代码语言：javascript复制
public class uploadservlet extends HttpServlet {
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// System.out.println("文件传发来");
// ServletInputStream inputStream=req.getInputStream();
// byte[] buffrt=new byte[1024000];
// int read = inputStream.read(buffrt);
// System.out.println(new String(buffrt,0,read));
//(只有是多段数据才是文件上传)
if(ServletFileUpload.isMultipartContent(req))
{
//创建工厂实现类
FileItemFactory fileItemFactory=new DiskFileItemFactory();
//创建用于解析上传数据的工具类
ServletFileUpload servletFileUpload=new ServletFileUpload(fileItemFactory);
try {
//解析上传的数据，得到每一个表单项
List<FileItem> list=servletFileUpload.parseRequest(req);
for(FileItem fileItem :list)
{
if(fileItem.isFormField())
{
System.out.println("表单项的name属性值" fileItem.getName());
System.out.println("表单项的value的属性值" fileItem.getString("UTF-8"));
}
else
{
System.out.println("表单项的name属性值" fileItem.getFieldName());
System.out.println("上传的文件名" fileItem.getName());
fileItem.write(new File("D:\" fileItem.getName()));
}
}
} catch (FileUploadException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
