在 Angular 8 中通过 API 批量删除答案

【问题标题】：Bulk delete over API in angular 8在 Angular 8 中通过 API 批量删除
【发布时间】：2020-02-10 21:11:35
【问题描述】：

我想通过 Api 向后端发送已删除对象的列表，我该怎么做？

 public deleteOrders(orderr: Order): Observable<string> {
 return this.http.delete<string>(url, order); >>> Error 

error : Type 'Order' has no properties in common with type '{ headers?: HttpHeaders | { [header: string]: string | string[]; }; observe?: "body"; params?: HttpParams | { [param: string]: string | string[]; }; reportProgress?: boolean; responseType?: "json"; withCredentials?: boolean; }'

【问题讨论】：

看看：stackoverflow.com/a/21863914/2012333

标签： angular api bulk-delete

【解决方案1】：

你可以这样做！

deleteOrders(orderr: Order): Observable<string> {

      let body = JSON.stringify(
          {
            "token": "....",
            "content": {
            "orderr": orderr
          }
        }
      );
      let headers = new Headers({ 'Content-Type': 'application/json' });
      let options = new RequestOptions({
        headers: headers,
        body : body
      });

      return this.http.delete(url, options);
    }

【讨论】：

【解决方案2】：

看看这是否适合你！

headers = new HttpHeaders({}).set('Content-Type', 'application/json').set('Accept', 'application/json').set('Access-Control-Allow-Origin', '*');
  httpOptions = {
    headers: this.headers
  };  

deleteDocument(_id: string): Observable<any> {
     return this.http.delete<Order>(url + `${_id}`, this.httpOptions);
   }

【讨论】：