FundEJB基金交易平台

package entitybean.fund; import javax.ejb.SessionBean; import javax.ejb.SessionContext; import javax.ejb.CreateException; import java.util.Date; import entitybean.sales.SalesHome; import entitybean.sales.Sales; import javax.naming.InitialContext; import java.util.ArrayList; import javax.naming.*; import java.util.Iterator; public class FundSessionBean implements SessionBean { SessionContext sessionContext; public void ejbCreate() throws CreateException { } public void ejbRemove() { } public void ejbActivate() { } public void ejbPassivate() { } public void setSessionContext(SessionContext sessionContext) { this.sessionContext = sessionContext; } //添加基金 public boolean addFund(MyFund fund) { Date time=new Date(); String strtime=time.toLocaleString(); Fund salesinfo=null; try { InitialContext ctx=new InitialContext(); FundHome home=(FundHome) ctx.lookup("Fund"); salesinfo=home.create(fund.getFund_name(),fund.getPrice(),fund.getDisption(),fund.getStatus(),strtime); if(salesinfo!=null) { return true; }else { return false; } }catch(Exception ex) { ex.printStackTrace(); } return false; } public ArrayList findFundById(int id) { InitialContext ctx = null; ArrayList arr=new ArrayList(); ArrayList alist=new ArrayList(); Fund salesinfo=null; try { ctx = new InitialContext(); FundHome home=(FundHome) ctx.lookup("Fund"); System.out.println("FundSessionBean--"+id); salesinfo=(Fund)home.findByPrimaryKey(new Integer(id));//根据编号查返回单个实体； arr.add(salesinfo); Iterator it=arr.iterator(); while(it.hasNext()) { Fund fund=(Fund)it.next(); MyFund myfund=new MyFund(); myfund.setFund_no(fund.getFundNo().toString()); myfund.setFund_name(fund.getFundName()); myfund.setPrice(fund.getPrice().floatValue()); myfund.setDisption(fund.getDescription()); myfund.setStatus(fund.getStatus()); myfund.setCreate_data(fund.getCreatedDate().toLocaleString()); alist.add(myfund); } } catch (Exception ex) { ex.printStackTrace(); } return alist; } public ArrayList findFundByName(String name) { InitialContext ctx = null; ArrayList arr=new ArrayList(); ArrayList alist=new ArrayList(); Fund salesinfo=null; try { ctx = new InitialContext(); FundHome home=(FundHome) ctx.lookup("Fund"); arr=(ArrayList)home.findByName(name); Iterator it=arr.iterator(); while(it.hasNext()) { Fund fund=(Fund)it.next(); MyFund myfund=new MyFund(); myfund.setFund_no(fund.getFundNo().toString()); myfund.setFund_name(fund.getFundName()); myfund.setPrice(fund.getPrice().floatValue()); myfund.setDisption(fund.getDescription()); myfund.setStatus(fund.getStatus()); myfund.setCreate_data(fund.getCreatedDate().toLocaleString()); alist.add(myfund); } } catch (Exception ex) { ex.printStackTrace(); } return alist; } public ArrayList findFundByIdAndName(int id, String name) { InitialContext ctx = null; ArrayList arr=null; ArrayList alist=new ArrayList(); Fund salesinfo=null; try { ctx = new InitialContext(); FundHome home=(FundHome) ctx.lookup("Fund"); arr=(ArrayList)home.findByNameAndId(new Integer(id),name); Iterator it=arr.iterator(); while(it.hasNext()) { Fund fund=(Fund)it.next(); MyFund myfund=new MyFund(); myfund.setFund_no(fund.getFundNo().toString()); myfund.setFund_name(fund.getFundName()); myfund.setPrice(fund.getPrice().floatValue()); myfund.setDisption(fund.getDescription()); myfund.setStatus(fund.getStatus()); myfund.setCreate_data(fund.getCreatedDate().toLocaleString()); alist.add(myfund); } } catch (Exception ex) { ex.printStackTrace(); } return alist; } //查询所有 public ArrayList findAll() { InitialContext ctx = null; ArrayList arr = null; ArrayList alist = new ArrayList(); Fund salesinfo = null; try { ctx = new InitialContext(); FundHome home = (FundHome) ctx.lookup("Fund"); arr = (ArrayList) home.findAll(); if(arr.isEmpty()) { System.out.println("kong"); } Iterator it = arr.iterator(); while (it.hasNext()) { Fund fund = (Fund) it.next(); MyFund myfund = new MyFund(); myfund.setFund_no(fund.getFundNo().toString()); myfund.setFund_name(fund.getFundName()); myfund.setPrice(fund.getPrice().floatValue()); myfund.setDisption(fund.getDescription()); myfund.setStatus(fund.getStatus()); myfund.setCreate_data(fund.getCreatedDate().toLocaleString()); alist.add(myfund); } System.out.println("FundSessionBean--arr=="+alist.get(0).toString()); } catch (Exception ex) { ex.printStackTrace(); } return alist; } }