// 处理主题样式
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export function handleThemeStyle(theme) {
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const primary = normalizeHex(theme)
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const [r, g, b] = hexToRgb(primary)
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const light2 = getLightColor(primary, 0.2)
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const light3 = getLightColor(primary, 0.3)
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const light5 = getLightColor(primary, 0.5)
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document.documentElement.style.setProperty('--el-color-primary', primary)
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document.documentElement.style.setProperty('--el-color-primary-rgb', `${r}, ${g}, ${b}`)
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for (let i = 1; i <= 9; i++) {
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document.documentElement.style.setProperty(`--el-color-primary-light-${i}`, `${getLightColor(primary, i / 10)}`)
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}
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for (let i = 1; i <= 9; i++) {
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document.documentElement.style.setProperty(`--el-color-primary-dark-${i}`, `${getDarkColor(primary, i / 10)}`)
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}
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// 系统主题联动到侧边栏选中态与高亮
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document.documentElement.style.setProperty('--menu-active-bg', `linear-gradient(135deg, ${primary} 0%, ${light3} 100%)`)
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document.documentElement.style.setProperty('--menu-active-glow', `0 10px 24px rgba(${r}, ${g}, ${b}, 0.32)`)
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document.documentElement.style.setProperty('--menu-hover', `rgba(${r}, ${g}, ${b}, 0.2)`)
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document.documentElement.style.setProperty('--accent-primary', primary)
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document.documentElement.style.setProperty('--accent-light', light2)
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document.documentElement.style.setProperty('--accent-lighter', light5)
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}
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// hex颜色转rgb颜色
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export function hexToRgb(str) {
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str = normalizeHex(str).replace('#', '')
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const hexs = str.match(/../g) || ['40', '9e', 'ff']
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for (let i = 0; i < 3; i++) {
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hexs[i] = parseInt(hexs[i], 16)
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}
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return hexs
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}
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// rgb颜色转hex颜色
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export function rgbToHex(r, g, b) {
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const hexs = [r.toString(16), g.toString(16), b.toString(16)]
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for (let i = 0; i < 3; i++) {
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if (hexs[i].length === 1) {
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hexs[i] = `0${hexs[i]}`
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}
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}
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return `#${hexs.join('')}`
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}
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// 变浅颜色值
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export function getLightColor(color, level) {
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const rgb = hexToRgb(color)
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for (let i = 0; i < 3; i++) {
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rgb[i] = Math.floor((255 - rgb[i]) * level + rgb[i])
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}
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return rgbToHex(rgb[0], rgb[1], rgb[2])
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}
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// 变深颜色值
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export function getDarkColor(color, level) {
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const rgb = hexToRgb(color)
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for (let i = 0; i < 3; i++) {
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rgb[i] = Math.floor(rgb[i] * (1 - level))
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}
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return rgbToHex(rgb[0], rgb[1], rgb[2])
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}
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function normalizeHex(color) {
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if (!color || typeof color !== 'string') return '#409eff'
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let value = color.trim().replace('#', '')
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if (value.length === 3) {
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value = value.split('').map((s) => s + s).join('')
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}
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if (!/^[0-9a-fA-F]{6}$/.test(value)) return '#409eff'
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return `#${value.toLowerCase()}`
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}
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