Question

<div class="input-field col s12">
      <input formControlName="client_id" id="client_id"   matInput placeholder="Select Client*" aria-label="State" [matAutocomplete]="auto"
        autoActiveFirstOption [formControl]="client_id">
      <mat-autocomplete #auto="matAutocomplete" [displayWith]="displayWith" >
        <mat-option (onSelectionChange)="updateClient($event, item.client_id, 'client_id')" *ngFor="let item of filteredOptionsClient | async"
          [value]="item.clientName">
          {{ item.clientName }}
        </mat-option>
      </mat-autocomplete>
    </div>
  <div class="input-field col s12">
         Contact No:
        <span style="color:darkblue">{{selectedClient.contactno}}</span>
      </div>

  filteredOptionsClient: any;
  client_id: FormControl = new FormControl();
 ngOnInit() {
    this.cs.getAllClients().subscribe(
      client => {
        this.client = client.map((clients) => {
          this.filteredOptionsClient = this.client_id.valueChanges.pipe(
            startWith(''),
            map(val => this.filterClient(val))
          );
          return new Client(clients);
        });
        }
      }
    );
}
  updateClient(ev: any, idd: any, componentid: any) {
    if (ev.isUserInput) {
      if (componentid === 'client_id') {
        this.clientid = idd;
        console.log('idd', idd)
        this.addsale['controls']['client_id'].setValue(ev.source.value);
      } else {
        console.log('ooops');
      }
    }
     let selectedClient = new Client('')
     this.selectedClient = null;
     for (let i = 0; i < this.client.length; i++) {
       console.log('updateclient', this.client[i].client_id)
       console.log('updateclientidd', idd)
       if (this.client[i].client_id === idd) {
         this.selectedClient = this.client[i];
       }
     }
  }

您好，我需要在html中显示小数点后2位的值。例如，当0时我需要显示0.00。可以吗？ Stackblitz链接-https://stackblitz.com/edit/angular-4cm9yr

Answer 1

使用.toFixed（小数）

（0）.toFixed（2）; -> 0.00

如何显示0.00而不是0

1 个答案: