任务一
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8/"> 5 <title></title> 6 </head> 7 <body> 8 <h3>登录</h3> 9 <form action="http://www.sina.com.cn" method="post"> 10 用户名:<input type="text" name="usename"/><br> 11 <br> 12 密码: <input type="password" name="password"><br> 13 <br> 14 <input type="submit" name="submit" value="提交"> 15 16 17 18 </form> 19 20 </body> 21 </html>