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如何使順序(同步)HTTP POST調用(等待從每個呼叫的響應)角4個連續Http.post調用
generateDoc(project, Item, language, isDOCXFormat) : Observable<any> {
return this.http.post(this.sessionStorageService.retrieve('backendApi').baseUri + '/export/document/' + project.projectId + '/' + Item.id,
{language:language, isDOCXFormat:isPDFFormat}, option);
}
謝謝。
的【如何鏈的Http在Angular2調用]可能的複製(https://stackoverflow.com/questions/34104638/how-to- chain-http-calls-in-angular2) –