inputun.java

一个JAVA做的博客系统。系统采用JSP + JS + TOMCAT + MYSQL制作。用户能上传图片和音乐到系统中。游客和用户自己能在页面中浏览文件和听歌。

package login;

import java.io.IOException;
import java.util.HashMap;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import common.UserOp;
import common.User;

public class InputUn extends HttpServlet
{
	public void doPost(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException
	{
		String path = null;
		String username = request.getParameter("unReg");
		HashMap props = (HashMap)request.getSession().getAttribute("props");
		try
		{
			User user = UserOp.getUser(username);
			if(user != null)
			{
				path = "/login/inputAw.jsp";
				props.put("user", user);
			}
			else
				throw new Exception(username + " is not exists.");
		}
		catch (Exception e)
		{
			path = "/common/error.jsp";
			props.put("err", e.getMessage());
		}
		finally
		{
			request.getSession().setAttribute("props", props);
			RequestDispatcher rd = request.getRequestDispatcher(path);
			rd.forward(request, response);
		}
	}
}