我正在为我构建的页面设置一个带有一些查询字符串值的cookie,这样当您再次访问该页面时,就会为您设置选项。
因此,如果URL为http://mysite.com/index.php?setting1=blue&orientation=horizontal&background=paper,则cookie将存储setting1=blue、orientation=horizontal和background=paper值,以便在下次访问时读取。
似乎大多数人建议在将这些值存储在cookie中之前对这些值进行json编码。然而,我的cookie变得越来越大了(比如4-5倍大!)当使用json编码时,只需将这些值保存为标准查询字符串格式并在以后解析它们。
对于这种情况,有什么最佳实践吗?
发布于 2011-12-01 07:15:13
查询字符串格式很好,如果你很容易把它们解析回来的话。
发布于 2011-12-01 19:59:30
好吧,如果你正在使用MooTools,那就简单地使用Hash.Cookie吧,它很棒,而且可以通过抽象这个愚蠢的cookie存储东西来摆脱你的麻烦。(:)
发布于 2011-12-03 07:16:08
如果要将查询字符串转换为对象,请查看
myQueryString.parseQueryString() //返回键值对的对象
需要mooTools更多字符串:http://mootools.net/docs/more/Types/String.QueryString
然而,我更喜欢Base64的想法!见下文
功劳归功于瑞安·弗洛伦斯,但我使用的是:
var cookieData = DATATOENCODE.toBase64() // base64 encodes the data
cookieData.decodeBase64() // to decode it魔力:
/*
---
script: Base64.js
description: String methods for encoding and decoding Base64 data
license: MIT-style license.
authors: Ryan Florence (http://ryanflorence.com), webtoolkit.info
requires:
- core:1.2.4: [String]
provides: [String.toBase64, String.decodeBase64]
...
*/
(function(){
// Base64 string methods taken from http://www.webtoolkit.info/
var Base64 = {
_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
encode : function (input) {
var output = "";
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
input = Base64._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 +
this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
};
return output;
},
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 = this._keyStr.indexOf(input.charAt(i++));
enc2 = this._keyStr.indexOf(input.charAt(i++));
enc3 = this._keyStr.indexOf(input.charAt(i++));
enc4 = this._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 = Base64._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;
},
_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;
}
};
String.implement({
toBase64: function(){
return Base64.encode(this);
},
decodeBase64: function(){
return Base64.decode(this);
}
});
})();https://stackoverflow.com/questions/8334376
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