PercentPipe
Transforms a number to a percentage string, formatted according to locale rules that determine group sizing and separator, decimal-point character, and other locale-specific configurations.
{{ value_expression | percent [ : digitsInfo [ : locale ] ] }}
Exported from
输入值
value | string | number |
参数
digitsInfo | string | 可选. 默认值是 `undefined`. |
locale | string | 可选. 默认值是 `undefined`. |
参见
使用说明
The following code shows how the pipe transforms numbers into text strings, according to various format specifications, where the caller's default locale is en-US.
@Component({
selector: 'percent-pipe',
template: `<div>
<!--output '26%'-->
<p>A: {{a | percent}}</p>
<!--output '0,134.950%'-->
<p>B: {{b | percent:'4.3-5'}}</p>
<!--output '0 134,950 %'-->
<p>B: {{b | percent:'4.3-5':'fr'}}</p>
</div>`
})
export class PercentPipeComponent {
a: number = 0.259;
b: number = 1.3495;
}
