我目前在这个问题上花了一天时间,仍然无法从角度5的网址下载文件
leadGenSubmit() { return this.http.get('http://kmmc.in/wp-content/uploads/2014/01/lesson2.pdf',{responseType:ResponseContentType.Blob}).subscribe((data)=>{ console.log(data); var blob = new Blob([data],{type: 'application/pdf'}); console.log(blob); saveAs(blob,"testData.pdf"); },err=>{ console.log(err); } ) }
ERROR TypeError: req.responseType.toLowerCase is not a function at Observable.eval [as _subscribe] (http.js:2187) at Observable._trySubscribe (Observable.js:172)
解决方法
我认为你应该像这样定义header和responseType:
let headers = new HttpHeaders(); headers = headers.set('Accept','application/pdf'); return this.http.get(url,{ headers: headers,responseType: 'blob' });