物料2自动完成:选择选项 [英] material 2 Autocomplete: select option
本文介绍了物料2自动完成:选择选项的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想在选择一个选项时调用一个函数. 经过一番搜索后,看来我必须使用:
MdAutocompleteTrigger 的属性 optionSelections
在文档中: https://material.angular.io/components/component/autocomplete optionSelections 自动完成选项选择流.
我不明白,什么是流,如何实现呢?
解决方案
在md选项上,您可以设置"onSelect"
<md-autocomplete #auto="mdAutocomplete">
<md-option (onSelect)="callSomeFunction()" *ngFor="let state of states" [value]="state.name">{{ state.name }}</md-option>
</md-autocomplete>
从beta 3开始,功能已更改:
<md-autocomplete #auto="mdAutocomplete">
<md-option (onSelectionChange)="callSomeFunction()" *ngFor="let state of states" [value]="state.name">{{ state.name }}</md-option>
</md-autocomplete>
I want to call a function when an option is selected. After some search it seem that i have to use :
property optionSelections of MdAutocompleteTrigger
In the documentation : https://material.angular.io/components/component/autocomplete optionSelections Stream of autocomplete option selections.
I dont understand that , what is a stream, how to implement this ?
解决方案
On md-option you can set "onSelect"
<md-autocomplete #auto="mdAutocomplete">
<md-option (onSelect)="callSomeFunction()" *ngFor="let state of states" [value]="state.name">{{ state.name }}</md-option>
</md-autocomplete>
Since beta 3, functionality has changed:
<md-autocomplete #auto="mdAutocomplete">
<md-option (onSelectionChange)="callSomeFunction()" *ngFor="let state of states" [value]="state.name">{{ state.name }}</md-option>
</md-autocomplete>
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