From 1613370080e0f06df3c381986e68d966e743e7bb Mon Sep 17 00:00:00 2001
From: hqzh <616928019@qq.com>
Date: Tue, 6 May 2025 17:53:35 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20#64=20=E4=BF=AE=E5=A4=8D=E5=88=87?=
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---
 src/store/modules/app.ts | 45 ++++++++++++++++++++++++++++++++++++----
 src/utils/color.ts       | 43 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+), 4 deletions(-)

diff --git a/src/store/modules/app.ts b/src/store/modules/app.ts
index e3d6a56f..4a2ca9ae 100644
--- a/src/store/modules/app.ts
+++ b/src/store/modules/app.ts
@@ -1,11 +1,12 @@
-import { defineStore } from 'pinia'
-import { store } from '../index'
-import { humpToUnderline, setCssVar } from '@/utils'
-import { ElMessage } from 'element-plus'
 import { CACHE_KEY, useCache } from '@/hooks/web/useCache'
 import { ElementPlusSize } from '@/types/elementPlus'
 import { LayoutType } from '@/types/layout'
 import { ThemeTypes } from '@/types/theme'
+import { humpToUnderline, setCssVar } from '@/utils'
+import { getCssColorVariable, hexToRGB, mix } from '@/utils/color'
+import { ElMessage } from 'element-plus'
+import { defineStore } from 'pinia'
+import { store } from '../index'
 
 const { wsCache } = useCache()
 
@@ -183,6 +184,40 @@ export const useAppStore = defineStore('app', {
     }
   },
   actions: {
+    setPrimaryLight() {
+      if (this.theme.elColorPrimary) {
+        const elColorPrimary = this.theme.elColorPrimary
+        const color = this.isDark ? '#000000' : '#ffffff'
+        const lightList = [3, 5, 7, 8, 9]
+        lightList.forEach((v) => {
+          setCssVar(`--el-color-primary-light-${v}`, mix(color, elColorPrimary, v / 10))
+        })
+        setCssVar(`--el-color-primary-dark-2`, mix(color, elColorPrimary, 0.2))
+
+        this.setAllColorRgbVars()
+      }
+    },
+
+    // 处理element自带的主题色和辅助色的-rgb切换主题变化，如：--el-color-primary-rgb
+    setAllColorRgbVars() {
+      // 需要处理的颜色类型列表
+      const colorTypes = ['primary', 'success', 'warning', 'danger', 'error', 'info']
+
+      colorTypes.forEach((type) => {
+        // 获取当前颜色值
+        const colorValue = getCssColorVariable(`--el-color-${type}`)
+        if (colorValue) {
+          // 转换为rgba并提取RGB部分
+          const rgbaString = hexToRGB(colorValue, 1)
+          const rgbValues = rgbaString.match(/rgba?\((\d+),\s*(\d+),\s*(\d+)/i)
+          if (rgbValues) {
+            const [, r, g, b] = rgbValues
+            // 设置对应的RGB变量
+            setCssVar(`--el-color-${type}-rgb`, `${r}, ${g}, ${b}`)
+          }
+        }
+      })
+    },
     setBreadcrumb(breadcrumb: boolean) {
       this.breadcrumb = breadcrumb
     },
@@ -256,6 +291,7 @@ export const useAppStore = defineStore('app', {
         document.documentElement.classList.remove('dark')
       }
       wsCache.set(CACHE_KEY.IS_DARK, this.isDark)
+      this.setPrimaryLight()
     },
     setCurrentSize(currentSize: ElementPlusSize) {
       this.currentSize = currentSize
@@ -272,6 +308,7 @@ export const useAppStore = defineStore('app', {
       for (const key in this.theme) {
         setCssVar(`--${humpToUnderline(key)}`, this.theme[key])
       }
+      this.setPrimaryLight()
     },
     setFooter(footer: boolean) {
       this.footer = footer
diff --git a/src/utils/color.ts b/src/utils/color.ts
index 13424e57..943be97e 100644
--- a/src/utils/color.ts
+++ b/src/utils/color.ts
@@ -172,3 +172,46 @@ export const PREDEFINE_COLORS = [
   '#1f73c3',
   '#711f57'
 ]
+
+
+/**
+ * Mixes two colors.
+ *
+ * @param {string} color1 - The first color, should be a 6-digit hexadecimal color code starting with `#`.
+ * @param {string} color2 - The second color, should be a 6-digit hexadecimal color code starting with `#`.
+ * @param {number} [weight=0.5] - The weight of color1 in the mix, should be a number between 0 and 1, where 0 represents 100% of color2, and 1 represents 100% of color1.
+ * @returns {string} The mixed color, a 6-digit hexadecimal color code starting with `#`.
+ */
+export const mix = (color1: string, color2: string, weight: number = 0.5): string => {
+  let color = '#'
+  for (let i = 0; i <= 2; i++) {
+    const c1 = parseInt(color1.substring(1 + i * 2, 3 + i * 2), 16)
+    const c2 = parseInt(color2.substring(1 + i * 2, 3 + i * 2), 16)
+    const c = Math.round(c1 * weight + c2 * (1 - weight))
+    color += c.toString(16).padStart(2, '0')
+  }
+  return color
+}
+
+/**
+ * getCssColorVariable
+ * @description 获取css变量的颜色值
+ * @param colorVariable css变量名
+ * @param opacity 透明度
+ * @returns {string} 颜色值
+ * @example getCssColorVariable('--el-color-primary', 0.5)
+ * @example getCssColorVariable('--el-color-primary')
+ * @example getCssColorVariable()
+ */
+export const getCssColorVariable = (
+  colorVariable: string = '--el-color-primary',
+  opacity?: number
+) => {
+  const colorValue = getComputedStyle(document.documentElement)
+    .getPropertyValue(colorVariable)
+    .trim()
+  if (colorValue) {
+    return opacity ? hexToRGB(colorValue, opacity) : colorValue
+  }
+  return ''
+}