chuser.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.sql.SQLException;
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 org.springframework.jdbc.core.JdbcTemplate;

import common.DS;

import essay.TitleOp;

public class ChUser extends HttpServlet
{
	public void doPost(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException
	{
		String username = request.getParameter("unReg");
		String password = request.getParameter("pwReg");
		String question = request.getParameter("qtReg");
		String answer = request.getParameter("awReg");
		String path = "/CF.jsp";
		JdbcTemplate jt = new JdbcTemplate(DS.getDs());
		String update = "update user set password = '" + password + "', question = '" + question
			+ "', answer = '" + answer + "' where username = '" + username + "'";
		jt.execute(update);
		HashMap props = (HashMap)request.getSession().getAttribute("props");
		try
		{
			props.put("titles", TitleOp.selAll());
		}
		catch (SQLException 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);
		}
	}
}