点击运行
<!DOCTYPE html> <html> <head> <style> table, th, td { border: 1px solid black; } </style> </head> <body> <h1>为表格添加边框：</h1> <table> <tr> <th>Firstname</th> <th>Lastname</th> </tr> <tr> <td>Bill</td> <td>Gates</td> </tr> <tr> <td>Steve</td> <td>Jobs</td> </tr> </table> </body> </html>
运行结果
