291 lines
8.7 KiB
HTML
291 lines
8.7 KiB
HTML
<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>12方向Tooltip</title>
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<style>
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/* 基础样式 */
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body {
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min-height: 100vh;
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margin: 0;
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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justify-content: center;
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gap: 2rem;
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padding: 2rem;
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background: #f0f2f5;
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}
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.trigger {
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padding: 0.8rem 1.6rem;
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border: none;
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border-radius: 6px;
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background: #2196f3;
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color: white;
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font-size: 1rem;
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cursor: pointer;
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transition: opacity 0.2s;
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}
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.trigger:hover {
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opacity: 0.9;
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}
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/* Tooltip 核心样式 */
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.tooltip {
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position: fixed;
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z-index: 10000;
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min-width: 60px;
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max-width: 240px;
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padding: 0.8rem 1.2rem;
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background: rgba(0, 0, 0, 0.8);
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color: white;
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font-size: 0.9rem;
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line-height: 1.4;
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border-radius: 4px;
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visibility: hidden;
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opacity: 0;
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transition:
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opacity 0.2s,
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visibility 0.2s;
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pointer-events: none;
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}
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/* 箭头通用样式 */
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.tooltip::after {
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content: '';
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position: absolute;
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width: 0;
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height: 0;
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border: 6px solid transparent;
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}
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/* 不同方向的样式 */
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/* 上方系列 */
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.tooltip.top {
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transform: translate(-50%, calc(-100% - 12px));
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}
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.tooltip.top::after {
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bottom: -12px;
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left: 50%;
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transform: translateX(-50%);
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border-top-color: rgba(0, 0, 0, 0.8);
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}
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.tooltip.top-left {
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transform: translate(calc(-100% + 12px), calc(-100% - 12px));
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}
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.tooltip.top-left::after {
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bottom: -12px;
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left: 12px;
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border-top-color: rgba(0, 0, 0, 0.8);
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}
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.tooltip.top-right {
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transform: translate(12px, calc(-100% - 12px));
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}
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.tooltip.top-right::after {
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bottom: -12px;
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right: 12px;
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border-top-color: rgba(0, 0, 0, 0.8);
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}
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/* 下方系列 */
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.tooltip.bottom {
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transform: translate(-50%, 12px);
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}
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.tooltip.bottom::after {
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top: -12px;
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left: 50%;
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transform: translateX(-50%);
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border-bottom-color: rgba(0, 0, 0, 0.8);
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}
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.tooltip.bottom-left {
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transform: translate(calc(-100% + 12px), 12px);
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}
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.tooltip.bottom-left::after {
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top: -12px;
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left: 12px;
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border-bottom-color: rgba(0, 0, 0, 0.8);
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}
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.tooltip.bottom-right {
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transform: translate(12px, 12px);
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}
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.tooltip.bottom-right::after {
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top: -12px;
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right: 12px;
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border-bottom-color: rgba(0, 0, 0, 0.8);
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}
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/* 左侧系列 */
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.tooltip.left {
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transform: translate(calc(-100% - 12px), -50%);
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}
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.tooltip.left::after {
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right: -12px;
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top: 50%;
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transform: translateY(-50%);
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border-left-color: rgba(0, 0, 0, 0.8);
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}
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.tooltip.left-top {
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transform: translate(calc(-100% - 12px), calc(-100% + 12px));
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}
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.tooltip.left-top::after {
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right: -12px;
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top: 12px;
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border-left-color: rgba(0, 0, 0, 0.8);
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}
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.tooltip.left-bottom {
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transform: translate(calc(-100% - 12px), 12px);
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}
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.tooltip.left-bottom::after {
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right: -12px;
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bottom: 12px;
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border-left-color: rgba(0, 0, 0, 0.8);
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}
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/* 右侧系列 */
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.tooltip.right {
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transform: translate(12px, -50%);
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}
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.tooltip.right::after {
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left: -12px;
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top: 50%;
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transform: translateY(-50%);
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border-right-color: rgba(0, 0, 0, 0.8);
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}
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.tooltip.right-top {
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transform: translate(12px, calc(-100% + 12px));
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}
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.tooltip.right-top::after {
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left: -12px;
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top: 12px;
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border-right-color: rgba(0, 0, 0, 0.8);
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}
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.tooltip.right-bottom {
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transform: translate(12px, 12px);
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}
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.tooltip.right-bottom::after {
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left: -12px;
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bottom: 12px;
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border-right-color: rgba(0, 0, 0, 0.8);
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}
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/* 显示状态 */
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.tooltip.visible {
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visibility: visible;
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opacity: 1;
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}
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</style>
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</head>
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<body>
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<!-- 触发元素示例 -->
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<button class="trigger" data-tooltip="顶部提示" data-direction="top">顶部</button>
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<button class="trigger" data-tooltip="顶部左侧提示" data-direction="top-left">顶部左</button>
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<button class="trigger" data-tooltip="顶部右侧提示" data-direction="top-right">顶部右</button>
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<button class="trigger" data-tooltip="底部提示" data-direction="bottom">底部</button>
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<button class="trigger" data-tooltip="底部左侧提示" data-direction="bottom-left">底部左</button>
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<button class="trigger" data-tooltip="底部右侧提示" data-direction="bottom-right">底部右</button>
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<button class="trigger" data-tooltip="左侧提示" data-direction="left">左侧</button>
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<button class="trigger" data-tooltip="左侧顶部提示" data-direction="left-top">左侧顶</button>
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<button class="trigger" data-tooltip="左侧底部提示" data-direction="left-bottom">左侧底</button>
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<button class="trigger" data-tooltip="右侧提示" data-direction="right">右侧</button>
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<button class="trigger" data-tooltip="右侧顶部提示" data-direction="right-top">右侧顶</button>
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<button class="trigger" data-tooltip="右侧底部提示" data-direction="right-bottom">右侧底</button>
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<script>
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class TooltipManager {
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constructor() {
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this.tooltip = null
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this.init()
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}
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init() {
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// 创建tooltip元素
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this.tooltip = document.createElement('div')
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this.tooltip.className = 'tooltip'
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document.body.appendChild(this.tooltip)
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// 绑定触发事件
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document.querySelectorAll('.trigger').forEach((trigger) => {
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trigger.addEventListener('mouseenter', (e) => this.show(e))
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trigger.addEventListener('mouseleave', () => this.hide())
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})
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}
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show(e) {
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const { direction } = e.target.dataset
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const text = e.target.dataset.tooltip
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const triggerRect = e.target.getBoundingClientRect()
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// 设置内容
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this.tooltip.textContent = text
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this.tooltip.className = `tooltip ${direction}`
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// 计算初始位置
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const { offsetWidth: tw, offsetHeight: th } = this.tooltip
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const { left: tx, top: ty, width: trw, height: thr } = triggerRect
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const offset = 12 // 基础偏移量
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// 方向位置映射
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const positionMap = {
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top: { left: tx + trw / 2, top: ty - th - offset },
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'top-left': { left: tx + trw - 12, top: ty - th - offset },
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'top-right': { left: tx + 12, top: ty - th - offset },
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bottom: { left: tx + trw / 2, top: ty + thr + offset },
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'bottom-left': { left: tx + trw - 12, top: ty + thr + offset },
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'bottom-right': { left: tx + 12, top: ty + thr + offset },
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left: { left: tx - tw - offset, top: ty + thr / 2 },
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'left-top': { left: tx - tw - offset, top: ty + 12 },
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'left-bottom': { left: tx - tw - offset, top: ty + thr - 12 },
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right: { left: tx + trw + offset, top: ty + thr / 2 },
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'right-top': { left: tx + trw + offset, top: ty + 12 },
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'right-bottom': { left: tx + trw + offset, top: ty + thr - 12 },
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}
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// 获取计算后的位置
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let { left, top } = positionMap[direction]
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// 边界检测（防止超出视口）
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const viewportWidth = window.innerWidth
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const viewportHeight = window.innerHeight
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// 水平方向边界处理
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if (left < 0)
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left = 12 // 左边界
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else if (left + tw > viewportWidth) left = viewportWidth - tw - 12 // 右边界
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// 垂直方向边界处理
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if (top < 0)
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top = 12 // 上边界
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else if (top + th > viewportHeight) top = viewportHeight - th - 12 // 下边界
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// 应用位置
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this.tooltip.style.left = `${left}px`
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this.tooltip.style.top = `${top}px`
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// 显示tooltip
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requestAnimationFrame(() => {
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this.tooltip.classList.add('visible')
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})
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}
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hide() {
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this.tooltip.classList.remove('visible')
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}
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}
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// 初始化Tooltip管理器
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new TooltipManager()
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</script>
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</body>
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</html>
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