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文件大小: 5kb
下载次数: 0
上传时间: 2009-10-25
详细说明： package AiSoft.OwnHome.Servlet; 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 AiSoft.OwnHome.Bean.Article; import AiSoft.OwnHome.Common.VString; import AiSoft.OwnHome.Opreation.ArticleDao; public class DetailServlet extends HttpServlet { /** * Constructor of the object. */ public DetailServlet() { super(); } /** * Destruction of the servlet.
*/ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doGet method of the servlet.
* * This method is called when a form has its tag value method equals to get. * * @param request * the request send by the client to the server * @param response * the response send by the server to the client * @throws ServletException * if an error occurred * @throws IOException * if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } /** * The doPost method of the servlet.
* * This method is called when a form has its tag value method equals to * post. * * @param request * the request send by the client to the server * @param response * the response send by the server to the client * @throws ServletException * if an error occurred * @throws IOException * if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 中文处理 response.setContentType("text/html;charSet=gb2312"); response.setCharacterEncoding("gb2312"); PrintWriter out = response.getWriter(); // 从客户端获得articlId String temp = VString.ValidateString(request.getParameter("articleId")); // 文章ID int articleId = 0; // 如果文章ID不为空 if (temp != null || (!"".equals(temp))) { articleId = Integer.parseInt(temp); // 强制转换 } // 获得ArticleDao类 ArticleDao articleDao = new ArticleDao(); // 获得文章对象 Article article = articleDao.GetArticleById(articleId); //获取文章存在时就保存在request对象里 if (article != null) { // 把文章存放在request对象 request.setAttribute("currentArticle", article); // 请求重转发 request.getRequestDispatcher("detailArticle.jsp").forward(request, response); } //否则就提示用户不存在其文章 else{ out.println(""); } } /** * Initialization of the servlet.
* * @throws ServletException * if an error occure */ public void init() throws ServletException { // Put your code here } } ...展开收缩
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