角6或7:如何在'@ angular/common/http'中导入RequestOptions和ResponseContentType [英] angular 6 or 7: How to import RequestOptions and ResponseContentType in '@angular/common/http'
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问题描述
我已将4号角代码迁移到6号角,我想知道如何在6号或7号角下面导入代码?
I have migrated angular 4 code to angular 6 and I want to know how to import below code in angular 6 or 7?
import { RequestOptions, ResponseContentType } from '@angular/common/http';
推荐答案
通过这种方式...
import { HttpClient, HttpHeaders } from '@angular/common/http';
let headers = new HttpHeaders({
'Content-Type': 'application/json'
});
let options = {
headers: headers
}
this.http.post(URL, param, options)
.subscribe(data => {
console.log(data);
});
// For pass blob in API
return this.http.get(url, { headers: new HttpHeaders({
'Authorization': '{data}',
'Content-Type': 'application/json',
}), responseType: 'blob'}).pipe (
tap (
// Log the result or error
data => console.log('You received data'),
error => console.log(error)
)
);
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