@return the pageSize

获取现在时间 @return 返回时间类型 yyyy-MM-dd HH:mm:ss

* Checks if `value` is the * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types) * of `Object`. (

* A specialized version of `_.map` for arrays without support for iteratee * shorthands. * * @private * @param {Array} [array] The array t

* Checks if `value` is a finite primitive number. * * **Note:** This method is based on * [`Number.isFinite`](https://mdn.io/Number/isF

* Checks if `value` is object-like. A value is object-like if it's not `null` * and has a `typeof` result of "object". * * @static

* Fire callback functions and trigger events. Note that the loop over the * callback array store is done backwards! Further note that you do not wan

@return the pageIndex

* Make a map and return a function for checking if a key * is in that map.

* Quick object check - this is primarily used to tell * Objects from primitive values when we know the value * is a JSON-compliant type.