initservlet.java

来自「iBatis分页实例 内含数据库文件在src文件夹中」· Java 代码 · 共 53 行

package org.sanguo.servlet;

import java.io.IOException;
import java.util.List;

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

import org.sanguo.dao.PageModel;

public class InitServlet extends HttpServlet {

	private PageModel model = null;

	private List records = null;

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		this.doPost(request, response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html;charset=GBK");
		request.setCharacterEncoding("GBK");

		String action = request.getParameter("action");
		if (action == null || action.length() < 1) {
			model = new PageModel();
			records = model.getOnePageRecord();
		} else {
			if (action.equalsIgnoreCase("next")) {
				System.out.println("下一页");
				records = model.getNextPage();
			}
			if (action.equalsIgnoreCase("previous")) {
				System.out.println("上一页");
				records = model.getPreviousPage();
			}
		}

		request.setAttribute("records", records);
		request.setAttribute("page", model);
		request.getRequestDispatcher("main.jsp").forward(request, response);

	}

}