下载文件

downLoad: downLoadUrl => {

let a = document.createElement('a')

if (a.download) {

a.href = downLoadUrl

if (document.createEvent) {

var evObj = document.createEvent('MouseEvents')

evObj.initEvent(

'click',

true,

true,

window,

1,

12,

345,

7,

220,

false,

false,

true,

false,

0,

null

)

a.dispatchEvent(evObj)

} else if (document.createEventObject) {

a.fireEvent('onmousemove')

}

} else {

window.open(downLoadUrl, '_blank')

}

},