src/t/o/servlet/userchange.java

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package t.o.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 javax.servlet.http.HttpSession;

import t.o.bean.DBfood;
import t.o.bean.DBuser;
import t.o.bean.foodBean;
import t.o.bean.userBean;

public class userchange extends HttpServlet {
	private int allrow = 0;//行数
	private int yerow = 10;//每页行数
	private int yeshu = 0;//页数
	private int lastyerow = 0;//最后一页的行数
	private int showpage = 1;//当前页
	private String sql = null;
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		PrintWriter out = response.getWriter();
		HttpSession session = request.getSession();
		
		if(session.getAttribute("adminName")==null){
			response.getWriter().write("<script language='JavaScript'>" +
					"window.open('admin/login.jsp',target='_top');" + 
					"</script>"
					);
			}
		if(request.getParameter("ToPage")==null){
			sql = "select * from t_o_User";
			showpage = 1;
		}
		if(request.getParameter("searchtext")!=null){
			String search_type = request.getParameter("usersearch");
			String user= new String(request.getParameter("searchtext").toString().getBytes("iso-8859-1"),"utf-8");
			if(search_type.equals("user_name")){
				sql = "select * from t_o_User where o_userNaickname like '%"+user+"%'";
				showpage = 1;
			}
			if(search_type.equals("user_no")){
				sql = "select * from t_o_User where o_userName like '%"+user+"%'";
				showpage = 1;
			}
		}
		ArrayList<userBean> userList = new ArrayList<userBean>();
		userList = DBuser.getum(sql);
		session.setAttribute("userchange", userList);
		//显示总页数