www.pudn.com > onlineexam.zip > CheckOverlap.java

package org.mmxbb.exam.business.examinee; 
 
import java.io.IOException; 
import java.io.PrintWriter; 
import javax.servlet.ServletException; 
import javax.servlet.http.HttpServlet; 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
 
import org.mmxbb.exam.dao.ExamineeDAO; 
 
 
 
public class CheckOverlap 
    extends HttpServlet { 
  private static final String CONTENT_TYPE = "text/html; charset=GBK"; 
 
  
  public void init() throws ServletException { 
  } 
 
   
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws 
      ServletException, IOException { 
    String var0 = request.getParameter("examinee_id"); 
    if (var0 == null) { 
      return; 
    } 
    response.setContentType(CONTENT_TYPE); 
    response.setHeader("Pragma", "no-cache"); 
    response.setHeader("Expires", "0"); 
    response.setHeader("Cache-Control", "no-store"); 
 
    PrintWriter out = response.getWriter(); 
    ExamineeDAO eDAO = null; 
    eDAO = new ExamineeDAO(); 
    boolean overlap = eDAO.hasUser(var0); 
    out.println(""); 
    if (overlap) { 
      out.println("此准考证号已被注册过,请重新输入!"); 
    } 
    out.println(""); 
    out.close(); 
  } 
 
   
  public void destroy() { 
  } 
}