RequestOptionsArgs
Interface for options to construct a RequestOptions, based on RequestInit from the Fetch spec.
已弃用: see https://angular.io/guide/http
      
      interface RequestOptionsArgs {
  url?: string | null
  method?: string | RequestMethod | null
  search?: string | URLSearchParams | {...}
  params?: string | URLSearchParams | {...}
  headers?: Headers | null
  body?: any
  withCredentials?: boolean | null
  responseType?: ResponseContentType | null
}
    属性
| 属性 | 说明 | 
|---|---|
 url?: string | null  | |
 method?: string | RequestMethod | null  | |
 search?: string | URLSearchParams | {
    [key: string]: any | any[];
} | null  | |
 params?: string | URLSearchParams | {
    [key: string]: any | any[];
} | null  | |
 headers?: Headers | null  | |
 body?: any  | |
 withCredentials?: boolean | null  | |
 responseType?: ResponseContentType | null  |