delcontact.java

电话簿管理系统

package Bean;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;

public class delContact extends HttpServlet{
	public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{
		DB db = new DB();	
		PrintWriter out = response.getWriter();		
		String sql,ID;
		HttpSession session = request.getSession();
		
		ID = String.valueOf(session.getAttribute("ID"));
		
		response.setContentType("text/html");
		
		sql = "delete myaddrbook where ID = '" + ID + "'";
		
		if(db.delContact(sql)){
			out.println("Contact successfully deleted!");
		}
		else{
			out.println("Contact failed deleted!");
		}	
	}
}