html-
<nb步进器方位＝"；"水平"；[selectedIndex]＝"；5〃><nb步骤*ngFor＝"；设w of weeks"；[label]＝"；w"；[完成]="；false"；(点击(="；doSomthing($event(">
<nb步进器#步进器[线性]＝"；linearMode"；(点击(="；stepClick($event(">。。
然后在组件中：@ViewChild('steper'(stepperComponent：NbStepperComponent；在stepClick功能中，我可以访问stepperComponent。
https://github.com/akveo/nebular/issues/1308
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