twoservlet.java

jsp编程的源代码

package com.myservlet;

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 javax.servlet.http.HttpSession;

import com.mybean.OneTitle;

public class TwoServlet extends HttpServlet {

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

		this.doPost(request, response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		int oneid;
		int userid;
		OneTitle ot = new OneTitle();
		response.setCharacterEncoding("GBK");
		request.setCharacterEncoding("GBK");
		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		String optext = new String(request.getParameter("btninone").getBytes(
				"ISO-8859-1"), "GBK");
		HttpSession session = request.getSession();
		userid = Integer.parseInt(session.getAttribute("useruser").toString());
		try {
			oneid = Integer.parseInt(request.getParameter("titleid"));
			ot.setOneid(oneid);
			String onetitle = new String(request.getParameter("titlename")
					.getBytes("ISO-8859-1"), "GBK");
			ot.setOnetitle(onetitle);
			if (optext.equals("删除")) {
				if (ot.deleteOneTitle(ot)) {
					out
							.print("<script language='javascript' type='text/javascript'>alert('删除成功!')</script>");
					response.setHeader("refresh",
							"1;url=onetitlemanager.jsp?context=0@" + userid
									+ "");
				} else {
					out
							.print("<script language='javascript' type='text/javascript'>alert('删除失败!')</script>");
					response.setHeader("refresh",
							"1;url=onetitlemanager.jsp?context=0@" + userid
									+ "");
				}
			}
			if (optext.equals("修改")) {
				if (ot.updateOneTitle(ot)) {
					out
							.print("<script language='javascript' type='text/javascript'>alert('修改成功!')</script>");
					response.setHeader("refresh",
							"1;url=onetitlemanager.jsp?context=0@" + userid
									+ "");
				} else {
					out
							.print("<script language='javascript' type='text/javascript'>alert('修改失败!')</script>");
					response.setHeader("refresh",
							"1;url=onetitlemanager.jsp?context=0@" + userid
									+ "");
				}
			}
		} catch (Exception ex) {
			System.out.println(ex.getMessage());
			out
			.print("<script language='javascript' type='text/javascript'>alert('您好像还没选择新闻!!')</script>");
	       response.setHeader("refresh",
			"1;url=onetitlemanager.jsp?context=0@" + userid
					+ "");
		}
	}

}