feature:

天梯挂机加速；天梯派遣部分新接口
fixed:
数据库类型和插入数据的用法修复

game-server/app/util/util.ts

@@ -4,7 +4,8 @@ import { CounterModel } from '../db/Counter';
 import { EquipModel } from '../db/Equip';
 import { HeroModel } from '../db/Hero';
 import { GOOD_TYPE } from '../consts/consts';
-  
+const moment = require('moment');
+
   export function genCode(len) {
     const chars = '123456789ABCDEFGHJKLMNPQRSTWXYZabcdefghijklmnopqrstuvwxyz';
     const charArr = chars.split('');
@@ -189,4 +190,41 @@ export function decodeIdCntArrayStr(str: string, multi: number) {
         index -= weight;
     }
     return result
+  }
+/**
+ * 传入两个时间，返回按照时间差计算，第二个时间比第一个晚几天
+ * @param preTime 之前的时间
+ * @param proTime 之后的时间
+ */
+export function deltaDays(preTime: Date, proTime: Date): number {
+  return moment(proTime).diff(moment(preTime), "days");
+}
+
+/**
+ * 计算按照每 x 天 y 点刷新一次，是否应该刷新
+ * @param preTime 基准时间
+ * @param curTime 当前时间
+ * @param hour 几点刷新
+ * @param deltaDay 间隔几天刷新，默认每天刷新(deltaDay = 1)
+ */
+export function shouldRefresh(preTime: Date, curTime: Date, hour: number, deltaDay = 1): boolean {
+  let refeshTime = curTime.setHours(hour, 0, 0, 0);
+  if (refeshTime - preTime.getTime() > deltaDay * 24 * 60 * 60 * 1000 && curTime.getTime() >= refeshTime) {
+    return true;
+  }
+  return false;
+}
+
+export function getRandEelm(source: Array<any> = [], cnt = 1): Array<any> {
+  if (cnt > source.length) return null;
+  if (cnt === source.length) return source;
+  let idxs = new Set();
+  for (let i = 1; i < cnt; ++i) {
+    let rand = Math.floor(Math.random() * source.length);
+    idxs.add(rand);
+    if (idxs.size == cnt) {
+      break;
+    }
+  }
+  return source.filter((item, idx) => idxs.has(idx));
 }