I18nPluralPipelink
Maps a value to a string that pluralizes the value according to locale rules.
输入值
| value | number | the number to be formatted |
参数
| pluralMap | {
[count: string]: string;
} | an object that mimics the ICU format, see http://userguide.icu-project.org/formatparse/messages. |
| locale | string | a 可选. 默认值是 |