一个好玩的时钟js+css

flanmock · 发表于 2023-10-30 17:23

本帖最后由 flanmock 于 2023-10-30 17:27 编辑

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>环形钟表</title>
</head>
<style type="text/css">
      * {
      border: 0;
      box-sizing: border-box;
      margin: 0;
      padding: 0;
}
:root {
      --hue: 223;
      --bg: hsl(var(--hue),10%,90%);
      --fg: hsl(var(--hue),10%,10%);
      font-size: calc(16px + (24 - 16) * (100vw - 320px) / (1280 - 320));
}
body, button {
      color: var(--fg);
      font: 1em/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
body {
      background-color: var(--bg);
      height: 100vh;
      display: grid;
      place-items: center;
}

.progress-clock {
      display: grid;
      justify-content: center;
      align-content: center;
      position: relative;
      text-align: center;
      width: 16em;
      height: 16em;
}
.progress-clock__time-date,
.progress-clock__time-digit,
.progress-clock__time-colon,
.progress-clock__time-ampm {
      transition: color 0.2s linear;
      -webkit-user-select: none;
      -moz-user-select: none;
      user-select: none;
}
.progress-clock__time-date,
.progress-clock__time-digit {
      background: transparent;
}
.progress-clock__time-date,
.progress-clock__time-ampm {
      grid-column: 1 / 6;
}
.progress-clock__time-date {
      font-size: 0.75em;
      line-height: 1.33;
}
.progress-clock__time-digit,
.progress-clock__time-colon {
      font-size: 2em;
      font-weight: 400;
      grid-row: 2;
}
.progress-clock__time-colon {
      line-height: 1.275;
}
.progress-clock__time-ampm {
      cursor: default;
      grid-row: 3;
}
.progress-clock__rings {
      display: block;
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
}
.progress-clock__ring {
      opacity: 0.1;
}
.progress-clock__ring-fill {
      transition:
            opacity 0s 0.3s linear,
            stroke-dashoffset 0.3s ease-in-out;
}
.progress-clock__ring-fill--360 {
      opacity: 0;
      stroke-dashoffset: 0;
      transition-duration: 0.3s;
}
[data-group]:focus {
      outline: transparent;
}
[data-units] {
      transition: opacity 0.2s linear;
}
[data-group="d"]:focus,
[data-group="d"]:hover {
      color: hsl(333,90%,55%);
}
[data-group="h"]:focus,
[data-group="h"]:hover {
      color: hsl(33,90%,55%);
}
[data-group="m"]:focus,
[data-group="m"]:hover {
      color: hsl(213,90%,55%);
}
[data-group="s"]:focus,
[data-group="s"]:hover {
      color: hsl(273,90%,55%);
}
[data-group]:focus ~ .progress-clock__rings [data-units],
[data-group]:hover ~ .progress-clock__rings [data-units] {
      opacity: 0.2;
}
[data-group="d"]:focus ~ .progress-clock__rings [data-units="d"],
[data-group="d"]:hover ~ .progress-clock__rings [data-units="d"],
[data-group="h"]:focus ~ .progress-clock__rings [data-units="h"],
[data-group="h"]:hover ~ .progress-clock__rings [data-units="h"],
[data-group="m"]:focus ~ .progress-clock__rings [data-units="m"],
[data-group="m"]:hover ~ .progress-clock__rings [data-units="m"],
[data-group="s"]:focus ~ .progress-clock__rings [data-units="s"],
[data-group="s"]:hover ~ .progress-clock__rings [data-units="s"] {
      opacity: 1;
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
      :root {
            --bg: hsl(var(--hue),10%,10%);
            --fg: hsl(var(--hue),10%,90%);
      }
      .progress-clock__ring {
            opacity: 0.2;
      }
}
</style>
<body>
<div id="clock" class="progress-clock">
      <button class="progress-clock__time-date" data-group="d" type="button">
            <small data-unit="w">Sunday</small><br>
            <span data-unit="mo">January</span>
            <span data-unit="d">1</span>
      </button>
      <button class="progress-clock__time-digit" data-unit="h" data-group="h" type="button">12</button><span class="progress-clock__time-colon">:</span><button class="progress-clock__time-digit" data-unit="m" data-group="m" type="button">00</button><span class="progress-clock__time-colon">:</span><button class="progress-clock__time-digit" data-unit="s" data-group="s" type="button">00</button>
      <span class="progress-clock__time-ampm" data-unit="ap">AM</span>
      <svg class="progress-clock__rings" width="256" height="256" viewbox="0 0 256 256">
            <defs>
                     <lineargradient id="pc-red" x1="1" y1="0.5" x2="0" y2="0.5">
                              <stop offset="0%" stop-color="hsl(343,90%,55%)"></stop>
                              <stop offset="100%" stop-color="hsl(323,90%,55%)"></stop>
                     </lineargradient>
                     <lineargradient id="pc-yellow" x1="1" y1="0.5" x2="0" y2="0.5">
                              <stop offset="0%" stop-color="hsl(43,90%,55%)"></stop>
                              <stop offset="100%" stop-color="hsl(23,90%,55%)"></stop>
                     </lineargradient>
                     <lineargradient id="pc-blue" x1="1" y1="0.5" x2="0" y2="0.5">
                              <stop offset="0%" stop-color="hsl(223,90%,55%)"></stop>
                              <stop offset="100%" stop-color="hsl(203,90%,55%)"></stop>
                     </lineargradient>
                     <lineargradient id="pc-purple" x1="1" y1="0.5" x2="0" y2="0.5">
                              <stop offset="0%" stop-color="hsl(283,90%,55%)"></stop>
                              <stop offset="100%" stop-color="hsl(263,90%,55%)"></stop>
                     </lineargradient>
            </defs>
            
            <g data-units="d">
                     <circle class="progress-clock__ring" cx="128" cy="128" r="74" fill="none" opacity="0.1" stroke="url(#pc-red)" stroke-width="12"></circle>
                     <circle class="progress-clock__ring-fill" data-ring="mo" cx="128" cy="128" r="74" fill="none" stroke="url(#pc-red)" stroke-width="12" stroke-dasharray="465 465" stroke-dashoffset="465" stroke-linecap="round" transform="rotate(-90,128,128)"></circle>
            </g>
            
            <g data-units="h">
                     <circle class="progress-clock__ring" cx="128" cy="128" r="90" fill="none" opacity="0.1" stroke="url(#pc-yellow)" stroke-width="12"></circle>
                     <circle class="progress-clock__ring-fill" data-ring="d" cx="128" cy="128" r="90" fill="none" stroke="url(#pc-yellow)" stroke-width="12" stroke-dasharray="565.5 565.5" stroke-dashoffset="565.5" stroke-linecap="round" transform="rotate(-90,128,128)"></circle>
            </g>
            
            <g data-units="m">
                     <circle class="progress-clock__ring" cx="128" cy="128" r="106" fill="none" opacity="0.1" stroke="url(#pc-blue)" stroke-width="12"></circle>
                     <circle class="progress-clock__ring-fill" data-ring="h" cx="128" cy="128" r="106" fill="none" stroke="url(#pc-blue)" stroke-width="12" stroke-dasharray="666 666" stroke-dashoffset="666" stroke-linecap="round" transform="rotate(-90,128,128)"></circle>
            </g>
            
            <g data-units="s">
                     <circle class="progress-clock__ring" cx="128" cy="128" r="122" fill="none" opacity="0.1" stroke="url(#pc-purple)" stroke-width="12"></circle>
                     <circle class="progress-clock__ring-fill" data-ring="m" cx="128" cy="128" r="122" fill="none" stroke="url(#pc-purple)" stroke-width="12" stroke-dasharray="766.5 766.5" stroke-dashoffset="766.5" stroke-linecap="round" transform="rotate(-90,128,128)"></circle>
            </g>
      </svg>
</div>

  <script>
      window.addEventListener("DOMContentLoaded",() => {
      const clock = new ProgressClock("#clock");
});

class ProgressClock {
      constructor(qs) {
            this.el = document.querySelector(qs);
            this.time = 0;
            this.updateTimeout = null;
            this.ringTimeouts = [];
            this.update();
      }
      getDayOfWeek(day) {
            switch (day) {
                     case 1:
                              return "Monday";
                     case 2:
                              return "Tuesday";
                     case 3:
                              return "Wednesday";
                     case 4:
                              return "Thursday";
                     case 5:
                              return "FrIDAy";
                     case 6:
                              return "Saturday";
                     default:
                              return "Sunday";
            }
      }
      getMonthInfo(mo,yr) {
            switch (mo) {
                     case 1:
                              return { name: "February", days: yr % 4 === 0 ? 29 : 28 };
                     case 2:
                              return { name: "March", days: 31 };
                     case 3:
                              return { name: "April", days: 30 };
                     case 4:
                              return { name: "May", days: 31 };
                     case 5:
                              return { name: "June", days: 30 };
                     case 6:
                              return { name: "July", days: 31 };
                     case 7:
                              return { name: "August", days: 31 };
                     case 8:
                              return { name: "September", days: 30 };
                     case 9:
                              return { name: "October", days: 31 };
                     case 10:
                              return { name: "November", days: 30 };
                     case 11:
                              return { name: "December", days: 31 };
                     default:
                              return { name: "January", days: 31 };
            }
      }
      update() {
            this.time = new Date();

            if (this.el) {
                     // date and time
                     const dayOfWeek = this.time.getDay();
                     const year = this.time.getFullYear();
                     const month = this.time.getMonth();
                     const day = this.time.getDate();
                     const hr = this.time.getHours();
                     const min = this.time.getMinutes();
                     const sec = this.time.getSeconds();
                     const dayOfWeekName = this.getDayOfWeek(dayOfWeek);
                     const monthInfo = this.getMonthInfo(month,year);
                     const m_progress = sec / 60;
                     const h_progress = (min + m_progress) / 60;
                     const d_progress = (hr + h_progress) / 24;
                     const mo_progress = ((day - 1) + d_progress) / monthInfo.days;
                     const units = [
                              {
                                    label: "w",
                                    value: dayOfWeekName
                              },
                              {
                                    label: "mo",
                                    value: monthInfo.name,
                                    progress: mo_progress
                              },
                              {
                                    label: "d",
                                    value: day,
                                    progress: d_progress
                              },
                              {
                                    label: "h",
                                    value: hr > 12 ? hr - 12 : hr,
                                    progress: h_progress
                              },
                              {
                                    label: "m",
                                    value: min < 10 ? "0" + min : min,
                                    progress: m_progress
                              },
                              {
                                    label: "s",
                                    value: sec < 10 ? "0" + sec : sec
                              },
                              {
                                    label: "ap",
                                    value: hr > 12 ? "PM" : "AM"
                              }
                     ];

                     // flush out the timeouts
                     this.ringTimeouts.forEach(t => {
                              clearTimeout(t);
                     });
                     this.ringTimeouts = [];

                     // update the display
                     units.forEach(u => {
                              // rings
                              const ring = this.el.querySelector(`[data-ring="${u.label}"]`);

                              if (ring) {
                                    const strokeDashArray = ring.getAttribute("stroke-dasharray");
                                    const fill360 = "progress-clock__ring-fill--360";

                                    if (strokeDashArray) {
                                             // calculate the stroke
                                             const circumference = +strokeDashArray.split(" ")[0];
                                             const strokeDashOffsetPct = 1 - u.progress;

                                             ring.setAttribute(
                                                      "stroke-dashoffset",
                                                      strokeDashOffsetPct * circumference
                                             );

                                             if (strokeDashOffsetPct === 1) {
                                                      ring.classList.add(fill360);

                                                      this.ringTimeouts.push(
                                                            setTimeout(() => {
                                                                     ring.classList.remove(fill360);
                                                            }, 600)
                                                      );
                                             }
                                    }
                              }

                              const unit = this.el.querySelector(`[data-unit="${u.label}"]`);

                              if (unit)
                                    unit.innerText = u.value;
                     });
            }

            clearTimeout(this.updateTimeout);
            this.updateTimeout = setTimeout(this.update.bind(this),1e3);
      }
}
  </script>

</body>
</html>

huaxincanmeng · 发表于 2023-10-30 17:44

哎呀真不错

catlees · 发表于 2023-10-30 17:45

真是简单粗暴的分享方式，直接就贴出来了

已经复制粘贴验证，完美运行，作为一个启动画面或者待机画面挺不错的

Jw5t · 发表于 2023-10-30 17:49

这种的cpu占用率会不会过高啊

point001 · 发表于 2023-10-30 17:49

感谢分享。我弄下来试一下，运行一下

Edsion.Y · 发表于 2023-10-30 17:53

感谢分享,可以当电脑桌面吗？

SU150228 · 发表于 2023-10-30 18:09

对于编程小白来说，成品至关重要

123y · 发表于 2023-10-30 18:37

很好，确实重要

wiiii · 发表于 2023-10-30 18:53

能设置成桌面吗?

hackerSQL · 发表于 2023-10-30 19:03

待会我去运行试试

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