网页代码：
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><title>进度条</title><link rel="stylesheet" href="semantic-ui/semantic.min.css"><script type="text/javascript" src="js/jquery3.3.1.js"></script><script type="text/javascript" src="semantic-ui/semantic.min.js"></script></head><body><div class="ui container"><img src="imgs/ios.png" class="ui middle centered rounded image" data-title="IOS" data-content="IOS开发好！"></div><script>$(".ui.image").popup();</script></body>
</html>
效果
