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如何使顺序(同步)HTTP POST调用(等待从每个呼叫的响应)角4个连续Http.post调用
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);
}
谢谢。
的【如何链的Http在Angular2调用]可能的复制(https://stackoverflow.com/questions/34104638/how-to- chain-http-calls-in-angular2) –