Javascript Cookie 操作包 | Cookie 操作函数

这个美味地“小甜饼”是哪个网站都缺少不了的，“让我们讨一下 Cookie 小怪兽的欢心，做一块儿小甜饼吧~~”：来看源码：

/**

 * jscript.storage package

 * This package contains functions for doing client-side storage, including

 * cookie functions.

 */

if (typeof jscript == 'undefined') {

  jscript = function() { }

}

jscript.storage = function() { }



/**

 * Sets a cookie.

 *（设置 Cookie）

 * @param inName   The name of the cookie to set.

 * @param inValue  The value of the cookie.

 * @param inExpiry A Date object representing the expiration date of the

 *                 cookie.

 */

jscript.storage.setCookie = function(inName, inValue, inExpiry) {



  if (typeof inExpiry == "Date") {

    inExpiry = inExpiry.toGMTString();

  }

  document.cookie = inName + "=" + escape(inValue) + "; expires=" + inExpiry;



} // End setCookie().



/**

 * Gets thbe value of a specified cookie.  Returns null if cookie isn't found.

 *（得到指定 Cookie 的值）

 * @param inName The name of the cookie to get the value of.

 */

jscript.storage.getCookie = function(inName) {



  var docCookies = document.cookie;

  var cIndex = docCookies.indexOf(inName + "=");

  if (cIndex == -1) {

    return null;

  }

  cIndex = docCookies.indexOf("=", cIndex) + 1;

  var endStr = docCookies.indexOf(";", cIndex);

  if (endStr == -1) {

    endStr = docCookies.length;

  }

  return unescape(docCookies.substring(cIndex, endStr));



} // End getCookie().



/**

 * Deletes a cookie.（删除 Cookie）

 */

jscript.storage.deleteCookie = function(inName) {



  if (this.getCookie(inName)) {

    this.setCookie(inName, null, "Thu, 01-Jan-1970 00:00:01 GMT");

  }



} // End deleteCookie().

点击试一下：

setCookie()-Set the cookie "chapter=HodgePodge"

getCookie()-Get the cookie "chapter"

deleteCookie()-Delete the cookie "chapter"