26 lines
869 B
JavaScript
26 lines
869 B
JavaScript
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function base64ToBlob(code) {
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const parts = code.split(';base64,')
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const contentType = parts[0].split(':')[1]
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const raw = window.atob(parts[1])
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const rawLength = raw.length
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const uInt8Array = new Uint8Array(rawLength)
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for (let i = 0; i < rawLength; ++i) {
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uInt8Array[i] = raw.charCodeAt(i)
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}
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return new Blob([uInt8Array], { type: contentType })
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}
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export const downloadFile = (fileName, content) => {
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const aLink = document.createElement('a')
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const blob = base64ToBlob(content) // new Blob([content]);
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const evt = document.createEvent('HTMLEvents')
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evt.initEvent('click', true, true) // initEvent 不加后两个参数在FF下会报错 事件类型，是否冒泡，是否阻止浏览器的默认行为
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aLink.download = fileName
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aLink.href = URL.createObjectURL(blob)
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// aLink.dispatchEvent(evt);
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aLink.click()
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aLink.remove()
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}
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