標籤:res txt dao entity cli date date() exe style
用js下載檔案,使用<a>標籤,添加download屬性即可。
var a = document.createElement("a");a.href = "http://XXX.com/audioStream/8a9dbae9d0859e48fc1f590fcf6d4ccc.mp3";a.download ="test.mp3";a.click();
但是如果想給檔案重新命名,貌似js無法實現。
因此考慮後台實現,用java代理請求,擷取檔案設定檔案名稱,返回到前端。
public void downFiles(HttpServletResponse response,String url,String workInfoId,int type){ try{ String prefix = type == 1 ? "wav" : "txt"; url = type == 1 ? url : (url + "?textInfoId="+workInfoId); HttpEntity entity = Request.Get(url). execute().returnResponse().getEntity(); byte[] bys = EntityUtils.toByteArray(entity); //擷取作品名稱 Works works = this.worksDao.findByWorkId(workInfoId); String name = (works!=null && StringUtils.isNotBlank(works.getName())) ? works.getName() : Long.toString(new Date().getTime()); response.setHeader("Content-Disposition", "attachment; filename="+ new String(name.getBytes("utf-8"), "ISO-8859-1")+"."+prefix); OutputStream out = response.getOutputStream(); out.write(bys); out.close(); }catch (Exception e){ e.printStackTrace(); } }
js 下載檔案 修改檔案名稱