小编dal*_*ale的帖子

我想在路由器插座内设置一些默认文本,直到它被填充.

我有一个父组件,将在该页面上的路由器插座中显示子路由组件.

单击时,有2个按钮将使用子组件填充路由器插座.如何将内容放置在路由器插座内部,例如."单击选项以显示数据",然后单击该按钮后此消息将清除,子组件将显示在路由器插座中？

<div class="container pt-3">
    <div class="clearfix">
        <div class="btn btn-outline-success float-left"
            routerLink="/unpaid/people">
            View People
        </div>
        <div class="btn btn-outline-success float-right"
            routerLink="/unpaid/bills">
            View Bills
        </div>
    </div>
</div>
<router-outlet>Click an options to display the data</router-outlet>

编辑这里是我的路线

path: 'unpaid', component: UnpaidBillsComponent,
    children: [
      {path: 'people', component: UnpaidPeopleComponent},
      {path: 'bills', component: UnpaidBillListComponent}
    ]

我想获得每家公司所有事件的总和。这是我的数据：

{company: "1" event:"a"}
{company: "1" event:"b"}
{company: "1" event:"c"}
{company: "2" event:"b"}
{company: "2" event:"b"}
{company: "3" event:"c"}
{company: "3" event:"c"}

我目前有这个来汇总事件的日期，但我正在努力按公司进一步分组：

{
  "aggregate": [

    {
      "$group": {
        "_id": "$event",
        "count": {"$sum": 1}
      }
    },
    {"$sort": {"_id": 1}}
  ]
}

呈现这些结果：

[ { "_id": "a", "count": 1 }, { "_id": "b", "count": 3 }, { "_id": "c", "count": 2 }]

我如何进一步按公司对事件计数进行分组以产生以下内容：

 [{
        "_id": {
            "company" :"1",
            "events": [
                {
                    "event": "a",
                    "count": 1
                },
                {
                    "event": "b",
                    "count": 1 …

I'm trying to create a date from a TimeSpan that has 100 hours and 100 minutes but i'm gettin the error:

Run-time exception (line 9): Not a legal OleAut date.

Stack Trace:

[System.OverflowException: Not a legal OleAut date.] at System.DateTime.TicksToOADate(Int64 value)

using System;

public class Program
{
    public static void Main()
    {
        Console.WriteLine("Hello World");
        TimeSpan timeSpan = TimeSpan.FromHours(100) + TimeSpan.FromMinutes(100);
        var OADate = DateTime.FromOADate((DateTime.MinValue.AddTicks(timeSpan.Ticks)).ToOADate());

    }
}

This is to link in with a legacy value in the db from vb6. …