工具提示问题,MatTooltip在Angular中不起作用 [英] Tooltip issue, MatTooltip not working in Angular
问题描述
我正在尝试在我的仪表板页面中插入通知工具提示,但是该工具提示不起作用.我是Angular的新手,因此深表感谢.
module.ts
.. 从"@ angular/material"导入{MatTooltipModule}; ..
@NgModule({
..
MatTooltipModule
..})
component.html
<div class="notifications">
<i class="fa fa-bell fa-2x" aria-hiden="true" matTooltip="Tooltip!"></i>
</div>
要使用Angular-Material Tooltip,您将需要:
- 导入
BrowserAnimationsModule
和MatTooltipModule
:
app.module.ts
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { MatTooltipModule } from '@angular/material/tooltip';
@NgModule({
imports: [
BrowserAnimationsModule,
MatTooltipModule,
// ...
- 向您的组件添加工具提示
test.component.html
<div matTooltip="Tooltip!">Hover me</div>
- P.S如果尚未安装和导入HammerJs,则可能需要(材料将其用于某些动画和触摸手势):
npm i -S hammerjs
npm i -D @types/hammerjs
然后在您的app.module.js中导入Hammerjs:
import 'hammerjs';
要查看完整的工作示例,请参见: https://stackblitz.com/angular/keqjqmxbrbg >
更新
由于广泛使用mat-tooltip(在循环中),我在应用程序中发现内存泄漏.可以通过删除HammerJS来解决此内存泄漏.
有关更多信息和其他可能的解决方案(而不是删除HammerJS),请参见:
https://github.com/angular/material2/issues/4499
I am trying to insert a notifications tooltip in my dashboard page, but the tooltip is not working. I am very new to Angular, so any leads regarding this will be highly appreciated.
module.ts
.. import {MatTooltipModule} from '@angular/material'; ..
@NgModule({
..
MatTooltipModule
..})
component.html
<div class="notifications">
<i class="fa fa-bell fa-2x" aria-hiden="true" matTooltip="Tooltip!"></i>
</div>
To use Angular-Material Tooltip you will need:
- Import the
BrowserAnimationsModule
andMatTooltipModule
:
app.module.ts
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { MatTooltipModule } from '@angular/material/tooltip';
@NgModule({
imports: [
BrowserAnimationsModule,
MatTooltipModule,
// ...
- Add tooltip to your component
test.component.html
<div matTooltip="Tooltip!">Hover me</div>
- P.S If you haven't already installed and imported HammerJs you may need to (Material uses it for some animations and touch gestures):
npm i -S hammerjs
npm i -D @types/hammerjs
And in your app.module.js import hammerjs:
import 'hammerjs';
To view full working example see: https://stackblitz.com/angular/keqjqmxbrbg
Update
I found a memory leak in my application, due to extensive use of mat-tooltip (in a loop). This memory leak can be fixed by removing HammerJS.
For more info and other possible solutions (instead of removing HammerJS) see:
https://github.com/angular/material2/issues/4499
这篇关于工具提示问题,MatTooltip在Angular中不起作用的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!