 Python
pytorch方法测试详解——归一化(BatchNorm2d)
2020/01/15 Python
公认8个效率最高的爬虫框架
2020/07/28 Python
html5 利用canvas手写签名并保存的实现方法
2018/07/12 HTML / CSS
html5 Canvas画图教程(11)—使用lineTo/arc/bezierCurveTo画椭圆形
2013/01/09 HTML / CSS
Under Armour美国官网：美国知名高端功能性运动品牌
2016/09/05 全球购物
MySQL面试题目集锦
2016/04/14 面试题
自荐信包含哪些内容
2013/10/30 职场文书
班组长安全生产职责
2013/12/16 职场文书
纪律教育月活动总结
2014/08/26 职场文书
2015年信贷员工作总结
2015/04/28 职场文书
php远程请求CURL案例（爬虫、保存登录状态）
2021/04/01 PHP
Python实战之实现康威生命游戏
2021/04/26 Python
教你用Java Swing实现自助取款机系统
2021/06/11 Java/Android
实战Python爬虫爬取酷我音乐
2022/04/11 Python