支付跳转修改
zhengchanglong
5 years ago
parent
c5221795ec
commit
1a62aed2d4
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/*!
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* jquery.base64.js 0.1 - https://github.com/yckart/jquery.base64.js
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* Makes Base64 en & -decoding simpler as it is.
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*
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* Based upon: https://gist.github.com/Yaffle/1284012
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*
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* Copyright (c) 2012 Yannick Albert (http://yckart.com)
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* Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php).
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* 2013/02/10
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**/
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;(function($) {
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var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
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a256 = '',
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r64 = [256],
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r256 = [256],
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i = 0;
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var UTF8 = {
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/**
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* Encode multi-byte Unicode string into utf-8 multiple single-byte characters
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* (BMP / basic multilingual plane only)
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*
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* Chars in range U+0080 - U+07FF are encoded in 2 chars, U+0800 - U+FFFF in 3 chars
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*
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* @param {String} strUni Unicode string to be encoded as UTF-8
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* @returns {String} encoded string
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*/
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encode: function(strUni) {
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// use regular expressions & String.replace callback function for better efficiency
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// than procedural approaches
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var strUtf = strUni.replace(/[\u0080-\u07ff]/g, // U+0080 - U+07FF => 2 bytes 110yyyyy, 10zzzzzz
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function(c) {
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var cc = c.charCodeAt(0);
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return String.fromCharCode(0xc0 | cc >> 6, 0x80 | cc & 0x3f);
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})
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.replace(/[\u0800-\uffff]/g, // U+0800 - U+FFFF => 3 bytes 1110xxxx, 10yyyyyy, 10zzzzzz
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function(c) {
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var cc = c.charCodeAt(0);
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return String.fromCharCode(0xe0 | cc >> 12, 0x80 | cc >> 6 & 0x3F, 0x80 | cc & 0x3f);
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});
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return strUtf;
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},
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/**
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* Decode utf-8 encoded string back into multi-byte Unicode characters
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*
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* @param {String} strUtf UTF-8 string to be decoded back to Unicode
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* @returns {String} decoded string
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*/
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decode: function(strUtf) {
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// note: decode 3-byte chars first as decoded 2-byte strings could appear to be 3-byte char!
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var strUni = strUtf.replace(/[\u00e0-\u00ef][\u0080-\u00bf][\u0080-\u00bf]/g, // 3-byte chars
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function(c) { // (note parentheses for precence)
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var cc = ((c.charCodeAt(0) & 0x0f) << 12) | ((c.charCodeAt(1) & 0x3f) << 6) | (c.charCodeAt(2) & 0x3f);
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return String.fromCharCode(cc);
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})
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.replace(/[\u00c0-\u00df][\u0080-\u00bf]/g, // 2-byte chars
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function(c) { // (note parentheses for precence)
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var cc = (c.charCodeAt(0) & 0x1f) << 6 | c.charCodeAt(1) & 0x3f;
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return String.fromCharCode(cc);
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});
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return strUni;
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}
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};
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while(i < 256) {
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var c = String.fromCharCode(i);
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a256 += c;
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r256[i] = i;
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r64[i] = b64.indexOf(c);
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++i;
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}
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function code(s, discard, alpha, beta, w1, w2) {
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s = String(s);
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var buffer = 0,
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i = 0,
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length = s.length,
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result = '',
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bitsInBuffer = 0;
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while(i < length) {
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var c = s.charCodeAt(i);
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c = c < 256 ? alpha[c] : -1;
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buffer = (buffer << w1) + c;
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bitsInBuffer += w1;
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while(bitsInBuffer >= w2) {
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bitsInBuffer -= w2;
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var tmp = buffer >> bitsInBuffer;
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result += beta.charAt(tmp);
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buffer ^= tmp << bitsInBuffer;
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}
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++i;
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}
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if(!discard && bitsInBuffer > 0) result += beta.charAt(buffer << (w2 - bitsInBuffer));
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return result;
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}
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var Plugin = $.base64 = function(dir, input, encode) {
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return input ? Plugin[dir](input, encode) : dir ? null : this;
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};
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Plugin.btoa = Plugin.encode = function(plain, utf8encode) {
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plain = Plugin.raw === false || Plugin.utf8encode || utf8encode ? UTF8.encode(plain) : plain;
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plain = code(plain, false, r256, b64, 8, 6);
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return plain + '===='.slice((plain.length % 4) || 4);
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};
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Plugin.atob = Plugin.decode = function(coded, utf8decode) {
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coded = String(coded).split('=');
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var i = coded.length;
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do {--i;
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coded[i] = code(coded[i], true, r64, a256, 6, 8);
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} while (i > 0);
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coded = coded.join('');
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return Plugin.raw === false || Plugin.utf8decode || utf8decode ? UTF8.decode(coded) : coded;
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};
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}(jQuery));
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