1.案例
1.upload.jsp
<html>
<head>
<title>$Title$</title>
</head>
<body>
<form action="/DynamicWebProject_war_exploded/uploadServlet" method="post" enctype="multipart/form-data">
用户名: <input type="text" name="username" /><br>
头像:<input type="file" name="photo"><br>
<button>上传</button>
</form>
</body>
</html>
<html>
<head>
