带悬停效果的反应滑块

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html

css

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html

css

@import url("https://fonts.googleapis.com/css?family=Playfair+Display:700|IBM+Plex+Sans:500&display=swap");
:root {
  --color-primary: #6B7A8F;
  --color-secondary: #101118;
  --color-accent: #1D1F2F;
  --color-focus: #6D64F7;
  --base-duration: 600ms;
  --base-ease: cubic-bezier(0.25, 0.46, 0.45, 0.84);
}

*, *:before, *:after {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  font-family: "IBM Plex Sans", sans-serif;
  background-color: var(--color-secondary);
}

#app {
  align-items: center;
  display: flex;
  height: 100%;
  justify-content: center;
  overflow-x: hidden;
  width: 100%;
}

h1, h2, h3 {
  font-family: "Playfair Display", serif;
}

.visuallyhidden {
  clip: rect(1px, 1px, 1px, 1px);
  height: 1px;
  overflow: hidden;
  position: absolute !important;
  white-space: nowrap;
  width: 1px;
}

.icon {
  fill: var(--color-primary);
  width: 100%;
}

.btn {
  background-color: var(--color-primary);
  border: none;
  border-radius: 0.125rem;
  color: white;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  padding: 1rem 2.5rem 1.125rem;
}
.btn:focus {
  outline-color: var(--color-focus);
  outline-offset: 2px;
  outline-style: solid;
  outline-width: 3px;
}
.btn:active {
  transform: translateY(1px);
}

.slider__controls {
  display: flex;
  justify-content: center;
  position: absolute;
  top: calc(100% + 1rem);
  width: 100%;
}
.slider__controls .btn {
  --size: 3rem;
  align-items: center;
  background-color: transparent;
  border: 3px solid transparent;
  border-radius: 100%;
  display: flex;
  height: var(--size);
  padding: 0;
  width: var(--size);
}
.slider__controls .btn:focus {
  border-color: var(--color-focus);
  outline: none;
}
.slider__controls .btn--previous > * {
  transform: rotate(180deg);
}

.slider {
  --slide-size: 70vmin;
  --slide-margin: 4vmin;
  height: var(--slide-size);
  margin: 0 auto;
  position: relative;
  width: var(--slide-size);
}

.slider__wrapper {
  display: flex;
  margin: 0 calc(var(--slide-margin) * -1);
  position: absolute;
  transition: transform var(--base-duration) cubic-bezier(0.25, 1, 0.35, 1);
}

.slide {
  align-items: center;
  color: white;
  display: flex;
  flex: 1;
  flex-direction: column;
  height: var(--slide-size);
  justify-content: center;
  margin: 0 var(--slide-margin);
  opacity: 0.25;
  position: relative;
  text-align: center;
  transition: opacity calc(var(--base-duration) / 2) var(--base-ease), transform calc(var(--base-duration) / 2) var(--base-ease);
  width: var(--slide-size);
  z-index: 1;
}
.slide--previous:hover, .slide--next:hover {
  opacity: 0.5;
}
.slide--previous {
  cursor: w-resize;
}
.slide--previous:hover {
  transform: translateX(2%);
}
.slide--next {
  cursor: e-resize;
}
.slide--next:hover {
  transform: translateX(-2%);
}

.slide--current {
  --x: 0;
  --y: 0;
  --d: 50;
  opacity: 1;
  pointer-events: auto;
  -webkit-user-select: auto;
     -moz-user-select: auto;
      -ms-user-select: auto;
          user-select: auto;
}
@media (hover: hover) {
  .slide--current:hover .slide__image-wrapper {
    transform: scale(1.025) translate(calc(var(--x) / var(--d) * 1px), calc(var(--y) / var(--d) * 1px));
  }
}

.slide__image-wrapper {
  background-color: var(--color-accent);
  border-radius: 1%;
  height: 100%;
  left: 0%;
  overflow: hidden;
  position: absolute;
  top: 0%;
  transition: transform calc(var(--base-duration) / 4) var(--base-ease);
  width: 100%;
}

.slide__image {
  --d: 20;
  height: 110%;
  left: -5%;
  -o-object-fit: cover;
     object-fit: cover;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: -5%;
  transition: opacity var(--base-duration) var(--base-ease), transform var(--base-duration) var(--base-ease);
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  width: 110%;
}
@media (hover: hover) {
  .slide--current .slide__image {
    transform: translate(calc(var(--x) / var(--d) * 1px), calc(var(--y) / var(--d) * 1px));
  }
}

.slide__headline {
  font-size: 8vmin;
  font-weight: 600;
  position: relative;
}

.slide__content {
  --d: 60;
  opacity: 0;
  padding: 4vmin;
  position: relative;
  transition: transform var(--base-duration) var(--base-ease);
  visibility: hidden;
}
.slide--current .slide__content {
  -webkit-animation: fade-in calc(var(--base-duration) / 2) var(--base-ease) forwards;
          animation: fade-in calc(var(--base-duration) / 2) var(--base-ease) forwards;
  visibility: visible;
}
@media (hover: hover) {
  .slide--current .slide__content {
    transform: translate(calc(var(--x) / var(--d) * -1px), calc(var(--y) / var(--d) * -1px));
  }
}
.slide__content > * + * {
  margin-top: 2rem;
}

@-webkit-keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

JavaScript

const slideData = [
{
  index: 0,
  headline: 'New Fashion Apparel',
  button: 'Shop now',
  src: 'https://images.unsplash.com/photo-1506830392367-16cbcd8b007c?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1473&q=80' },

{
  index: 1,
  headline: 'In The Wilderness',
  button: 'Book travel',
  src: 'https://images.unsplash.com/photo-1639976518710-e6b6b9a5b1c5?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1470&q=80' },

{
  index: 2,
  headline: 'For Your Current Mood',
  button: 'Listen',
  src: 'https://images.unsplash.com/photo-1630124270815-a7de99a65cb5?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1470&q=80' },

{
  index: 3,
  headline: 'Focus On The Writing',
  button: 'Get Focused',
  src: 'https://images.unsplash.com/photo-1623721949492-88c84f98175e?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1470&q=80' }];

// =========================
// Slide
// =========================

class Slide extends React.Component {
  constructor(props) {
    super(props);

this.handleMouseMove = this.handleMouseMove.bind(this);
    this.handleMouseLeave = this.handleMouseLeave.bind(this);
    this.handleSlideClick = this.handleSlideClick.bind(this);
    this.imageLoaded = this.imageLoaded.bind(this);
    this.slide = React.createRef();
  }

handleMouseMove(event) {
    const el = this.slide.current;
    const r = el.getBoundingClientRect();

el.style.setProperty('--x', event.clientX - (r.left + Math.floor(r.width / 2)));
    el.style.setProperty('--y', event.clientY - (r.top + Math.floor(r.height / 2)));
  }

handleMouseLeave(event) {
    this.slide.current.style.setProperty('--x', 0);
    this.slide.current.style.setProperty('--y', 0);
  }

handleSlideClick(event) {
    this.props.handleSlideClick(this.props.slide.index);
  }

imageLoaded(event) {
    event.target.style.opacity = 1;
  }

render() {
    const { src, button, headline, index } = this.props.slide;
    const current = this.props.current;
    let classNames = 'slide';

if (current === index) classNames += ' slide--current';else
    if (current - 1 === index) classNames += ' slide--previous';else
    if (current + 1 === index) classNames += ' slide--next';

return /*#__PURE__*/(
      React.createElement("li", {
        ref: this.slide,
        className: classNames,
        onClick: this.handleSlideClick,
        onMouseMove: this.handleMouseMove,
        onMouseLeave: this.handleMouseLeave }, /*#__PURE__*/

React.createElement("div", { className: "slide__image-wrapper" }, /*#__PURE__*/
      React.createElement("img", {
        className: "slide__image",
        alt: headline,
        src: src,
        onLoad: this.imageLoaded })), /*#__PURE__*/

React.createElement("article", { className: "slide__content" }, /*#__PURE__*/
      React.createElement("h2", { className: "slide__headline" }, headline), /*#__PURE__*/
      React.createElement("button", { className: "slide__action btn" }, button))));

}}

// =========================
// Slider control
// =========================

const SliderControl = ({ type, title, handleClick }) => {
  return /*#__PURE__*/(
    React.createElement("button", { className: `btn btn--${type}`, title: title, onClick: handleClick }, /*#__PURE__*/
    React.createElement("svg", { className: "icon", viewBox: "0 0 24 24" }, /*#__PURE__*/
    React.createElement("path", { d: "M8.59,16.58L13.17,12L8.59,7.41L10,6L16,12L10,18L8.59,16.58Z" }))));

};

// =========================
// Slider
// =========================

class Slider extends React.Component {
  constructor(props) {
    super(props);

this.state = { current: 0 };
    this.handlePreviousClick = this.handlePreviousClick.bind(this);
    this.handleNextClick = this.handleNextClick.bind(this);
    this.handleSlideClick = this.handleSlideClick.bind(this);
  }

handlePreviousClick() {
    const previous = this.state.current - 1;

this.setState({
      current: previous < 0 ?
      this.props.slides.length - 1 :
      previous });

}

handleNextClick() {
    const next = this.state.current + 1;

this.setState({
      current: next === this.props.slides.length ?
      0 :
      next });

}

handleSlideClick(index) {
    if (this.state.current !== index) {
      this.setState({
        current: index });

}
  }

render() {
    const { current, direction } = this.state;
    const { slides, heading } = this.props;
    const headingId = `slider-heading__${heading.replace(/\s+/g, '-').toLowerCase()}`;
    const wrapperTransform = {
      'transform': `translateX(-${current * (100 / slides.length)}%)` };

return /*#__PURE__*/(
      React.createElement("div", { className: "slider", "aria-labelledby": headingId }, /*#__PURE__*/
      React.createElement("ul", { className: "slider__wrapper", style: wrapperTransform }, /*#__PURE__*/
      React.createElement("h3", { id: headingId, class: "visuallyhidden" }, heading),

slides.map(slide => {
        return /*#__PURE__*/(
          React.createElement(Slide, {
            key: slide.index,
            slide: slide,
            current: current,
            handleSlideClick: this.handleSlideClick }));

})), /*#__PURE__*/

React.createElement("div", { className: "slider__controls" }, /*#__PURE__*/
      React.createElement(SliderControl, {
        type: "previous",
        title: "Go to previous slide",
        handleClick: this.handlePreviousClick }), /*#__PURE__*/

React.createElement(SliderControl, {
        type: "next",
        title: "Go to next slide",
        handleClick: this.handleNextClick }))));

}}

ReactDOM.render( /*#__PURE__*/React.createElement(Slider, { heading: "Example Slider", slides: slideData }), document.getElementById('app'));

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