怎么在AngularJS中實現一個base64編碼與解碼功能?相信很多沒有經驗的人對此束手無策,為此本文總結了問題出現的原因和解決方法,通過這篇文章希望你能解決這個問題。
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<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>base64加密</title> <script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script> <script> function Base64() { // private property _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; // public method for encoding this.encode = function (input) { var output = ""; var chr1, chr2, chr3, enc1, enc2, enc3, enc4; var i = 0; input = _utf8_encode(input); while (i < input.length) { chr1 = input.charCodeAt(i++); chr2 = input.charCodeAt(i++); chr3 = input.charCodeAt(i++); enc1 = chr1 >> 2; enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); enc4 = chr3 & 63; if (isNaN(chr2)) { enc3 = enc4 = 64; } else if (isNaN(chr3)) { enc4 = 64; } output = output + _keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4); } return output; } // public method for decoding this.decode = function (input) { var output = ""; var chr1, chr2, chr3; var enc1, enc2, enc3, enc4; var i = 0; input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); while (i < input.length) { enc1 = _keyStr.indexOf(input.charAt(i++)); enc2 = _keyStr.indexOf(input.charAt(i++)); enc3 = _keyStr.indexOf(input.charAt(i++)); enc4 = _keyStr.indexOf(input.charAt(i++)); chr1 = (enc1 << 2) | (enc2 >> 4); chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); chr3 = ((enc3 & 3) << 6) | enc4; output = output + String.fromCharCode(chr1); if (enc3 != 64) { output = output + String.fromCharCode(chr2); } if (enc4 != 64) { output = output + String.fromCharCode(chr3); } } output = _utf8_decode(output); return output; } // private method for UTF-8 encoding _utf8_encode = function (string) { string = string.replace(/\r\n/g, "\n"); var utftext = ""; for (var n = 0; n < string.length; n++) { var c = string.charCodeAt(n); if (c < 128) { utftext += String.fromCharCode(c); } else if ((c > 127) && (c < 2048)) { utftext += String.fromCharCode((c >> 6) | 192); utftext += String.fromCharCode((c & 63) | 128); } else { utftext += String.fromCharCode((c >> 12) | 224); utftext += String.fromCharCode(((c >> 6) & 63) | 128); utftext += String.fromCharCode((c & 63) | 128); } } return utftext; } // private method for UTF-8 decoding _utf8_decode = function (utftext) { var string = ""; var i = 0; var c = c1 = c2 = 0; while (i < utftext.length) { c = utftext.charCodeAt(i); if (c < 128) { string += String.fromCharCode(c); i++; } else if ((c > 191) && (c < 224)) { c2 = utftext.charCodeAt(i + 1); string += String.fromCharCode(((c & 31) << 6) | (c2 & 63)); i += 2; } else { c2 = utftext.charCodeAt(i + 1); c3 = utftext.charCodeAt(i + 2); string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); i += 3; } } return string; } } </script> </head> <body> <p id="p1">PHAgc3R5bGU9ImxpbmUtaGVpZ2h0OiAyZW07Ij48c3BhbiBzdHlsZT0iZm9udC1zaXplOiAxNnB4OyBmb250LWZhbWlseTog5b6u6L2v6ZuF6buRLCAnTWljcm9zb2Z0IFlhSGVpJzsiPu+7vzxpbWcgc3JjPSJodHRwOi8vd3d3LmpiNTEubmV0L2ltYWdlcy9sb2dvLmdpZiIgdGl0bGU9ImxvZ28uZ2lmIi8+PC9zcGFuPjwvcD48cCBzdHlsZT0idGV4dC1pbmRlbnQ6IDJlbTsgbGluZS1oZWlnaHQ6IDJlbTsiPjxzcGFuIHN0eWxlPSJmb250LXNpemU6IDE2cHg7IGZvbnQtZmFtaWx5OiDlvq7ova/pm4Xpu5EsICdNaWNyb3NvZnQgWWFIZWknOyI+5qyi6L+O6K6/6Zeu6ISa5pys5LmL5a62PC9zcGFuPjwvcD48cCBzdHlsZT0ibWFyZ2luLXRvcDogMHB4OyBtYXJnaW4tYm90dG9tOiAwcHg7IHBhZGRpbmc6IDBweDsgdGV4dC1pbmRlbnQ6IDJlbTsgY29sb3I6IHJnYigzNCwgMzQsIDM0KTsgZm9udC1mYW1pbHk6ICdNaWNyb3NvZnQgWWFIZWknLCDlvq7ova/pm4Xpu5E7IGZvbnQtc2l6ZTogMTRweDsgd2hpdGUtc3BhY2U6IG5vcm1hbDsgbGluZS1oZWlnaHQ6IDJlbTsiPjxzcGFuIHN0eWxlPSJmb250LXNpemU6IDE2cHg7IGZvbnQtZmFtaWx5OiDlvq7ova/pm4Xpu5EsICdNaWNyb3NvZnQgWWFIZWknOyI+6ISa5pys5LmL5a625piv5Zu95YaF5LiT5Lia55qE572R56uZ5bu66K6+6LWE5rqQ44CB6ISa5pys57yW56iL5a2m5Lmg57G7572R56uZ77yM5o+Q5L6bYXNw44CBcGhw44CBYXNwLm5ldOOAgWphdmFzY3JpcHTjgIFqcXVlcnnjgIF2YnNjcmlwdOOAgWRvc+aJueWkhOeQhuOAgee9kemhteWItuS9nOOAgee9kee7nOe8lueoi+OAgee9keermeW7uuiuvuetiee8lueoi+i1hOaWmeOAgjwvc3Bhbj48L3A+PHAgc3R5bGU9Im1hcmdpbi10b3A6IDBweDsgbWFyZ2luLWJvdHRvbTogMHB4OyBwYWRkaW5nOiAwcHg7IHRleHQtaW5kZW50OiAyZW07IGNvbG9yOiByZ2IoMzQsIDM0LCAzNCk7IGZvbnQtZmFtaWx5OiAnTWljcm9zb2Z0IFlhSGVpJywg5b6u6L2v6ZuF6buROyBmb250LXNpemU6IDE0cHg7IHdoaXRlLXNwYWNlOiBub3JtYWw7IGxpbmUtaGVpZ2h0OiAyZW07Ij48c3BhbiBzdHlsZT0iZm9udC1zaXplOiAxNnB4OyBmb250LWZhbWlseTog5b6u6L2v6ZuF6buRLCAnTWljcm9zb2Z0IFlhSGVpJzsiPui/memHjOi/mOaPkOS+m+Wkp+mHj+eahOa6kOeggeOAgeeUteWtkOS5puS4i+i9ve+8jOS7peWPiuWQhOenjeW4uOingeeahOWunueUqOWcqOe6v+W3peWFtzwvc3Bhbj48L3A+</p> <script> var b = new Base64(); str = document.getElementById("p1").innerHTML; //解密 str = b.decode(str); document.getElementById("p1").innerHTML = str; </script> </body> </html>
看完上述內容,你們掌握怎么在AngularJS中實現一個base64編碼與解碼功能的方法了嗎?如果還想學到更多技能或想了解更多相關內容,歡迎關注創(chuàng)新互聯(lián)成都網站設計公司行業(yè)資訊頻道,感謝各位的閱讀!
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