cookies.js
上传用户:netsea168
上传日期:2022-07-22
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文件大小:2k
- /**
- * Sets a Cookie with the given name and value.
- *
- * name Name of the cookie
- * value Value of the cookie
- * [expires] Expiration date of the cookie (default: end of current session)
- * [path] Path where the cookie is valid (default: path of calling document)
- * [domain] Domain where the cookie is valid
- * (default: domain of calling document)
- * [secure] Boolean value indicating if the cookie transmission requires a
- * secure transmission
- */
- function setCookie(name, value, expires, path, domain, secure) {
- document.cookie= name + "=" + escape(value) +
- ((expires) ? "; expires=" + expires.toGMTString() : "") +
- ((path) ? "; path=" + path : "") +
- ((domain) ? "; domain=" + domain : "") +
- ((secure) ? "; secure" : "");
- }
- /**
- * Gets the value of the specified cookie.
- *
- * name Name of the desired cookie.
- *
- * Returns a string containing value of specified cookie,
- * or null if cookie does not exist.
- */
- function getCookie(name) {
- var dc = document.cookie;
- var prefix = name + "=";
- var begin = dc.indexOf("; " + prefix);
- if (begin == -1) {
- begin = dc.indexOf(prefix);
- if (begin != 0) return null;
- } else {
- begin += 2;
- }
- var end = document.cookie.indexOf(";", begin);
- if (end == -1) {
- end = dc.length;
- }
- return unescape(decodeURI(dc.substring(begin + prefix.length, end))).split("+").join(" ");
- }
- /**
- * Deletes the specified cookie.
- *
- * name name of the cookie
- * [path] path of the cookie (must be same as path used to create cookie)
- * [domain] domain of the cookie (must be same as domain used to create cookie)
- */
- function deleteCookie(name, path, domain) {
- if (getCookie(name)) {
- document.cookie = name + "=" +
- ((path) ? "; path=" + path : "") +
- ((domain) ? "; domain=" + domain : "") +
- "; expires=Thu, 01-Jan-70 00:00:01 GMT";
- }
- }