}
request.setAttribute(\操作成功！\
RequestDispatcher rd=request.getRequestDispatcher(\rd.forward(request,response);
ib.insertANDupdateANDdel(sql);
信息查询功能的主要代码如下：
package servlet;
import java.io.IOException; import java.io.PrintWriter; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date;
import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;
import util.Validate;
import bean.InsertUpdateDelBean;
public class AmountServlet extends HttpServlet { /**
* Constructor of the object. */
public AmountServlet() { }
super();
/** * Destruction of the servlet.
*/
public void destroy() {
super.destroy(); // Just puts \// 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.
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*
* @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) }
* 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 {
throws ServletException, IOException { doPost(request, response);
/**
response.setContentType(\request.setCharacterEncoding(\
String id = request.getParameter(\
String amount = request.getParameter(\
String sql = \InsertUpdateDelBean ib = new InsertUpdateDelBean();
ib.insertANDupdateANDdel(sql);
sql = \ib.insertANDupdateANDdel(sql);
request.setAttribute(\操作成功！\
RequestDispatcher rd=request.getRequestDispatcher(\rd.forward(request,response);
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