Files
qiaoba-ui/src/utils/theme.js
2023-05-17 09:56:28 +08:00

56 lines
1.4 KiB
JavaScript

// 处理主题样式
export function handleThemeStyle(theme) {
document.documentElement.style.setProperty("--el-color-primary", theme);
for (let i = 1; i <= 9; i++) {
document.documentElement.style.setProperty(
`--el-color-primary-light-${i}`,
`${getLightColor(theme, i / 10)}`
);
}
for (let i = 1; i <= 9; i++) {
document.documentElement.style.setProperty(
`--el-color-primary-dark-${i}`,
`${getDarkColor(theme, i / 10)}`
);
}
}
// hex颜色转rgb颜色
export function hexToRgb(str) {
str = str.replace("#", "");
let hexs = str.match(/../g);
for (let i = 0; i < 3; i++) {
hexs[i] = parseInt(hexs[i], 16);
}
return hexs;
}
// rgb颜色转Hex颜色
export function rgbToHex(r, g, b) {
let hexs = [r.toString(16), g.toString(16), b.toString(16)];
for (let i = 0; i < 3; i++) {
if (hexs[i].length == 1) {
hexs[i] = `0${hexs[i]}`;
}
}
return `#${hexs.join("")}`;
}
// 变浅颜色值
export function getLightColor(color, level) {
let rgb = hexToRgb(color);
for (let i = 0; i < 3; i++) {
rgb[i] = Math.floor((255 - rgb[i]) * level + rgb[i]);
}
return rgbToHex(rgb[0], rgb[1], rgb[2]);
}
// 变深颜色值
export function getDarkColor(color, level) {
let rgb = hexToRgb(color);
for (let i = 0; i < 3; i++) {
rgb[i] = Math.floor(rgb[i] * (1 - level));
}
return rgbToHex(rgb[0], rgb[1], rgb[2]);
}