sysusermanager.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;

/**
 * 系统用户操管理
 * @author student
 *
 */

public class SysUserManager extends HttpServlet {


	/**
	 * 
	 */
	private static final long serialVersionUID = 96768620652550379L;


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

		doPost(request,response);
	}


	/**
	 * doPost方法
	 */
	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();
		UserDAO dao = null;
		if(username!=null){			
			if(task==null){				
				showSysUser(request,response);				
			}else if(task.equals("add")){//添加用户
				String tasked = "add";
				request.setAttribute("tasked",tasked);
				request.getRequestDispatcher("/admin/manager/addSysUser.jsp").forward(request,response);				
			}else if(task.equals("edit")){//修改用户
				String tasked = "edit";
				request.setAttribute("tasked",tasked);
				UserDAO userdao = new UserDAO();
				UserBean sysUser = userdao.getUserByID(userid,"1");				
				request.setAttribute("sysUser",sysUser);
				request.getRequestDispatcher("/admin/manager/addSysUser.jsp").forward(request,response);					
				
			}else if(task.equals("doadd")){//添加用户				
				
				UserBean user = null ;
				UserBean bean = new UserBean();	
				bean.userBean(request);		
				bean.setIslocked("0");
				bean.setUserflag("1");
				dao = new UserDAO();
				user = dao.getUser(bean.getUsername(),Integer.parseInt(bean.getUserflag()));	
				if(user==null){					
					if(dao.addUser(bean,bean.getUserflag())){
						
						out.println("<script>");				
						out.println("alert('添加成功！');");			
						out.println("</script>");						
//						out.flush();
//						out.close();
						showSysUser(request,response);
					}else{
						out.println("<script>");				
						out.println("alert('添加失败！');");			
						out.println("history.back();");
						out.println("</script>");			
						out.flush();
						out.close();
					}				
					
					
				}else{
					out.println("<script>");			
					out.println("alert('该用户名已经被使用！');");	
					out.println("history.back();");
					out.println("</script>");			
					out.flush();
					out.close();
				}	
				
			}else if(task.equals("doedit")){//修改用户
				
				UserBean user = null ;
				UserBean bean = new UserBean();	
				bean.userBean(request);		
				bean.setIslocked("0");
				dao = new UserDAO();
				user = dao.getsUser(userid ,bean.getUsername(),Integer.parseInt(bean.getUserflag()));	
				if(user==null){					
					if(dao.updateUser(bean,bean.getUserflag())){
						
						out.println("<script>");				
						out.println("alert('修改成功！');");			
						out.println("</script>");	
						showSysUser(request,response);
//						out.flush();
//						out.close();
					}else{
						out.println("<script>");				
						out.println("alert('修改失败！');");			
						out.println("history.back();");
						out.println("</script>");			
						out.flush();
						out.close();
					}				
					
					
				}else{
					out.println("<script>");			
					out.println("alert('该用户名已经被使用！');");	
					out.println("history.back();");
					out.println("</script>");			
					out.flush();
					out.close();
				}				
				
			}else if(task.equals("del")){//删除用户
				dao = new UserDAO();
				if(dao.del(userid)){					
					out.println("<script>");				
					out.println("alert('删除成功！');");			
					out.println("</script>");	
					showSysUser(request,response);
				}else{
					out.println("<script>");				
					out.println("alert('删除失败！');");			
					out.println("history.back();");
					out.println("</script>");			
					out.flush();
					out.close();
				}
			}					
			
		}else{
			request.getRequestDispatcher("/admin/login.jsp").forward(request,response);
		}		
	}
	/**
	 * 显示所有系统用户
	 * @param request
	 * @param response
	 * @throws ServletException
	 * @throws IOException
	 */
	private void showSysUser(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.setUserflag("1");
		user.setIslocked("0");
		user.userBean(request);
		List sysUserList = dao.getSysUser(currentPage,count,user);
		
		String path = request.getContextPath()+"/sysUserManager?";
		String sql = "select count(m.USERID)from (select * from T_userinfo where  userflag=1)m where 1=1";

		XPage page = new XPage(currentPage,count,sql);
		page.setPath(path);		
		request.setAttribute("sysUserList",sysUserList);
		request.setAttribute("mpage",page);
		request.getRequestDispatcher("/admin/manager/sysUser.jsp").forward(request,response);
	}	

}