從Angular 6的Api中獲取並合並數據

Question

如何從API檢索數據，並且對於每個用戶ID，他的帖子及其評論都以一個JSON對象返回？

可以從以下API獲取帖子 ： https : //jsonplaceholder.typicode.com/posts

及其來自此API的評論 ： https : //jsonplaceholder.typicode.com/comments

//Get User Posts And Comments
getUser() {
    this.http.get('https://jsonplaceholder.typicode.com/posts') && this.http.get('https://jsonplaceholder.typicode.com/comments')

    .subscribe(data => {
      this.posts = data;
    });

  }

Answer 1

使用forkJoin合並請求

let req1 = this.http.get('https://jsonplaceholder.typicode.com/posts')  
let req2 = this.http.get('https://jsonplaceholder.typicode.com/comments')

forkJoin([req1,req2 ] )
   .subscribe(data => {
      this.posts = data;
});