Tooltip采用的是hover方式弹出提示框（参见前一篇：Bootstrap学习总结笔记（18）– 基本插件之Tooltip提示工具），适合提示内容比较少的情况，要是内容较多，就可以应用Popover提示框。
<!DOCTYPE html> <html lang="zh-cn"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="../../css/bootstrap.min.css" rel="stylesheet"> <script src="http://cdn.bootcss.com/jquery/1.11.1/jquery.min.js"></script> <script src="../../js/bootstrap.min.js"></script> <title>Popover提示弹出框</title> </head> <body> <div> <div> <h1>Popover提示弹出框</h1> </div> <div> <button type="button" data-toggle="popover" data-placement="left" title="popover left" data-content="测试">左边的按钮</button> <button type="button" data-toggle="popover" data-placement="right" title="popover right" data-content="测试">左边的按钮</button> <button type="button" data-toggle="popover" data-placement="top" title="popover top" data-content="测试">左边的按钮</button> <button type="button" data-toggle="popover" data-placement="bottom" title="popover bottom" data-content="测试">左边的按钮</button> </div> </div> <script> $(function () { $("[data-toggle='popover']").popover(); }) </script> </body> </html>
效果如下：