package servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import dao.MessageDao;
import bean.Message;
public class AddServlet extends HttpServlet {
/**
* Constructor of the object.
*/
public AddServlet() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doGet method of the servlet. <br>
*
* 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 {
// response.setContentType("text/html");
// PrintWriter out = response.getWriter();
// out
// .println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
// out.println("<HTML>");
// out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
// out.println(" <BODY>");
// out.print(" This is ");
// out.print(this.getClass());
// out.println(", using the GET method");
// out.println(" </BODY>");
// out.println("</HTML>");
// out.flush();
// out.close();
doPost(request, response);
}
/**
* The doPost method of the servlet. <br>
*
* 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 {
request.setCharacterEncoding("gb2312");
String username=request.getParameter("username");
String topic=request.getParameter("topic");
String content=request.getParameter("content");
SimpleDateFormat sf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String appeartime=sf.format(new Date());
Message msg=new Message();
msg.setUsername(username);
msg.setTopic(topic);
msg.setContent(content);
msg.setAppeartime(appeartime);
MessageDao msgdao=new MessageDao();
int i=msgdao.add(msg);
response.setContentType("text/html;charset=gb2312");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY background='d.jpg' >");
if(i!=0){
out.print(" <h2>添加成功！<a href='addmessage.jsp'>继续添加</a></h2>");
out.print("<h2><a href='ShowServlet'>显示留言</a></h2>");
}else{
out.println("添加失败！");
}
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}
}
xiangmu.rar （33个子文件） 
xiangmu 
.project 1KB .settings .jsdtscope 500B org.eclipse.jdt.core.prefs 334B org.eclipse.wst.jsdt.ui.superType.container 49B org.eclipse.wst.jsdt.ui.superType.name 6B .mymetadata 294B WebRoot test.jsp 810B WEB-INF web.xml 891B lib 
sqljdbc.jar 227KB classes bean Message.class 1KB dao MessageDao.class 1KB tool DBConnection.class 2KB Test.class 945B PaginationBean.class 2KB servlet ShowServlet.class 2KB AddServlet.class 3KB index.jsp 2KB META-INF MANIFEST.MF 36B test1.jsp 2KB
d.jpg 38KB e.jpg 200KB addmessage.jsp 2KB database sqljdbc.jar 227KB lyy.mdf 3MB lyy_log.ldf 1024KB .myeclipse src bean Message.java 798B dao MessageDao.java 429B tool PaginationBean.java 2KB Test.java 358B DBConnection.java 2KB servlet ShowServlet.java 2KB AddServlet.java 3KB .classpath 410B
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