Edit The Code:
See Result »
Try it Yourself - ©
w3big.com
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>本教程(w3big.com)</title> </head> <body> <form action="demo-form.php"> 用户名: <input type="text" name="usrname"><br> <input type="submit" value="提交"> </form> </body> </html>