<input type="image" > 即使用图像作为按钮进行form的提交
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Schwinn</title>
</head>
<form action="/study/login.jsp">
账号：<input type="text" name="name"> <br/>
密码：<input type="password" name="password" > <br/>
<input type="image" src="kobe_click.jpg">
</form>
</html>
