let aLink = document.createElement('a')
let blob = this.base64ToBlob(dataURL)
let evt = document.createEvent('HTMLEvents')
evt.initEvent('click', true, true)
aLink.href = (URL.createObjectURL(blob)).slice(30, 100)
aLink.click()
自动点击事件
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转载自blog.csdn.net/weixin_42981560/article/details/102485052
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