JustHTML/Tools/CssMinifier.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>CSS压缩工具 - 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>
    .converter-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .converter-section {
      display: flex;
      flex-direction: column;
    }

    .converter-section textarea {
      flex: 1;
    }

    .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;
    }

    .stats-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 15px;
      margin: 15px 0;
    }

    .stat-item {
      padding: 10px;
      background-color: var(--bg-secondary);
      border-radius: var(--border-radius);
      text-align: center;
    }

    .stat-value {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--accent-color);
    }

    .stat-label {
      font-size: 0.9em;
      color: var(--text-secondary);
    }

    @media (max-width: 768px) {
      .converter-container {
        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>CSS压缩工具</h2>
        <p>压缩CSS代码，移除不必要的空格和换行，减少文件大小</p>

        <div class="info-box">
          <p><strong>功能说明：</strong></p>
          <p>• 压缩：移除CSS中的空格、换行和注释，减少文件大小</p>
          <p>• 验证：检查CSS代码的基本语法</p>
          <p>• 统计：显示压缩前后的大小对比</p>
        </div>

        <div class="stats-container">
          <div class="stat-item">
            <div class="stat-value">{{ inputSize }}</div>
            <div class="stat-label">原始大小 (字符)</div>
          </div>

          <div class="stat-item">
            <div class="stat-value">{{ outputSize }}</div>
            <div class="stat-label">压缩后大小 (字符)</div>
          </div>

          <div class="stat-item">
            <div class="stat-value">{{ savedSize }}</div>
            <div class="stat-label">节省大小 (字符)</div>
          </div>

          <div class="stat-item">
            <div class="stat-value">{{ savedPercent }}%</div>
            <div class="stat-label">压缩率</div>
          </div>
        </div>

        <div class="converter-container">
          <div class="converter-section">
            <h3>原始CSS</h3>
            <textarea
              v-model="inputCss"
              placeholder="在此输入CSS代码..."
              rows="15"
            ></textarea>
          </div>

          <div class="converter-section">
            <h3>压缩后的CSS</h3>
            <textarea
              v-model="minifiedCss"
              placeholder="压缩后的CSS代码将在这里显示"
              rows="15"
              readonly
            ></textarea>
          </div>
        </div>

        <div class="controls">
          <button @click="minifyCss">压缩CSS</button>
          <button @click="validateCss">验证CSS</button>
          <button @click="clearAll">清空</button>
          <button @click="copyResult">复制结果</button>
          <button @click="loadExample">加载示例</button>
        </div>

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

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

    createApp({
      setup() {
        const inputCss = ref('');
        const minifiedCss = ref('');
        const validationResult = ref('');

        const inputSize = computed(() => inputCss.value.length);
        const outputSize = computed(() => minifiedCss.value.length);
        const savedSize = computed(() => inputSize.value - outputSize.value);
        const savedPercent = computed(() => {
          if (inputSize.value === 0) return 0;
          return Math.round((savedSize.value / inputSize.value) * 100);
        });

        // 压缩CSS的函数
        const minifyCss = () => {
          if (!inputCss.value.trim()) {
            minifiedCss.value = '';
            validationResult.value = '请输入CSS代码';
            return;
          }

          try {
            let css = inputCss.value;

            // 移除注释
            css = css.replace(/\/\*[\s\S]*?\*\//g, '');

            // 移除多余的空格和换行
            css = css.replace(/\s+/g, ' ');

            // 移除选择器和属性之间的空格
            css = css.replace(/\s*{\s*/g, '{');
            css = css.replace(/\s*;\s*/g, ';');
            css = css.replace(/\s*:\s*/g, ':');
            css = css.replace(/;\}/g, '}');

            // 移除每行开头和结尾的空格
            css = css.trim();

            // 确保每个声明之间只有一个分号
            css = css.replace(/;;/g, ';');

            // 格式化输出，确保每个规则之间有空格
            css = css.replace(/}\s*/g, '} ');

            minifiedCss.value = css;
            validationResult.value = 'CSS压缩成功';
          } catch (error) {
            validationResult.value = `压缩失败: ${error.message}`;
          }
        };

        // 验证CSS的函数
        const validateCss = () => {
          if (!inputCss.value.trim()) {
            validationResult.value = '请先输入CSS代码';
            return;
          }

          try {
            // 简单的语法验证 - 检查括号匹配
            const openBraces = (inputCss.value.match(/\{/g) || []).length;
            const closeBraces = (inputCss.value.match(/\}/g) || []).length;

            if (openBraces !== closeBraces) {
              validationResult.value = `CSS语法警告: 括号不匹配 (${openBraces} 个 {, ${closeBraces} 个 })`;
              return;
            }

            // 检查是否有明显的语法错误
            if (inputCss.value.includes('{;') || inputCss.value.includes(';;')) {
              validationResult.value = 'CSS可能存在问题，请检查语法';
              return;
            }

            validationResult.value = 'CSS语法检查完成，未发现明显错误';
          } catch (error) {
            validationResult.value = `验证失败: ${error.message}`;
          }
        };

        // 清空所有内容
        const clearAll = () => {
          inputCss.value = '';
          minifiedCss.value = '';
          validationResult.value = '';
        };

        // 复制结果到剪贴板
        const copyResult = async () => {
          if (!minifiedCss.value) {
            validationResult.value = '没有可复制的内容';
            return;
          }

          try {
            await navigator.clipboard.writeText(minifiedCss.value);
            validationResult.value = '已复制到剪贴板';
          } catch (error) {
            validationResult.value = '复制失败，请手动复制';
          }
        };

        // 加载示例
        const loadExample = () => {
          inputCss.value = `/* 这是一个示例CSS */
.container {
  margin: 0;
  padding: 20px;
  background-color: #fff;
}

.header {
  position: relative;
  width: 100%;
  height: 60px;
  background: linear-gradient(to bottom, #ffffff, #f5f5f5);
  border-bottom: 1px solid #ddd;
}

.nav-item {
  display: inline-block;
  margin-right: 20px;
  padding: 5px 10px;
  text-decoration: none;
  color: #333;
  border-radius: 4px;
}`;
          minifyCss(); // 自动压缩示例
        };

        return {
          inputCss,
          minifiedCss,
          validationResult,
          inputSize,
          outputSize,
          savedSize,
          savedPercent,
          minifyCss,
          validateCss,
          clearAll,
          copyResult,
          loadExample
        };
      }
    }).mount('#app');
  </script>
</body>
</html>