54 lines
2.0 KiB
JavaScript
54 lines
2.0 KiB
JavaScript
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const DEFAULT_SCAN_REGION = {
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width: 0.96,
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height: 0.24,
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centerX: 0.5,
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centerY: 0.5
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}
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const clamp = (value, min, max, fallback) => {
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const number = Number(value)
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return Number.isFinite(number) ? Math.max(min, Math.min(max, number)) : fallback
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}
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export function getScanappUserCodes() {
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const user = uni.getStorageSync('scanapp_user') || {}
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const codes = [user.username, user.nickname, user.id, user.userId, user.uid, 'U001']
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return codes.filter((code, index) => code !== undefined && code !== null && code !== '' && codes.indexOf(code) === index).map(String)
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}
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export function getScanappUserCode() {
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return getScanappUserCodes()[0]
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}
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export function getScanappSettingsStorageKey() {
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return `scanapp_settings_${getScanappUserCode()}`
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}
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export function getScanappSettings() {
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for (const userCode of getScanappUserCodes()) {
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const userSettings = uni.getStorageSync(`scanapp_settings_${userCode}`)
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if (userSettings && typeof userSettings === 'object') return userSettings
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}
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const legacySettings = uni.getStorageSync('scanapp_settings')
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return legacySettings && typeof legacySettings === 'object' ? legacySettings : {}
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}
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/**
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* 读取当前用户的有效识别区域设置，供所有业务扫码入口统一使用。
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*/
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export function getScanRegionSetting() {
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const settings = getScanappSettings()
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if (!settings.scanRegionPreset && !settings.scanRegion) return {}
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if (settings.scanRegionPreset === 'fullscreen' || (!settings.scanRegionPreset && settings.scanRegion?.fullScreen === true)) {
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return { fullScreen: true }
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}
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const region = settings.scanRegion || {}
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const width = clamp(region.width, 0.1, 1, DEFAULT_SCAN_REGION.width)
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const height = clamp(region.height, 0.1, 1, DEFAULT_SCAN_REGION.height)
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const centerX = clamp(region.centerX, 0, 1, DEFAULT_SCAN_REGION.centerX)
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const minCenterY = Math.min(0.5, height / 2)
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const centerY = clamp(region.centerY, minCenterY, 1 - minCenterY, DEFAULT_SCAN_REGION.centerY)
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return { width, height, centerX, centerY }
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}
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