JustHTML/Tools/CountdownTimer.html at main · X-starRelight/JustHTML · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>倒计时器 - JustHTML 只需网页</title>
  <script>
/**
 * 动态加载（强制去除缓存） CSS 的函数
 * @param {string} src - 要加载的 CSS 的 src 链接
 * @returns {Promise} 返回一个 Promise 对象，用于处理异步加载
 */
function loadStyle(src) {
  return new Promise((resolve, reject) => {
    const link = document.createElement('link');
    link.rel = 'stylesheet';
    link.href = src + '?v=' + new Date().getTime(); // 使用时间戳避免缓存
    link.async = true;
    link.onload = resolve;
    link.onerror = reject;
    document.head.appendChild(link);
  });
}

/**
 * 动态加载（强制去除缓存） JS 的函数
 * @param {string} src - 要加载的 JS 的 src 链接
 * @returns {Promise} 返回一个 Promise 对象，用于处理异步加载
 */
function loadScript(src) {
  return new Promise((resolve, reject) => {
    const script = document.createElement('script');
    script.src = src + '?v=' + new Date().getTime(); // 使用时间戳避免缓存
    script.async = true;
    script.onload = resolve;
    script.onerror = reject;
    document.head.appendChild(script);
  });
}
</script>

  <script>
    loadStyle('../assets/style.css')
    let scriptArray = [
      "../assets/AddHeader_Tools.js",
      "../assets/AddFooter.js",
      "../assets/AddIco.js",
      "../assets/AutoRun.js",
    ]

    scriptArray.forEach(script => {
      loadScript(script);
    });
  </script>

  <script src="../package/Vue/code/vue.global.prod.js"></script>
  <script type="module" src="../package/Sober/code/main.js"></script>

  <style>
    .countdown-timer {
      max-width: 600px;
      margin: 0 auto;
      text-align: center;
    }

    .timer-display {
      font-size: 3em;
      font-weight: bold;
      margin: 20px 0;
      padding: 20px;
      background-color: var(--bg-tertiary);
      border-radius: var(--border-radius);
      letter-spacing: 3px;
    }

    .controls {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin: 20px 0;
    }

    .time-inputs {
      display: flex;
      justify-content: center;
      gap: 10px;
      margin: 20px 0;
      flex-wrap: wrap;
    }

    .time-input {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .time-input input {
      width: 80px;
      padding: 8px;
      text-align: center;
    }

    .time-input label {
      margin-top: 5px;
      font-size: 0.9em;
      color: var(--accent-color);
    }

    .status {
      margin: 15px 0;
      font-weight: bold;
    }

    .finished {
      color: #2ecc71;
    }

    .running {
      color: #3498db;
    }

    .paused {
      color: #f39c12;
    }

    .info-box {
      background-color: var(--bg-tertiary);
      padding: 10px;
      border-radius: var(--border-radius);
      margin: 10px 0;
    }

    .presets {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 10px;
      margin: 15px 0;
    }

    .preset-btn {
      padding: 10px;
      background-color: var(--bg-secondary);
      border: none;
      border-radius: var(--border-radius);
      cursor: pointer;
    }

    .preset-btn:hover {
      background-color: var(--bg-tertiary);
    }
  </style>
</head>
<body>
  <div id="app">
    <div class="container">
      <a href="../index.html" class="back-link">← 返回首页</a>

      <div class="tool-section countdown-timer">
        <h2>倒计时器</h2>
        <p>设置并启动倒计时</p>

        <div class="info-box">
          <p><strong>使用说明：</strong></p>
          <p>• 设置时间后点击"开始倒计时"</p>
          <p>• 可以暂停、恢复或重置倒计时</p>
          <p>• 使用预设快速设置常用时间</p>
        </div>

        <div>
          <div class="timer-display">{{ formattedTime }}</div>

          <div class="status" :class="statusClass">
            {{ statusText }}
          </div>

          <div class="time-inputs">
            <div class="time-input">
              <input
                type="number"
                v-model.number="hours"
                min="0"
                max="23"
                :disabled="isActive"
              >
              <label>小时</label>
            </div>

            <div class="time-input">
              <input
                type="number"
                v-model.number="minutes"
                min="0"
                max="59"
                :disabled="isActive"
              >
              <label>分钟</label>
            </div>

            <div class="time-input">
              <input
                type="number"
                v-model.number="seconds"
                min="0"
                max="59"
                :disabled="isActive"
              >
              <label>秒</label>
            </div>
          </div>

          <div class="controls">
            <button @click="startTimer" :disabled="isActive">开始</button>
            <button @click="pauseTimer" :disabled="!isActive || isFinished">暂停</button>
            <button @click="resumeTimer" :disabled="!isPaused">恢复</button>
            <button @click="resetTimer">重置</button>
          </div>

          <div class="presets">
            <button class="preset-btn" @click="setPreset(5, 0, 0)">5分钟</button>
            <button class="preset-btn" @click="setPreset(10, 0, 0)">10分钟</button>
            <button class="preset-btn" @click="setPreset(15, 0, 0)">15分钟</button>
            <button class="preset-btn" @click="setPreset(30, 0, 0)">30分钟</button>
            <button class="preset-btn" @click="setPreset(0, 1, 0)">1分钟</button>
            <button class="preset-btn" @click="setPreset(0, 30, 0)">30秒</button>
          </div>
        </div>
      </div>
    </div>
  </div>

  <script>
    const { createApp, ref, computed } = Vue;

    createApp({
      setup() {
        const hours = ref(0);
        const minutes = ref(5);
        const seconds = ref(0);
        const totalSeconds = ref(0);
        const isActive = ref(false);
        const isPaused = ref(false);
        const isFinished = ref(false);
        const timerInterval = ref(null);

        // 格式化时间显示
        const formattedTime = computed(() => {
          const hrs = Math.floor(totalSeconds.value / 3600);
          const mins = Math.floor((totalSeconds.value % 3600) / 60);
          const secs = totalSeconds.value % 60;

          return `${hrs.toString().padStart(2, '0')}:${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
        });

        // 状态文本
        const statusText = computed(() => {
          if (isFinished.value) return '已完成!';
          if (isActive.value && !isPaused.value) return '运行中...';
          if (isPaused.value) return '已暂停';
          return '待开始';
        });

        // 状态类
        const statusClass = computed(() => {
          if (isFinished.value) return 'finished';
          if (isActive.value && !isPaused.value) return 'running';
          if (isPaused.value) return 'paused';
          return '';
        });

        // 开始倒计时
        const startTimer = () => {
          if (totalSeconds.value <= 0) {
            totalSeconds.value = hours.value * 3600 + minutes.value * 60 + seconds.value;
            if (totalSeconds.value <= 0) {
              alert('请设置大于0的时间');
              return;
            }
          }

          isActive.value = true;
          isPaused.value = false;
          isFinished.value = false;

          timerInterval.value = setInterval(() => {
            totalSeconds.value--;

            if (totalSeconds.value <= 0) {
              clearInterval(timerInterval.value);
              totalSeconds.value = 0;
              isActive.value = false;
              isPaused.value = false;
              isFinished.value = true;

              // 浏览器通知
              if (Notification.permission === 'granted') {
                new Notification('倒计时结束!', {
                  body: '您设置的倒计时已经完成。',
                  icon: 'data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><text y=".9em" font-size="90">⏰</text></svg>'
                });
              }
            }
          }, 1000);
        };

        // 暂停倒计时
        const pauseTimer = () => {
          if (isActive.value && !isPaused.value) {
            clearInterval(timerInterval.value);
            isPaused.value = true;
            isActive.value = false;
          }
        };

        // 恢复倒计时
        const resumeTimer = () => {
          if (isPaused.value && totalSeconds.value > 0) {
            startTimer();
          }
        };

        // 重置倒计时
        const resetTimer = () => {
          clearInterval(timerInterval.value);
          isActive.value = false;
          isPaused.value = false;
          isFinished.value = false;
          totalSeconds.value = hours.value * 3600 + minutes.value * 60 + seconds.value;
        };

        // 设置预设时间
        const setPreset = (h, m, s) => {
          if (!isActive.value) {
            hours.value = h;
            minutes.value = m;
            seconds.value = s;
            totalSeconds.value = h * 3600 + m * 60 + s;
          }
        };

        // 请求通知权限
        if (Notification.permission === 'default') {
          Notification.requestPermission();
        }

        return {
          hours,
          minutes,
          seconds,
          formattedTime,
          statusText,
          statusClass,
          isActive,
          isPaused,
          isFinished,
          startTimer,
          pauseTimer,
          resumeTimer,
          resetTimer,
          setPreset
        };
      }
    }).mount('#app');
  </script>
</body>
</html>