jsp:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="" method="post" name="myform" enctype="multipart/from-data">
上传文件: <input type ="file" name = "sendFile"><br>
<input type ="submit" name="send" value = "上传文件" />
</form>
</body>
</html>java class:public class Upload extends HttpServlet {
private static final long serialVersionUID = 1L; public Upload() {
super();
} protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
System.out.println("11111111111111111");
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
request.setCharacterEncoding("utf-8");
System.out.println(request.getParameter("sendFile"));
FileItemFactory factory = new DiskFileItemFactory();
//FileUpload fu = new FileUpload(factory);
//DiskFileItemFactory factory = new DiskFileItemFactory();
//factory.setSizeThreshold(1024*1024*20);
// factory.setRepository(new File(("f://")));
ServletFileUpload fu = new ServletFileUpload(factory);
List<FileItem> list =null;
try {
list= fu.parseRequest(request);
for(FileItem item:list){
}
}catch (FileUploadException e) {
e.printStackTrace();
}
}
}web.xml <display-name>Test001</display-name>
<servlet>
<servlet-name>Upload</servlet-name>
<servlet-class>com.Te.Servelt.Upload</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Upload</servlet-name>
<url-pattern>/Upload</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>在线等 ,请求高人指点,改了很久要吗404的错,要吗 500的错
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="" method="post" name="myform" enctype="multipart/from-data">
上传文件: <input type ="file" name = "sendFile"><br>
<input type ="submit" name="send" value = "上传文件" />
</form>
</body>
</html>java class:public class Upload extends HttpServlet {
private static final long serialVersionUID = 1L; public Upload() {
super();
} protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
System.out.println("11111111111111111");
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
request.setCharacterEncoding("utf-8");
System.out.println(request.getParameter("sendFile"));
FileItemFactory factory = new DiskFileItemFactory();
//FileUpload fu = new FileUpload(factory);
//DiskFileItemFactory factory = new DiskFileItemFactory();
//factory.setSizeThreshold(1024*1024*20);
// factory.setRepository(new File(("f://")));
ServletFileUpload fu = new ServletFileUpload(factory);
List<FileItem> list =null;
try {
list= fu.parseRequest(request);
for(FileItem item:list){
}
}catch (FileUploadException e) {
e.printStackTrace();
}
}
}web.xml <display-name>Test001</display-name>
<servlet>
<servlet-name>Upload</servlet-name>
<servlet-class>com.Te.Servelt.Upload</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Upload</servlet-name>
<url-pattern>/Upload</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>在线等 ,请求高人指点,改了很久要吗404的错,要吗 500的错
上传文件: <input type ="file" name = "sendFile"><br>
<input type ="submit" name="send" value = "上传文件" /></form>
红色的地方都没有你请求的url
换成Upload or /Upload试试
还不行就用绝对路径
500是你的代码有错误
正:enctype="multipart/form-data"