import { defineStore } from "pinia";
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import { ref } from "vue";
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// 从缓存获取主题色
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const getThemeColor = (): string => {
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const savedColor = uni.getStorageSync("themeColor");
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return savedColor || "#165DFF"; // 默认Arco蓝色
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};
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// 保存主题色到缓存
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const setThemeColorCache = (color: string) => {
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uni.setStorageSync("themeColor", color);
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};
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export const useThemeStore = defineStore("theme", () => {
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// 主题色
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const primaryColor = ref<string>(getThemeColor());
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// 设置主题色
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const setPrimaryColor = (color: string) => {
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primaryColor.value = color;
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setThemeColorCache(color);
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// 设置CSS变量,方便全局使用
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document.documentElement.style.setProperty("--primary-color", color);
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// 计算衍生色
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const lighterColor = getLighterColor(color, 0.8);
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const darkerColor = getDarkerColor(color, 0.8);
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document.documentElement.style.setProperty("--primary-color-light", lighterColor);
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document.documentElement.style.setProperty("--primary-color-dark", darkerColor);
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};
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// 获取浅色版本主题色
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const getLighterColor = (hexColor: string, factor: number): string => {
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// 去掉#前缀
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const hex = hexColor.replace("#", "");
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// 解析RGB值
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let r = parseInt(hex.substring(0, 2), 16);
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let g = parseInt(hex.substring(2, 4), 16);
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let b = parseInt(hex.substring(4, 6), 16);
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// 调亮颜色
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r = Math.min(255, Math.floor(r + (255 - r) * factor));
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g = Math.min(255, Math.floor(g + (255 - g) * factor));
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b = Math.min(255, Math.floor(b + (255 - b) * factor));
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// 转回16进制
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return `#${r.toString(16).padStart(2, "0")}${g.toString(16).padStart(2, "0")}${b.toString(16).padStart(2, "0")}`;
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};
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// 获取深色版本主题色
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const getDarkerColor = (hexColor: string, factor: number): string => {
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// 去掉#前缀
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const hex = hexColor.replace("#", "");
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// 解析RGB值
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let r = parseInt(hex.substring(0, 2), 16);
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let g = parseInt(hex.substring(2, 4), 16);
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let b = parseInt(hex.substring(4, 6), 16);
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// 调暗颜色
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r = Math.max(0, Math.floor(r * factor));
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g = Math.max(0, Math.floor(g * factor));
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b = Math.max(0, Math.floor(b * factor));
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// 转回16进制
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return `#${r.toString(16).padStart(2, "0")}${g.toString(16).padStart(2, "0")}${b.toString(16).padStart(2, "0")}`;
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};
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// 初始化,应用主题色
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const initTheme = () => {
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setPrimaryColor(primaryColor.value);
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};
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return {
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primaryColor,
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setPrimaryColor,
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initTheme,
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};
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});
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