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  • js封装设置获取cookie

    var docCookies = {
      getItem: function (sKey) {
        return decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\s*" + encodeURIComponent(sKey).replace(/[-.+*]/g, "\$&") + "\s*\=\s*([^;]*).*$)|^.*$"), "$1")) || null;
      },
      setItem: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
        if (!sKey || /^(?:expires|max-age|path|domain|secure)$/i.test(sKey)) { return false; }
        var sExpires = "";
        if (vEnd) {
          switch (vEnd.constructor) {
            case Number:
              sExpires = vEnd === Infinity ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" : "; max-age=" + vEnd;
              break;
            case String:
              sExpires = "; expires=" + vEnd;
              break;
            case Date:
              sExpires = "; expires=" + vEnd.toUTCString();
              break;
          }
        }
        document.cookie = encodeURIComponent(sKey) + "=" + encodeURIComponent(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
        return true;
      },
      removeItem: function (sKey, sPath, sDomain) {
        if (!sKey || !this.hasItem(sKey)) { return false; }
        document.cookie = encodeURIComponent(sKey) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" + ( sDomain ? "; domain=" + sDomain : "") + ( sPath ? "; path=" + sPath : "");
        return true;
      },
      hasItem: function (sKey) {
        return (new RegExp("(?:^|;\s*)" + encodeURIComponent(sKey).replace(/[-.+*]/g, "\$&") + "\s*\=")).test(document.cookie);
      },
      keys: /* optional method: you can safely remove it! */ function () {
        var aKeys = document.cookie.replace(/((?:^|s*;)[^=]+)(?=;|$)|^s*|s*(?:=[^;]*)?(?:1|$)/g, "").split(/s*(?:=[^;]*)?;s*/);
        for (var nIdx = 0; nIdx < aKeys.length; nIdx++) { aKeys[nIdx] = decodeURIComponent(aKeys[nIdx]); }
        return aKeys;
      }
    };
    
    //用法
    
    docCookies.setItem(name, value[, end[, path[, domain[, secure]]]])
    
    
    只研朱墨作春山
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  • 原文地址:https://www.cnblogs.com/guolintao/p/9081180.html
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