src/servlet/DelServlet.java

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package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import util.Validate;
import bean.InsertUpdateDelBean;
import bean.SelectBean;

public class DelServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public DelServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		Validate vd = new Validate();
		String adminid = vd.getUnicode(request.getParameter("adminid"));
		String user = vd.getUnicode(request.getParameter("user"));
		String help = vd.getUnicode(request.getParameter("help"));
		String client = vd.getUnicode(request.getParameter("client"));
		String photography = vd.getUnicode(request.getParameter("photography"));
		String wedding = vd.getUnicode(request.getParameter("wedding"));
		String loan = vd.getUnicode(request.getParameter("loan"));
		String ware = vd.getUnicode(request.getParameter("ware"));
		String order = vd.getUnicode(request.getParameter("order"));
		String photopaper = vd.getUnicode(request.getParameter("photopaper"));
		String anew = vd.getUnicode(request.getParameter("anew"));
		
		InsertUpdateDelBean ib = new InsertUpdateDelBean();
		SelectBean sb = new SelectBean();
		
		String sql = "";
		String str = "";
		
		if(adminid != null && !adminid.equals("")){
			str = "/admin/adminuserlist.jsp";
			sql = "select * from admin";
			String[] args = {"id","name","pwd"};
			ArrayList al = sb.select(sql, args);
			if(al.size() == 1){