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API / @angular/common

I18nSelectPipe

Generic selector that displays the string that matches the current value.

{{ value_expression | i18nSelect : mapping }}

输入值

valuestring | null | undefined

a string to be internationalized.

参数

mapping{ [key: string]: string; }

an object that indicates the text that should be displayed for different values of the provided value.

说明

If none of the keys of the mapping match the value, then the content of the other key is returned when present, otherwise an empty string is returned.

Example

@Component( {selector: 'i18n-select-pipe', template: `<div>{{gender | i18nSelect: inviteMap}} </div>`}) export class I18nSelectPipeComponent { gender: string = 'male'; inviteMap: any = {'male': 'Invite him.', 'female': 'Invite her.', 'other': 'Invite them.'}; }