angular [routerLink]数据绑定怎么写

Question

  <li nz-submenu [(nzOpen)]="item.open" *ngFor="let item of menuList">
      <span title>{{item.parent}}</span>
      <ul>
          <li nz-menu-item [routerLink]="['/{item.path}']" routerLinkActive="active" *ngFor="let item  of item.children">{{item.child}}</li>
      </ul>
  </li>

[routerLink]="['/{item.path}']" 这里应该怎么写才对呢

Answer 1

直接 [routerLink]="item.path"

Answer 2

[routerLink]="/{{item.path}}"

Answer 3

关于判断，有没有更简洁的写法呢？走一步判断一步真心觉得很冗余！

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