handlelogin.java
来自「纯粹jsp的留言板,使用了mvc」· Java 代码 · 共 73 行
JAVA
73 行
/* * To change this template, choose Tools | Templates * and open the template in the editor. */package messagepad.servlets;import messagepad.beans.*;import java.io.*;import javax.servlet.*;import javax.servlet.http.*;import java.sql.*;/** * * @author Administrator */public class handleLogin extends HttpServlet{ public void init(ServletConfig config) throws ServletException{ super.init(config); try{ Class.forName("com.mysql.jdbc.Driver"); } catch(Exception e){ } } public void doPost(HttpServletRequest request ,HttpServletResponse response) throws ServletException,IOException{ //String rName=request.getParameter("rootid"); //String rPass=request.getParameter("rootpassword"); Connection con; Statement sql; ResultSet rs; try{ String url="jdbc:mysql://localhost/taotao"; String user="taotao"; String password=".nothing"; con=DriverManager.getConnection(url,user,password); String rName=request.getParameter("rootid"); //byte b[]=str.getBytes("UTF-8"); //str=new String(b); String rPass=request.getParameter("rootpassword"); HttpSession session = request.getSession(); //byte b[]=strContent.getBytes("UTF-8"); //strContent=new String(b); String checkCondition="select id,password from managers"; sql=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE); rs=sql.executeQuery(checkCondition); rs.next(); //RequestDispatcher dispatcher=request.getRequestDispatcher("index.jsp"); //dispatcher.forward(request, response); //String r=new String("root"); //PrintWriter out=response.getWriter(); //out.print("<html><body>xxx</body><html>"); if(rs.getString("password").equals(rPass)&&rs.getString("id").equals(rName)){ response.sendRedirect("rootindex.jsp"); } else{ response.sendRedirect("login.jsp"); } } catch(SQLException e){ } } public void doGet(HttpServletRequest request ,HttpServletResponse response) throws ServletException,IOException{ doPost(request,response); }}⌨️ 快捷键说明
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