lib/kissy/seed.js
function (key) {
            var self = this, _queryMap;
            parseQuery(self);
            _queryMap = self._queryMap;
            if (key) {
                return key in _queryMap;
            } else {
                return !S.isEmptyObject(_queryMap);
            }
        }
function (key) {
            var self = this, _queryMap;
            parseQuery(self);
            _queryMap = self._queryMap;
            if (key) {
                return key in _queryMap;
            } else {
                return !S.isEmptyObject(_queryMap);
            }
        }
function ( key ) { var self = this , _queryMap ; parseQuery ( self ) ; _queryMap = self . _queryMap ; if ( key ) { return key in _queryMap ; } else { return ! S . isEmptyObject ( _queryMap ) ; } }
judge whether has query parameter
@param {String} [key]
judge whether has query parameter