67 lines
1.8 KiB
JavaScript
67 lines
1.8 KiB
JavaScript
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import Vue from 'vue'
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export const qiniuUploadProgressState = Vue.observable({
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visible: false,
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progress: 0,
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speedText: '0KB/s',
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sizeText: '',
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title: '上传中'
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})
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let lastTime = 0
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let lastSent = 0
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export function formatFileSize(bytes) {
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const n = Number(bytes) || 0
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if (n <= 0) return '0B'
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if (n < 1024) return n + 'B'
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if (n < 1024 * 1024) return (n / 1024).toFixed(1) + 'KB'
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return (n / 1024 / 1024).toFixed(2) + 'MB'
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}
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export function formatSpeed(bytesPerSec) {
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const n = Number(bytesPerSec) || 0
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if (n <= 0) return '0KB/s'
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if (n < 1024) return n.toFixed(0) + 'B/s'
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if (n < 1024 * 1024) return (n / 1024).toFixed(1) + 'KB/s'
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return (n / 1024 / 1024).toFixed(2) + 'MB/s'
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}
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export function resetQiniuUploadProgress() {
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qiniuUploadProgressState.progress = 0
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qiniuUploadProgressState.speedText = '0KB/s'
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qiniuUploadProgressState.sizeText = ''
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lastTime = 0
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lastSent = 0
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}
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export function showQiniuUploadProgress(title = '上传中') {
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resetQiniuUploadProgress()
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qiniuUploadProgressState.title = title
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qiniuUploadProgressState.visible = true
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}
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export function hideQiniuUploadProgress() {
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qiniuUploadProgressState.visible = false
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resetQiniuUploadProgress()
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}
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export function updateQiniuUploadProgress(res) {
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const now = Date.now()
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const sent = res.totalBytesSent || 0
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const total = res.totalBytesExpectedToSend || 0
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qiniuUploadProgressState.progress = Math.min(100, Math.max(0, res.progress || 0))
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if (total > 0) {
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qiniuUploadProgressState.sizeText = formatFileSize(sent) + ' / ' + formatFileSize(total)
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}
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if (lastTime && now > lastTime) {
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const deltaBytes = sent - lastSent
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const deltaTime = (now - lastTime) / 1000
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if (deltaTime > 0 && deltaBytes >= 0) {
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qiniuUploadProgressState.speedText = formatSpeed(deltaBytes / deltaTime)
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}
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}
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lastTime = now
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lastSent = sent
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}
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