商品销售系统-java编程系统

package com.hecheng.xdocweb.flow.web; import java.io.*; import javax.servlet.http.*; import javax.servlet.*; import javax.naming.Context; import javax.naming.InitialContext; import javax.ejb.*; import java.rmi.RemoteException; import java.util.Hashtable; import java.util.Vector; import java.util.Collection; import com.hecheng.xdocweb.util.*; import com.hecheng.xdocweb.util.xml.*; import com.hecheng.xdocweb.flow.ejb.*; import com.hecheng.xdocweb.flow.model.*; import com.hecheng.xdocweb.section.ejb.*; import com.hecheng.xdocweb.section.model.*; import com.hecheng.xdocweb.node.ejb.*; import com.hecheng.xdocweb.node.model.*; import com.hecheng.xdocweb.role.ejb.*; import com.hecheng.xdocweb.role.model.*; import com.hecheng.xdocweb.permit.ejb.*; public class FlowServlet extends GenericServlet { private ServletConfig config; boolean DEBUG = false; String theURL = null; String context_factory = null; Context initCtx = null; FlowHome fHome = null; Flow flow = null; SectionHome shome=null; SectionRemote section=null; NodeHome nhome=null; Node node=null; RoleHome rhome=null; RoleRemote role=null; public void init(ServletConfig config)throws ServletException{ super.init(config); try{ //if(DEBUG) System.out.println("获取远程接口..."); initCtx=getInitialContext(); fHome = (FlowHome)initCtx.lookup("ejb/Flow"); flow=(Flow)fHome.create(); shome=(SectionHome)initCtx.lookup("ejb/SectionEJB"); section=(SectionRemote)shome.create(); nhome = (NodeHome)initCtx.lookup("ejb/Node"); node=(Node)nhome.create(); rhome=(RoleHome)initCtx.lookup("ejb/RoleEJB"); role=(RoleRemote)rhome.create(); //if(DEBUG) System.out.println("成功."); } catch(Exception e) { //if(DEBUG) System.out.println("获取远程接口错误."); //System.out.println("Client Exception:" + e.getMessage()); e.printStackTrace(); } } public void destroy(){ } public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException { // init request and response HttpServletResponse response = (HttpServletResponse) res; HttpServletRequest request = (HttpServletRequest) req; //检查登录信息 Authorize auth = new Authorize(request); if(auth.isAnonymous()) { //匿名访问 servletPage(req, res, "/xdocweb/jsp/forbid.jsp"); } else { //合法用户 String operation = req.getParameter("operation"); if(operation==null){ servletPage(req,res,"/xdocweb/workflow/workflow_add.jsp"); }else if(operation.equals("added")){ FlowModel model = new FlowModel(); String FlowName=StringUtil.convertEncode(req.getParameter("FlowName")); if(FlowName==null) FlowName=""; String FlowDetail=StringUtil.convertEncode(req.getParameter("FlowDetail")); if(FlowDetail==null) FlowDetail=""; //FlowName=StringUtil.escapeForHTML(FlowName); //FlowDetail=StringUtil.escapeForHTML(FlowDetail); if(FlowName.length()>50) FlowName=FlowName.substring(0,50); if(FlowDetail.length()>200) FlowDetail=FlowDetail.substring(0,200); String State=req.getParameter("State"); try{ FlowDAO fdao=new FlowDAO(); int tem=fdao.exist(FlowName); if(tem!=-1){ errorPage(req,res,"流程名称已存在!"); return; } }catch(Exception e){} model.setName(FlowName); model.setDescription(FlowDetail); model.setState(State); model.setCreatorID(5); int id=-1; try{ flow.newFlow(model); FlowDAO dao = new FlowDAO(); id=dao.getMaxFlowID(); }catch(FlowException fe){ PrintWriter out=res.getWriter(); out.println("增加流程失败!"); out.println(fe.getMessage()); } NodeList nList=null; FlowModel fmodel=null; Collection RoleList=null; try{ FlowDAO dao=new FlowDAO(); fmodel=dao.getFlowByID(id); nList=node.getNodeList(id,false); }catch(Exception e){} String LocationNode=""; String NextNodeType=null; if(nList!=null){ NodeModel nmodel=nList.getNode(0); LocationNode=nmodel.getNodeName(); if(nList.size()>1) NextNodeType=nList.getNode(1).getNodeType(); else NextNodeType=null; } Vector NodeType= new Vector(); String Action=""; if(NextNodeType==null){ Action="edit"; NodeType.addElement("编辑"); NodeType.addElement("审核"); NodeType.addElement("发布"); }else if(NextNodeType.equals("编辑")){ Action="edit"; NodeType.addElement("编辑"); }else if(NextNodeType.equals("审核")||NextNodeType.equals("发布")){ Action="edit"; NodeType.addElement("编辑"); NodeType.addElement("审核"); } try{ RoleList=role.getTypeRoles("content",Action); //System.out.println("Call getTypeRoles!"); }catch(Exception e){} //Vector NodeAction= new Vector(); //NodeAction.addElement("编辑"); //NodeAction.addElement("审核"); //NodeAction.addElement("发布"); //req.setAttribute("FlowID",FlowID); //req.setAttribute("FlowName",FlowName); //req.setAttribute("FlowDetail",FlowDetail); req.setAttribute("FlowData",fmodel); req.setAttribute("NodeList",nList); req.setAttribute("LocationNode",LocationNode); req.setAttribute("NodeType",NodeType); req.setAttribute("RoleList",RoleList); servletPage(req,res,"/xdocweb/workflow/nod_add.jsp"); }else if(operation.equals("list")){ String index=req.getParameter("Index"); FlowList fList=null; try{ fList=flow.getFlowList(); }catch(Exception fe){ PrintWriter out=res.getWriter(); out.println("增加流程失败!"); out.println(fe.getMessage()); } req.setAttribute("List",fList); req.setAttribute("Index",index); if(auth.hasPermit("flow", "add")) req.setAttribute("add", "Y"); if(auth.hasPermit("flow", "update")) req.setAttribute("update", "Y"); if(auth.hasPermit("flow", "del")) req.setAttribute("del", "Y"); servletPage(req,res,"/xdocweb/workflow/workflow_list.jsp"); }else if(operation.equals("modify")){ String FlowID=req.getParameter("FlowID"); //String FlowName=StringUtil.convertEncode(req.getParameter("FlowName")); //String FlowDetail=StringUtil.convertEncode(req.getParameter("FlowDetail")); //String State=req.getParameter("State"); int Flow_ID=-1; FlowModel fmodel=null; if(FlowID!=null) Flow_ID=new Integer(FlowID).intValue(); try{ FlowDAO dao=new FlowDAO(); fmodel=dao.getFlowByID(Flow_ID); }catch(Exception e){} //req.setAttribute("FlowID",FlowID); //req.setAttribute("FlowName",FlowName); //req.setAttribute("FlowDetail",FlowDetail); //req.setAttribute("State",State); req.setAttribute("FlowData",fmodel); servletPage(req,res,"/xdocweb/workflow/workflow_amend.jsp"); }else if(operation.equals("modified")){ String FlowID=req.getParameter("FlowID"); String FlowName=StringUtil.convertEncode(req.getParameter("FlowName")); String FlowDetail=StringUtil.convertEncode(req.getParameter("FlowDetail")); //FlowName=StringUtil.escapeForHTML(FlowName); //FlowDetail=StringUtil.escapeForHTML(FlowDetail); if(FlowName==null) FlowName=""; if(FlowDetail==null) FlowDetail=""; String State=req.getParameter("State"); FlowModel model= new FlowModel(); int Flow_ID=Integer.parseInt(FlowID); try{ FlowDAO fdao=new FlowDAO(); int tem=fdao.exist(FlowName); if(tem!=-1 && tem!=Flow_ID){ errorPage(req,res,"流程名称已存在!"); return; } }catch(Exception e){} model.setFlowID(Flow_ID); model.setName(FlowName); model.setDescription(FlowDetail); model.setState(State); //model.setCreatorID(5); try{ flow.updateFlow(model); }cat