regusermanager.java

一套购物车项目。电子商务系统。实现了前台和后台的业务逻辑。

package com.softfz.jn0708.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
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.softfz.jn0708.bean.UserBean;
import com.softfz.jn0708.dao.UserDAO;
import com.softfz.jn0708.util.XPage;

/**
 * 注册用户管理Servlet
 * @author student
 *
 */
public class RegUserManager extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = -4794850644515839147L;
	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

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


	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		HttpSession session = request.getSession();
		String username = (String)session.getAttribute("adminuname");	
		request.setCharacterEncoding("GBK");
		response.setCharacterEncoding("GBK");
		String task = request.getParameter("task");	
		String userid = request.getParameter("userid");
		PrintWriter out = response.getWriter();		
		String contextPath = request.getContextPath();
		
		if(username!=null){
	
			if(task==null){
				
				showRegUser(request,response);
				
			}else if(task.equals("lock")){//冻结用户
				
				UserDAO userdao = new UserDAO();
				boolean flag = false;
				flag = userdao.lock(userid,"1");				
				if(flag){				
					out.print("<SCRIPT>");
					out.print("alert('冻结用户成功！');");
					out.print("location.href='"+contextPath+"/regUserManager';");
					out.print("</script>");
				}else{
					out.print("<script>");
					out.print("alert('冻结用户失败');");
					out.print("history.back();");
					out.print("</script>");
				}
			}else if(task.equals("unlock")){//解冻用户
				
				UserDAO userdao = new UserDAO();
				boolean flag = false;
				flag = userdao.lock(userid,"0");				
				if(flag){				
					out.print("<SCRIPT>");
					out.print("alert('解冻用户成功！');");
					out.print("location.href='"+contextPath+"/regUserManager';");
					out.print("</script>");
				}else{
					out.print("<script>");
					out.print("alert('解冻用户失败');");
					out.print("history.back();");
					out.print("</script>");
				}
			}			
			
		}else{
			request.getRequestDispatcher("/admin/login.jsp").forward(request,response);
		}
	}

	/**
	 * 显示所有注册用户
	 * @param request
	 * @param response
	 * @throws ServletException
	 * @throws IOException
	 */
	private void showRegUser(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
				
		//获取页面参数		
		String pagenum = request.getParameter("currentPage");		
		UserDAO dao = new UserDAO();
		int currentPage = 1;
		try {
			currentPage = Integer.parseInt(pagenum);
		} catch (Exception e) {
			currentPage=1;
		}		
		int count = 10;	
		UserBean user = new UserBean();
		user.userBean(request);
		user.setUserflag("0");
		user.setIslocked("0");
		List regUserList = dao.getRegUser(currentPage,count,user);
		
		String path = request.getContextPath()+"/regUserManager?";
		String sql = "select count(m.USERID)from (select * from T_userinfo where  userflag=0)m where 1=1";

		XPage page = new XPage(currentPage,count,sql);
		page.setPath(path);		
		request.setAttribute("regUserList",regUserList);
		request.setAttribute("mpage",page);
		request.getRequestDispatcher("/admin/manager/regUser.jsp").forward(request,response);
	}	
	public void init() throws ServletException {
		// Put your code here
	}

}