Javascript 通过Angular 2下载文件
有没有办法用TypeScrpit下载(已加载的)图像Javascript 通过Angular 2下载文件,javascript,html,angular,typescript,download,Javascript,Html,Angular,Typescript,Download,有没有办法用TypeScrpit下载(已加载的)图像 <div *ngIf="DisplayAttachmentImage" class="fixed-window-wrapper_dark"> <button class="btn btn-close-window" (wslClick)="HideAttachmentImage()"> <i class="evicon-cross"></i>
<div *ngIf="DisplayAttachmentImage" class="fixed-window-wrapper_dark">
<button class="btn btn-close-window" (wslClick)="HideAttachmentImage()">
<i class="evicon-cross"></i>
</button>
<div>
<img id="testImg" src='{{ImageSource}}' alt="">
</div>
</div>
如何从后端下载文件(res)。如何从网页下载图像(如上所述)既然您说“从后端”,它取决于后端-基本上,响应应该包含一个标题,如“内容处置:附件”(和文件名,请参阅) 根据后端的不同,您可能会有一个查询参数(或路由或其他什么)来影响是否发送头。然后,您只需导航到图像URL,浏览器就会下载它。可能的重复项
public GetAttachment(event: any, id: number) {
this.service.GetVisaAttachment(this.IndividualId, id).subscribe((res: any) => {
// download code should be here... I think
});
}