如何使图标在html表格行中可见?

我有一个包含5个列的HTML表,在最后一个列中,如果将鼠标悬停在表上,则在单元格末尾会出现3个图标。

我唯一的问题是我不希望这3个图标显示在每行中,而是显示在鼠标所在的行中。我该怎么解决?

我绝对不能使用AngularJS,Angular Material,JavaScript或Bootstrap或任何第三方的东西。

我尝试为每个图标使用一个跨度,但这不能解决我的问题。

这是我桌中令人困惑的部分:

<tr *ngFor="let item of items">
      <td>
        <span class="normalColoumn"> {{ item.firstname }}</span>
      </td>
      <td>
        <span class="normalColoumn"> {{ item.lastname }}</span>
      </td>
      <td>
        <span class="normalColoumn"> {{ item.email }}</span>
      </td>
      <td>
        <span class="normalColoumn" *ngFor="let roleId of item.roleIds">
          {{ getUserRole(roleId).name }}</span
        >
      </td>
      <td>
        <span class="left">
          {{
            item.lastLoginDate
              ? (item.lastLoginDate | fromnow)
              : ('USER_MANAGEMENT.UNKNOWN_LAST_LOGIN' | translate)
          }}
        </span>
        <span class="only-show-on-hover">
          <my-icon [icon]="Icon.edit"></my-icon>
          <my-icon [icon]="Icon.password"></my-icon>
          <my-icon [icon]="Icon.delete"></my-icon>
        </span>
      </td>
    </tr>
xvgzxvgzxvgz 回答:如何使图标在html表格行中可见?

尝试这样:

Working Demo

<table class="table table-bordered">
    <ng-container *ngFor="let item of items;let i = index">
        <tr (mouseover)="rowIndex = i" (mouseleave)="rowIndex = null">
            <td>
                <span class="normalColoumn"> {{ item.firstname }}</span>
            </td>
            <td>
                <span class="normalColoumn"> {{ item.lastname }}</span>
            </td>
            <td>
                <span class="normalColoumn"> {{ item.email }}</span>
            </td>
            <td>
                <span class="normalColoumn" *ngFor="let roleId of item.roleIds">
          {{ getUserRole(roleId).name }}</span>
            </td>
            <td>
                <span class="left">
          {{
            item.lastLoginDate
              ? (item.lastLoginDate | fromnow)
              : ('USER_MANAGEMENT.UNKNOWN_LAST_LOGIN' | translate)
          }}
        </span>
                <span class="only-show-on-hover" *ngIf="rowIndex == i">
          <my-icon [icon]="Icon.edit"></my-icon>
          <my-icon [icon]="Icon.password"></my-icon>
          <my-icon [icon]="Icon.delete"></my-icon>
        </span>
            </td>
        </tr>
    </ng-container>
</table>
,

在这种情况下,您只需要正确的选择器“兄弟”组合器~

td {
  border: 1px solid grey;
}

td:hover {
  background: lightgreen;
}

td span {
  visibility: hidden;
}

td:hover~td span,td:hover span {
  visibility: visible;
  background: lightblue;
}
<table>
  <tr>
    <td>Hover Me</td>
    <td>Hover Me</td>
    <td>Hover Me</td>
    <td>Hover Me</td>
    <td><span>Icons</span></td>
  </tr>
  <tr>
    <td>Hover Me</td>
    <td>Hover Me</td>
    <td>Hover Me</td>
    <td>Hover Me</td>
    <td><span>Icons</span></td>
  </tr>
</table>

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