1 var xhr = new XMLHttpRequest();
2 xhr.open('GET', '文件地址.mp4');
3 xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
4 xhr.responseType = "blob";
5 xhr.onprogress = function (event) {
6 if (event.lengthComputable) {
7 console.log(event.loaded);
8 console.log(event.total);12 }
13 };
14 xhr.onload = function (oEvent) {
15 console.log(oEvent);
16 console.log(xhr.status);
17 console.log(xhr.response);
18 if (xhr.readyState === 4 && xhr.status === 200) {
19 // var name = xhr.getResponseHeader("Content-disposition");
20 // var filename = name.substring(20,name.length);
21 var blob = new Blob([xhr.response], {type: 'video/mp4'});
22 var csvUrl = URL.createObjectURL(blob);
23 var link = document.createElement('a');
24 link.href = csvUrl;
25 link.download = 'abababababba.mp4';
26 link.click();
27 }
28 }
29 xhr.send();
