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主题切换效果.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>主题切换效果</title>
<style>
:root {
--dark-bg: #101214;
--dark-border: #22272b;
--dark-surface: #161a1d;
--dark-text-primary: #dee4ea;
--dark-text-secondary: #738496;
--dark-primary: #1d7afc;
--dark-text-inverse: #ffffff;
--sunset-bg: #151c19;
--sunset-border: #424f4a;
--sunset-surface: #2f3834;
--sunset-text-primary: #ecd2c5;
--sunset-text-secondary: #c0ab92;
--sunset-primary: #c0ab92;
--sunset-text-inverse: #151c19;
--sunrise-bg: #ecd2c5;
--sunrise-border: #d7c9c6;
--sunrise-surface: #f3e8e5;
--sunrise-text-primary: #4f2733;
--sunrise-text-secondary: #685844;
--sunrise-primary: #a04d66;
--sunrise-text-inverse: #f3e8e5;
--light-bg: #f7f8f9;
--light-border: #f1f2f4;
--light-surface: #ffffff;
--light-text-primary: #091e42;
--light-text-secondary: #626f86;
--light-primary: #1d7afc;
--light-text-inverse: #ffffff;
--bg: var(--dark-bg);
--border: var(--dark-border);
--surface: var(--dark-surface);
--text-primary: var(--dark-text-primary);
--text-secondary: var(--dark-text-secondary);
--primary: var(--dark-primary);
--text-inverse: var(--dark-text-inverse);
}
*,
*:before,
*:after {
box-sizing: border-box;
}
html {
box-sizing: inherit;
font-size: 62.5%;
}
html,
body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
}
body {
font-size: 1.6rem;
font-family: 'Figtree', system-ui, sans-serif;
display: flex;
align-items: center;
justify-content: center;
padding: 1.2rem;
background: var(--bg);
color: var(--text-secondary);
}
.c-card {
width: 100%;
max-width: 650px;
border: 1px solid var(--border);
border-radius: 1.6rem;
padding: 3.2rem;
background: var(--surface);
position: relative;
box-shadow: 0.3px 0.5px 0.7px rgba(0, 0, 0, 0.08), 0.8px 1.6px 2px -0.8px rgba(0, 0, 0, 0.08),
2.1px 4.1px 5.2px -1.7px rgba(0, 0, 0, 0.08), 5px 10px 12.6px -2.5px rgba(0, 0, 0, 0.08);
}
.c-card__title {
margin: 0 0 0.8rem;
padding: 0;
line-height: 1.2;
font-size: 4rem;
color: var(--text-primary);
}
.c-card__description {
margin: 0;
padding: 0;
line-height: 150%;
font-size: 2rem;
color: var(--text-secondary);
}
.c-button {
display: inline-flex;
padding: 1.2rem 2rem;
background: var(--primary);
border-radius: 0.8rem;
line-height: 1;
cursor: pointer;
color: var(--text-inverse);
font-weight: 700;
user-select: none;
position: relative;
transition: all 120ms ease-out;
}
.c-button:hover,
.c-button:focus {
outline: none;
transform: scale(1.03);
}
.c-theme {
position: absolute;
top: 2.4rem;
right: 2.4rem;
width: 4rem;
height: 4rem;
cursor: pointer;
display: inline-block;
overflow: hidden;
padding: 0;
margin: 0;
background: transparent;
color: var(--text-primary);
border: 1px solid transparent;
border-radius: 0.8rem;
padding: 0.4rem;
transition: all 120ms ease-out;
}
.c-theme:hover,
.c-theme:focus {
border-color: var(--border);
}
.c-theme:after,
.c-theme:before {
content: '';
position: absolute;
z-index: 10;
}
.c-theme:after {
top: 0;
left: 0;
right: 0;
height: 0.8rem;
background: linear-gradient(to bottom, var(--surface), transparent);
}
.c-theme:before {
bottom: 0;
left: 0;
right: 0;
height: 0.8rem;
background: linear-gradient(to top, var(--surface), transparent);
}
.c-theme:focus {
outline: none;
}
.c-theme__grid {
position: relative;
width: 3.2rem;
transition: all 240ms ease-out;
}
.c-theme svg {
width: 3.2rem;
height: 3.2rem;
}
.c-theme svg:focus {
outline: none;
}
.c-box {
display: flex;
width: 100%;
flex-direction: column;
background: var(--bg);
color: var(--text-secondary);
position: relative;
padding: 1.6rem;
border-radius: 1.2rem;
border: 1px solid var(--border);
user-select: none;
cursor: pointer;
transition: all 120ms ease-out;
}
.c-box:hover,
.c-box:focus {
transform: scale(1.03);
}
.c-box__title {
display: flex;
align-items: center;
width: 100%;
}
.c-box__icon {
width: 1.6rem;
height: 1.6rem;
margin-right: 0.4rem;
}
.c-box__swatches {
display: flex;
flex-wrap: wrap;
margin-top: 0.8rem;
}
.c-box--active {
outline: 4px solid var(--primary);
}
.c-box--active:after {
content: '√';
position: absolute;
top: -1.2rem;
right: -1.2rem;
height: 2.4rem;
width: 2.4rem;
background: var(--primary);
border-radius: 999px;
color: var(--text-inverse);
display: inline-flex;
align-items: center;
justify-content: center;
}
.c-swatch {
width: 2rem;
height: 2rem;
display: inline-block;
border-radius: 999px;
border: 1px solid var(--border);
margin-right: -0.8rem;
box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.12), 0px 0px 0px 1px rgba(0, 0, 0, 0.08);
}
.c-theme-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
grid-gap: 1.6rem;
margin: 3.2rem 0;
}
@media (max-width: 700px) {
.c-theme-grid {
grid-template-columns: repeat(2, 1fr);
}
}
</style>
</head>
<body>
<div class="c-card">
<button class="c-theme" id="themePicker"></button>
<h1 class="c-card__title">主题示例</h1>
<div class="c-theme-grid" id="themeGrid"></div>
<a class="c-button" id="button">切换主题</a>
</div>
<script>
console.clear();
const themes = ['dark', 'sunset', 'sunrise', 'light'];
let count = 0;
const themePicker = document.getElementById('themePicker');
const themeList = document.getElementById('themeGrid');
const changeTheme = (theme) => {
if (count < 3) {
count += 1;
} else {
count = 0;
}
document.documentElement.style.setProperty('--bg', `var(--${theme}-bg)`);
document.documentElement.style.setProperty('--border', `var(--${theme}-border)`);
document.documentElement.style.setProperty('--surface', `var(--${theme}-surface)`);
document.documentElement.style.setProperty('--text-primary', `var(--${theme}-text-primary)`);
document.documentElement.style.setProperty('--text-secondary', `var(--${theme}-text-secondary)`);
document.documentElement.style.setProperty('--primary', `var(--${theme}-primary)`);
document.documentElement.style.setProperty('--text-inverse', `var(--${theme}-text-inverse)`);
const themeGrid = themePicker.querySelector('.c-theme__grid');
if (themeList.querySelector('.c-box--active')) {
themeList.querySelector('.c-box--active').classList.remove('c-box--active');
}
themeList.querySelectorAll('.c-box').forEach((item) => {
if (item.dataset.theme === theme) {
item.classList.add('c-box--active');
}
});
switch (theme) {
case (theme = 'dark'):
themeGrid.style.top = '0';
break;
case (theme = 'sunset'):
themeGrid.style.top = '-3.6rem';
break;
case (theme = 'sunrise'):
themeGrid.style.top = '-7.1rem';
break;
case (theme = 'light'):
themeGrid.style.top = '-10.7rem';
break;
}
};
const darkIcon = `<svg fill="currentColor" aria-hidden="true" viewBox="0 0 24 24" tabindex="-1" title="Dark"><path d="M10 2c-1.82 0-3.53.5-5 1.35C7.99 5.08 10 8.3 10 12s-2.01 6.92-5 8.65C6.47 21.5 8.18 22 10 22c5.52 0 10-4.48 10-10S15.52 2 10 2z"></path></svg>`;
const sunsetIcon = `<svg fill="currentColor" aria-hidden="true" viewBox="0 0 24 24" tabindex="-1" title="Sunset"><path d="M20 8.69V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69zM12 18c-.89 0-1.74-.2-2.5-.55C11.56 16.5 13 14.42 13 12s-1.44-4.5-3.5-5.45C10.26 6.2 11.11 6 12 6c3.31 0 6 2.69 6 6s-2.69 6-6 6z"></path></svg>`;
const sunriseIcon = `<svg fill="currentColor" aria-hidden="true" viewBox="0 0 24 24" tabindex="-1" title="Sunrise"><path d="M20 15.31 23.31 12 20 8.69V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69zM12 18V6c3.31 0 6 2.69 6 6s-2.69 6-6 6z"></path></svg>`;
const lightIcon = `<svg fill="currentColor" aria-hidden="true" viewBox="0 0 24 24" tabindex="-1" title="Light"><path d="M20 8.69V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12 20 8.69zM12 18c-3.31 0-6-2.69-6-6s2.69-6 6-6 6 2.69 6 6-2.69 6-6 6zm0-10c-2.21 0-4 1.79-4 4s1.79 4 4 4 4-1.79 4-4-1.79-4-4-4z"></path></svg>`;
themePicker.innerHTML = `
<div class="c-theme__grid">
${darkIcon}
${sunsetIcon}
${sunriseIcon}
${lightIcon}
</div>
`;
themePicker.onclick = () => {
changeTheme(themes[count]);
};
document.getElementById('button').onclick = () => {
changeTheme(themes[count]);
};
const capitalized = (word) => {
return word.charAt(0).toUpperCase() + word.slice(1);
};
themes.forEach((theme, i) => {
let box = document.createElement('button');
box.dataset.theme = theme;
box.onclick = () => {
changeTheme(themes[i]);
};
box.classList = 'c-box';
box.style.setProperty('--bg', `var(--${theme}-bg)`);
box.style.setProperty('--border', `var(--${theme}-border)`);
box.style.setProperty('--surface', `var(--${theme}-surface)`);
box.style.setProperty('--text-primary', `var(--${theme}-text-primary)`);
box.style.setProperty('--text-secondary', `var(--${theme}-text-secondary)`);
box.style.setProperty('--primary', `var(--${theme}-primary)`);
box.style.setProperty('--text-inverse', `var(--${theme}-text-inverse)`);
const iconRender = (theme) => {
switch (theme) {
case (theme = 'dark'):
return darkIcon;
break;
case (theme = 'sunset'):
return sunsetIcon;
break;
case (theme = 'sunrise'):
return sunriseIcon;
break;
case (theme = 'light'):
return lightIcon;
break;
}
};
box.innerHTML = `
<div class="c-box__title">
<span class="c-box__icon">
${iconRender(theme)}
</span>
<label>${capitalized(theme)}</label>
</div>
<div class="c-box__swatches">
<span class="c-swatch" style="background: var(--bg)" title="bg"></span>
<span class="c-swatch" style="background: var(--border)" title="border"></span>
<span class="c-swatch" style="background: var(--surface)" title="surface"></span>
<span class="c-swatch" style="background: var(--text-primary)" title="text-primary"></span>
<span class="c-swatch" style="background: var(--text-secondary)" title="text-secondary"></span>
<span class="c-swatch" style="background: var(--primary)" title="primary"></span>
<span class="c-swatch" style="background: var(--text-inverse)" title="text-inverse"></span>
</div>
`;
themeList.appendChild(box);
});
changeTheme(themes[0]);
</script>
</body>
</html>