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Jul 4th, 2017
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Java 0.74 KB | None | 0 0
  1. <%
  2. try
  3. {
  4. Class.forName("org.postgresql.Driver");
  5.  
  6. Connection con=DriverManager.getConnection("JDBC:postgresql://localhost/aula_neri","admin","123456");
  7.  
  8.  
  9. Statement st = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
  10. ResultSet.CONCUR_READ_ONLY);
  11.     ResultSet rs = st.executeQuery("select * from login where log_usuario = '"+
  12.                 request.getParameter("usuario")+"' and log_senha = '"+
  13.                 request.getParameter("senha")+"'");
  14.                
  15. if(rs.next())
  16. response.sendRedirect("principal.jsp");
  17.  
  18. else
  19. out.println("Negado!");            
  20.  
  21.  
  22.            
  23. }
  24. catch(ClassNotFoundException erroClass)
  25. {
  26. out.println("Classe Driver JDBC não localicado:"+erroClass);
  27. }
  28. catch(SQLException erroSql)
  29. {
  30. out.print("Erro de conexão com ao banco de dados"+erroSql);
  31. }
  32. %>
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