关于视频:浏览器下载视频

浏览器下载视频

function _download(url, name = "file") {    var downUrl = url;    var fileName = name;    var xhr = xhr = new XMLHttpRequest()    xhr.open('GET', downUrl, true);    xhr.responseType = 'blob';    xhr.onload = function () {        if (this.status === 200) {            var type = xhr.getResponseHeader('Content-Type')            var blob = new Blob([this.response], { type: type })            if (typeof window.navigator.msSaveBlob !== 'undefined') {                window.navigator.msSaveBlob(blob, fileName)            } else {                var URL = window.URL || window.webkitURL                var objectUrl = URL.createObjectURL(blob)                if (fileName) {                    // 创立a标签用于跳转至下载链接                    var a = document.createElement('a')                    if (typeof a.download === 'undefined') {                        window.location = objectUrl                    } else {                        a.href = objectUrl                        a.download = fileName                        document.body.appendChild(a)                        a.click()                        a.remove()                    }                } else {                    window.location = objectUrl                }                URL.revokeObjectURL(objectUrl)            }        }    }    xhr.send();}