import React, { useEffect } from 'react';

const DisableCopy = () => {
  useEffect(() => {
    // 禁止复制事件
    const disableCopy = (event) => {
      event.preventDefault();
      alert('版权所有 © EST   禁止复制  非法必究');
    };

    // 添加禁止复制事件监听器
    document.addEventListener('copy', disableCopy);

    // 禁止文本选择
    const disableTextSelection = () => {
      if (typeof window.getSelection !== 'undefined') {
        window.getSelection().removeAllRanges();
      } else if (typeof document.selection !== 'undefined') {
        document.selection.empty();
      }
    };

    // 添加禁止文本选择事件监听器
    document.addEventListener('selectstart', disableTextSelection);

    return () => {
      // 移除事件监听器
      document.removeEventListener('copy', disableCopy);
      document.removeEventListener('selectstart', disableTextSelection);
    };
  }, []);

  return null;
};

export default DisableCopy;