JustHTML/Tools/CronExpressionGenerator.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>Cron表达式生成器 - 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>
    .cron-builder {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin: 20px 0;
    }

    .field-container {
      background-color: var(--bg-secondary);
      border-radius: var(--border-radius);
      padding: 15px;
    }

    .field-title {
      font-weight: bold;
      margin-bottom: 10px;
      color: var(--accent-color);
    }

    .field-description {
      font-size: 0.9em;
      color: var(--text-secondary);
      margin-bottom: 10px;
    }

    .field-input {
      width: 100%;
      padding: 8px;
      border-radius: var(--border-radius);
      border: 1px solid var(--bg-tertiary);
      background-color: var(--bg-primary);
      color: var(--text-primary);
    }

    .preset-select {
      width: 100%;
      padding: 8px;
      border-radius: var(--border-radius);
      border: 1px solid var(--bg-tertiary);
      background-color: var(--bg-primary);
      color: var(--text-primary);
      margin-top: 5px;
    }

    .result-container {
      margin-top: 20px;
      padding: 15px;
      background-color: var(--bg-tertiary);
      border-radius: var(--border-radius);
    }

    .cron-expression {
      font-family: monospace;
      font-size: 1.2em;
      background-color: var(--bg-primary);
      padding: 10px;
      border-radius: var(--border-radius);
      margin: 10px 0;
      text-align: center;
    }

    .controls {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 15px 0;
    }

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

    .examples-container {
      margin-top: 20px;
    }

    .example-item {
      padding: 8px;
      margin: 5px 0;
      background-color: var(--bg-secondary);
      border-radius: var(--border-radius);
      cursor: pointer;
      transition: var(--transition);
    }

    .example-item:hover {
      background-color: var(--bg-tertiary);
    }

    .next-runs {
      margin-top: 15px;
      max-height: 200px;
      overflow-y: auto;
    }

    .next-run-item {
      padding: 5px;
      margin: 3px 0;
      background-color: var(--bg-primary);
      border-radius: var(--border-radius);
    }

    @media (max-width: 768px) {
      .cron-builder {
        grid-template-columns: 1fr;
      }
    }
  </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">
        <h2>Cron表达式生成器</h2>
        <p>轻松创建Cron表达式，用于定时任务调度</p>

        <div class="info-box">
          <p><strong>Cron表达式格式：</strong></p>
          <p>秒 分 小时 日 月 星期 年（年是可选的）</p>
          <p><strong>特殊字符：</strong></p>
          <p>* 任意值 | , 多个值 | - 范围 | / 间隔</p>
        </div>

        <div class="cron-builder">
          <div class="field-container">
            <div class="field-title">秒 (0-59)</div>
            <div class="field-description">指定秒数</div>
            <input type="text" v-model="cronFields.second" @input="updateExpression" class="field-input" placeholder="例如: 0,30 或 */5">
            <select @change="setPreset('second', $event.target.value)" class="preset-select">
              <option value="">选择预设</option>
              <option value="0">每分钟开始时(0)</option>
              <option value="30">每分钟中间(30)</option>
              <option value="*/5">每5秒(* /5)</option>
              <option value="*/10">每10秒(* /10)</option>
              <option value="*/15">每15秒(* /15)</option>
            </select>
          </div>

          <div class="field-container">
            <div class="field-title">分 (0-59)</div>
            <div class="field-description">指定分钟数</div>
            <input type="text" v-model="cronFields.minute" @input="updateExpression" class="field-input" placeholder="例如: 0,30 或 */15">
            <select @change="setPreset('minute', $event.target.value)" class="preset-select">
              <option value="">选择预设</option>
              <option value="0">每小时开始(0)</option>
              <option value="30">每小时中间(30)</option>
              <option value="*/5">每5分钟(* /5)</option>
              <option value="*/10">每10分钟(* /10)</option>
              <option value="*/15">每15分钟(* /15)</option>
              <option value="*/30">每30分钟(* /30)</option>
            </select>
          </div>

          <div class="field-container">
            <div class="field-title">时 (0-23)</div>
            <div class="field-description">指定小时数</div>
            <input type="text" v-model="cronFields.hour" @input="updateExpression" class="field-input" placeholder="例如: 0,12 或 */6">
            <select @change="setPreset('hour', $event.target.value)" class="preset-select">
              <option value="">选择预设</option>
              <option value="0">午夜(0)</option>
              <option value="6">早晨(6)</option>
              <option value="12">中午(12)</option>
              <option value="18">傍晚(18)</option>
              <option value="*/6">每6小时(* /6)</option>
              <option value="*/8">每8小时(* /8)</option>
            </select>
          </div>

          <div class="field-container">
            <div class="field-title">日 (1-31)</div>
            <div class="field-description">指定月份中的日期</div>
            <input type="text" v-model="cronFields.day" @input="updateExpression" class="field-input" placeholder="例如: 1,15 或 */7">
            <select @change="setPreset('day', $event.target.value)" class="preset-select">
              <option value="">选择预设</option>
              <option value="1">每月第一天(1)</option>
              <option value="15">月中(15)</option>
              <option value="L">每月最后一天(L)</option>
              <option value="*/7">每周(*/7)</option>
            </select>
          </div>

          <div class="field-container">
            <div class="field-title">月 (1-12)</div>
            <div class="field-description">指定月份</div>
            <input type="text" v-model="cronFields.month" @input="updateExpression" class="field-input" placeholder="例如: 1,6,12 或 */3">
            <select @change="setPreset('month', $event.target.value)" class="preset-select">
              <option value="">选择预设</option>
              <option value="1">每年1月(1)</option>
              <option value="*/3">每季度(* /3)</option>
              <option value="*/6">每半年(* /6)</option>
            </select>
          </div>

          <div class="field-container">
            <div class="field-title">星期 (0-7)</div>
            <div class="field-description">指定一周中的某天 (0和7都是周日)</div>
            <input type="text" v-model="cronFields.weekday" @input="updateExpression" class="field-input" placeholder="例如: 0,6 或 1-5">
            <select @change="setPreset('weekday', $event.target.value)" class="preset-select">
              <option value="">选择预设</option>
              <option value="0">每周日(0)</option>
              <option value="6">每周六(6)</option>
              <option value="1-5">工作日(1-5)</option>
              <option value="0,6">周末(0,6)</option>
            </select>
          </div>
        </div>

        <div class="result-container">
          <h3>生成的Cron表达式</h3>
          <div class="cron-expression">{{ cronExpression }}</div>

          <div class="controls">
            <button @click="generateCommonExpression('everyMinute')">每分钟</button>
            <button @click="generateCommonExpression('hourly')">每小时</button>
            <button @click="generateCommonExpression('daily')">每天</button>
            <button @click="generateCommonExpression('weekly')">每周</button>
            <button @click="generateCommonExpression('monthly')">每月</button>
            <button @click="copyExpression">复制表达式</button>
            <button @click="clearAll">清空</button>
          </div>

          <div class="result" v-if="result">
            {{ result }}
          </div>

          <div class="result" v-if="error" style="color: #ff6b6b;">
            {{ error }}
          </div>
        </div>

        <div class="examples-container">
          <h3>常用Cron表达式示例</h3>
          <div class="example-item" @click="loadExample('0 0 * * * ?')">每天午夜执行</div>
          <div class="example-item" @click="loadExample('0 0 12 * * ?')">每天中午12点执行</div>
          <div class="example-item" @click="loadExample('0 30 10 ? * MON-FRI')">工作日上午10:30执行</div>
          <div class="example-item" @click="loadExample('0 0 12 1 * ?')">每月1号中午12点执行</div>
          <div class="example-item" @click="loadExample('0 0 12 L * ?')">每月最后一天中午12点执行</div>
          <div class="example-item" @click="loadExample('0 0 12 ? * SAT')">每周六中午12点执行</div>
        </div>

        <div class="next-runs" v-if="nextRuns.length > 0">
          <h3>下次执行时间</h3>
          <div v-for="(run, index) in nextRuns" :key="index" class="next-run-item">
            {{ run }}
          </div>
        </div>
      </div>
    </div>
  </div>

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

    createApp({
      setup() {
        const cronFields = ref({
          second: '0',
          minute: '0',
          hour: '12',
          day: '*',
          month: '*',
          weekday: '?'
        });

        const cronExpression = ref('0 0 12 * * ?');
        const result = ref('');
        const error = ref('');
        const nextRuns = ref([]);

        // 更新表达式
        const updateExpression = () => {
          error.value = '';
          try {
            cronExpression.value = `${cronFields.value.second} ${cronFields.value.minute} ${cronFields.value.hour} ${cronFields.value.day} ${cronFields.value.month} ${cronFields.value.weekday}`;
            calculateNextRuns();
          } catch (e) {
            error.value = `表达式错误: ${e.message}`;
          }
        };

        // 设置预设值
        const setPreset = (field, value) => {
          if (value) {
            cronFields.value[field] = value;
            updateExpression();
          }
        };

        // 生成常用表达式
        const generateCommonExpression = (type) => {
          switch(type) {
            case 'everyMinute':
              cronFields.value = { second: '0', minute: '*', hour: '*', day: '*', month: '*', weekday: '?' };
              break;
            case 'hourly':
              cronFields.value = { second: '0', minute: '0', hour: '*', day: '*', month: '*', weekday: '?' };
              break;
            case 'daily':
              cronFields.value = { second: '0', minute: '0', hour: '0', day: '*', month: '*', weekday: '?' };
              break;
            case 'weekly':
              cronFields.value = { second: '0', minute: '0', hour: '0', day: '?', month: '*', weekday: '1' };
              break;
            case 'monthly':
              cronFields.value = { second: '0', minute: '0', hour: '0', day: '1', month: '*', weekday: '?' };
              break;
          }
          updateExpression();
          result.value = `已设置为: ${type}`;
        };

        // 复制表达式
        const copyExpression = () => {
          if (cronExpression.value) {
            navigator.clipboard.writeText(cronExpression.value)
              .then(() => {
                result.value = 'Cron表达式已复制到剪贴板！';
              })
              .catch(err => {
                console.error('复制失败: ', err);
                error.value = '复制失败';
              });
          } else {
            error.value = '没有可复制的表达式';
          }
        };

        // 加载示例
        const loadExample = (expression) => {
          const parts = expression.split(' ');
          if (parts.length >= 6) {
            cronFields.value = {
              second: parts[0],
              minute: parts[1],
              hour: parts[2],
              day: parts[3],
              month: parts[4],
              weekday: parts[5]
            };
            updateExpression();
            result.value = `已加载示例: ${expression}`;
          }
        };

        // 清空
        const clearAll = () => {
          cronFields.value = {
            second: '0',
            minute: '0',
            hour: '12',
            day: '*',
            month: '*',
            weekday: '?'
          };
          updateExpression();
          result.value = '已清空所有字段';
        };

        // 计算下几次执行时间
        const calculateNextRuns = () => {
          // 简化的执行时间计算，实际的cron解析非常复杂，这里仅做演示
          nextRuns.value = [];
          const now = new Date();

          // 简单模拟，实际上需要完整的cron解析器
          if (cronExpression.value === '0 0 12 * * ?') {
            // 每天中午12点的情况
            for (let i = 1; i <= 5; i++) {
              const nextRun = new Date(now);
              nextRun.setDate(now.getDate() + i);
              nextRun.setHours(12, 0, 0, 0);
              nextRuns.value.push(nextRun.toLocaleString());
            }
          } else if (cronExpression.value === '0 0 12 L * ?') {
            // 每月最后一天中午12点
            for (let i = 0; i < 3; i++) {
              const nextRun = new Date(now.getFullYear(), now.getMonth() + i + 1, 0, 12, 0, 0);
              nextRuns.value.push(nextRun.toLocaleString());
            }
          } else {
            // 默认显示当前时间之后的5次执行
            for (let i = 1; i <= 3; i++) {
              const nextRun = new Date(now);
              nextRun.setMinutes(now.getMinutes() + i);
              nextRuns.value.push(nextRun.toLocaleString());
            }
          }
        };

        // 初始化
        updateExpression();

        return {
          cronFields,
          cronExpression,
          result,
          error,
          nextRuns,
          updateExpression,
          setPreset,
          generateCommonExpression,
          copyExpression,
          loadExample,
          clearAll
        };
      }
    }).mount('#app');
  </script>
</body>
</html>