本文出自 “古道西风 ” 博客，请务必保留此出处http://hzw2312.blog.51cto.com/2590340/748363
package com.boxun.crm.util;
import java.sql.CallableStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
public class DAOUtil {
private static DAOUtil instance = null;
private static String CONFIG_FILE_LOCATION = "/hibernate.cfg.xml";
private static final ThreadLocal threadLocal = new ThreadLocal();
private static final Configuration cfg = new Configuration();
private static SessionFactory sessionFactory = null;
public synchronized static DAOUtil getInstance()
{
if (instance == null) {
instance = new DAOUtil();
try {
cfg.configure(CONFIG_FILE_LOCATION);
sessionFactory = cfg.buildSessionFactory();
} catch (HibernateException e) {
e.printStackTrace();
}
}
return instance;
}
public Session getSession() {
Session session = (Session) threadLocal.get();
try {
if ((session == null) || (!session.isOpen())) {
session = sessionFactory.openSession();
threadLocal.set(session);
}
} catch (HibernateException e) {
e.printStackTrace();
}
return session;
}
public void closeSession() {
Session session = (Session) threadLocal.get();
threadLocal.set(null);
if ((session != null) && (session.isOpen())) {
session.flush();
session.close();
}
}
private String getSqlStr(String fname, int size) {
StringBuffer sql = new StringBuffer();
//String call="{? call pro(?,?,?)}";
sql.append("{ ? = call ");
sql.append(fname);
sql.append("(");
for (int i = 0; i < size; i++) {
sql.append("?");
if (i < size - 1) {
sql.append(",");
}
}
sql.append(") }");
return sql.toString();
}
private String formatSqlStr(String sql, ArrayList params) {
if ((params == null) || (params.size() == 0))
return sql;
for (int i = 0; i < params.size(); i++) {
sql = sql.replaceFirst("//?", String.valueOf(params.get(i)));
}
return sql;
}
@SuppressWarnings("deprecation")
public int executeByFun(Session session, String fname, List params)
throws HibernateException, SQLException {
String sql = getSqlStr(fname, params.size());
int rval = -100;
try {
if (session.isConnected()) {
CallableStatement call = session.connection().prepareCall(sql);
call.registerOutParameter(1, 4);
int i = 0;
for (int j = 2; i < params.size(); j++) {
call.setObject(j, params.get(i));
i++;
}
if (!call.execute()) {
rval = call.getInt(1);
}
call.close();
}
} catch (Exception ex) {
ex.printStackTrace();
}
return rval;
}
public int executeByFun(String fname, List params)
throws HibernateException, SQLException {
String sql = getSqlStr(fname, params.size());
int rval = -100;
try {
Session session = DAOUtil.getInstance().getSession();
if (session.isConnected()) {
CallableStatement call = session.connection().prepareCall(sql);
call.registerOutParameter(1, 4);
int i = 0;
for (int j = 2; i < params.size(); j++) {
call.setObject(j, params.get(i));
i++;
}
if (!call.execute()) {
rval = call.getInt(1);
}
call.close();
}
} finally {
closeSession();
}
return rval;
}
public double executeByFunDouble(String fname, ArrayList params)
throws HibernateException, SQLException {
String sql = getSqlStr(fname, params.size());
double rval = -100.0D;
try {
Session session = DAOUtil.getInstance().getSession();
if (session.isConnected()) {
CallableStatement call = session.connection().prepareCall(sql);
call.registerOutParameter(1, 8);
int i = 0;
for (int j = 2; i < params.size(); j++) {
call.setObject(j, params.get(i));
i++;
}
if (!call.execute()) {
rval = call.getDouble(1);
}
call.close();
}
} finally {
closeSession();
}
return rval;
}
public int executeBySql(String sql, ArrayList params)
throws HibernateException, SQLException {
Transaction tran = null;
try {
Session session = DAOUtil.getInstance().getSession();
if (session.isConnected()) {
Query query = session.createSQLQuery(sql);
for (int i = 0; i < params.size(); i++)
query.setParameter(i, params.get(i));
tran = session.beginTransaction();
int rval = query.executeUpdate();
tran.commit();
return rval > 0 ? 0 : -100;
}
} finally {
closeSession();
}
return -100;
}
public double executeBySqlDouble(String sql, ArrayList params)
throws HibernateException, SQLException {
Transaction tran = null;
double rval = 0.0D;
List list = null;
try {
Session session = DAOUtil.getInstance().getSession();
if (session.isConnected()) {
Query query = session.createSQLQuery(sql);
for (int i = 0; i < params.size(); i++)
query.setParameter(i, params.get(i));
tran = session.beginTransaction();
list = query.list();
if (list != null && list.size() > 0) {
rval = Double.parseDouble(list.get(0)==null ? 0.0 + ""
: list.get(0) + "");
}
tran.commit();
}
} finally {
closeSession();
}
return rval;
}
public List getResultByFun(String fname, ArrayList params)
throws HibernateException, SQLException {
String sql = getSqlStr(fname, params.size());
List result = null;
try {
Session session = DAOUtil.getInstance().getSession();
if (session.isConnected()) {
System.out.println(session.connection().prepareCall(sql));
CallableStatement call = session.connection().prepareCall(sql);
call.registerOutParameter(1, -10);
for (int i = 0, j = 2; i < params.size(); j++) {
call.setObject(j, params.get(i));
i++;
}
if (!call.execute()) {
ResultSet rs = (ResultSet) call.getObject(1);
ResultSetMetaData rsmd = rs.getMetaData();
String[] colname = new String[rsmd.getColumnCount()];
for (int j = 1, i = 0; i < colname.length; j++) {
colname[i] = rsmd.getColumnName(j);
i++;
}
result = new ArrayList();
while (rs.next()) {
Map row = new HashMap();
for (int i = 0; i < colname.length; i++)
row.put(colname[i], rs.getObject(colname[i]));
result.add(row);
}
rs.close();
}
call.close();
}
} finally {
closeSession();
}
return result;
}
public String getResultByFunString(String fname, ArrayList params)
throws HibernateException, SQLException {
String sql = getSqlStr(fname, params.size());
String str = "";
try {
Session session = DAOUtil.getInstance().getSession();
if (session.isConnected()) {
CallableStatement call = session.connection().prepareCall(sql);
call.registerOutParameter(1, 12);
for (int i = 0, j = 2; i < params.size(); j++) {
call.setObject(j, params.get(i));
i++;
}
if (!call.execute()) {
str = String.valueOf(call.getObject(1));
}
call.close();
}
} finally {
closeSession();
}
return str;
}
public List getResultBySql(String sql, ArrayList params)
throws HibernateException, SQLException {
List result = null;
sql = formatSqlStr(sql, params);
try {
Session session = DAOUtil.getInstance().getSession();
if (session.isConnected()) {
Statement stat = session.connection().createStatement();
ResultSet rs = stat.executeQuery(sql);
ResultSetMetaData rsmd = rs.getMetaData();
String[] colname = new String[rsmd.getColumnCount()];
for (int j = 1, i = 0; i < colname.length; j++) {
colname[i] = rsmd.getColumnName(j);
i++;
}
result = new ArrayList();
while (rs.next()) {
Map row = new HashMap();
for (int i = 0; i < colname.length; i++)
row.put(colname[i], rs.getObject(colname[i]));
result.add(row);
}
rs.close();
stat.close();
}
} finally {
closeSession();
}
return result;
}
}
应用程序调用Function：
/**添加参数**/
ArrayList<Object> params = new ArrayList<Object>();
if((null !=wer_1 && ""!=wer_1)&&(null !=wer_2 && ""!=wer_2))
{
/**
* 古道西风
* 2011-05-23
*/
params.add(tbmeetmgr.getStoptime()); //会议开会日期
params.add(tbmeetmgr.getStarttime()); //会议开始时间
params.add(tbmeetmgr.getEndtime());//会议结束时间
params.add(ecId);//集团编号
if(tbmeetmgr.getXunhuairiqi() == null){
params.add(0); //循环日期
}else{
params.add(tbmeetmgr.getXunhuairiqi()); //循环日期
}
if(tbmeetmgr.getXunhuaimoshi() == null){
params.add(0); //循环模式
}else{
params.add(tbmeetmgr.getXunhuaimoshi()); //循环模式
}
params.add(tbmeetmgr.getHuiyimoshi()); //会议模式
}
//List<Object> list_Sel_RoomInfo=daoSql.find(sql, params); //原程序代码
List<Object> list_Sel_RoomInfo = new ArrayList<Object>();;
try {
list_Sel_RoomInfo = com.boxun.crm.util.DAOUtil.getInstance().getResultByFun
("FUN_tbmeetmgrInfo.pro_sel_tbmeetmgrinfo", params);
} catch (HibernateException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
if(null !=list_Sel_RoomInfo && list_Sel_RoomInfo.size()>0)
{
list_room_info=new ArrayList<Tbmeetroom>();
for(int i=0;i<list_Sel_RoomInfo.size();i++)
{
Map map=(HashMap)list_Sel_RoomInfo.get(i);
Tbmeetroom tbmeetroom=new Tbmeetroom();
tbmeetroom.setId(new Long(map.get("ID").toString()));
tbmeetroom.setName(new String(map.get("NAME").toString()));
list_room_info.add(tbmeetroom);
}
return list_room_info;
}
Oracle Packages(相当于java中的接口):
CREATE OR REPLACE PACKAGE FUN_tbmeetmgrInfo IS
FUNCTION pro_Sel_tbmeetmgrInfo(v_stoptime varchar2,
v_strtime varchar2,
v_endtime varchar2,
v_ecid number,
v_xunhuairiqi varchar2,
v_xunhuaimoshi number,
v_huiyimoshi number)
return sys_refcursor;
END FUN_tbmeetmgrInfo;
Oracle Package bodies(相当于java中的实现类):
CREATE OR REPLACE PACKAGE BODY FUN_tbmeetmgrInfo IS
FUNCTION pro_Sel_tbmeetmgrInfo(v_stoptime varchar2,
v_strtime varchar2,
v_endtime varchar2,
v_ecid number,
v_xunhuairiqi varchar2,
v_xunhuaimoshi number,
v_huiyimoshi number)
return sys_refcursor IS
TYPE c_time IS REF CURSOR; --创建游离标记
vrec c_time;
varInt number;
strOverSql varchar2(30);
v_months number;
out_room sys_refcursor;
begin
delete timeinfo where 11=1;
commit;
--v_Result.extend; --赋值前、必须加上
--一次性会议
if v_huiyimoshi = 1 then
open out_room for select id, name from Tbmeetroom where id in (select id from Tbmeetroom where status = 0
and id not in
(select huiyishi from tbmeetmgrinfo where to_date(v_strtime,'hh24:mi') between to_date(starttime,'hh24:mi')
and to_date(endtime,'hh24:mi') and to_date(stoptime,'yyyy-MM-dd') = to_date(v_stoptime,'yyyy-MM-dd')
and ecid = v_ecid or to_date(v_endtime,'hh24:mi') between to_date(starttime,'hh24:mi')
and to_date(endtime,'hh24:mi') and to_date(stoptime,'yyyy-MM-dd') = to_date(v_stoptime,'yyyy-MM-dd') and ecid = v_ecid )
and id not in
(select meetroomid from Tbmeetroomlock where to_date(v_stoptime||' '||v_strtime,'yyyy-mm-dd hh24:mi')
between to_date(lockstarttime,'yyyy-mm-dd hh24:mi') and to_date(lockendtime,'yyyy-mm-dd hh24:mi')
or to_date(v_stoptime||' '||v_endtime,'yyyy-mm-dd hh24:mi') between to_date(lockstarttime,'yyyy-mm-dd hh24:mi')
and to_date(lockendtime,'yyyy-mm-dd hh24:mi')));
end if;
------------------------------------------------------------------------------------------
if v_huiyimoshi = 2 then
--单周会议
if v_xunhuaimoshi = 1 then
select ceil(( to_date(v_stoptime,'yyyy-mm-dd') - next_day(to_date(to_char(sysdate,'yyyy-mm-dd'),'yyyy-mm-dd')-1, ceil(substr(v_xunhuairiqi,3)))+1 )/7) into varInt from dual;
OPEN vrec for SELECT to_char(next_day(to_date(to_char(sysdate,'yyyy-mm-dd'),'yyyy-mm-dd')-1,
ceil(substr(v_xunhuairiqi,3)))+1+(rownum-1)*7 , 'yyyy-MM-dd')
from dual connect by rownum<=varInt ;
LOOP
FETCH vrec INTO strOverSql;
exit when vrec%notfound;
dbms_output.put_line('StopTime'||strOverSql);
insert into timeInfo values(strOverSql);
commit;
end loop;
end if;
--每月
if v_xunhuaimoshi = 3 then
select ceil(months_between(to_date(v_stoptime,'yyyy-mm-dd'),
to_date(to_char(sysdate,'yyyy-mm-dd'),'yyyy-mm-dd'))) into varInt from dual;
OPEN vrec for SELECT to_char(add_months(to_date((substr(to_char(sysdate,'yyyy-mm-dd'),1,8))||(substr(v_xunhuairiqi,3,4)),'yyyy-mm-dd'),+(rownum-1)), 'yyyy-mm-dd')
from dual connect by rownum<= ceil(varInt) ;
LOOP
FETCH vrec INTO strOverSql;
exit when vrec%notfound;
dbms_output.put_line('StopTime'||strOverSql);
insert into timeInfo values(strOverSql);
commit;
end loop;
end if;
--每季度
if v_xunhuaimoshi = 4 then
select ceil((to_date(v_stoptime,'yyyy-mm-dd')-to_date(to_char(sysdate,'yyyy-mm-dd'),'yyyy-mm-dd'))/90)
into varInt from dual;
v_months := gettimebytime(ceil(substr(substr(v_xunhuairiqi,3,5),0,1)));
dbms_output.put_line('v_months:'||v_months);
OPEN vrec for SELECT to_char(add_months(to_date((substr(to_char(sysdate,'yyyy-mm-dd'),1,5))||v_months||'-'||substr(v_xunhuairiqi,5,7),'yyyy-MM-dd'),+(rownum-1)*3), 'yyyy-mm-dd')
from dual connect by rownum<= ceil(varInt);
LOOP
FETCH vrec INTO strOverSql;
exit when vrec%notfound;
dbms_output.put_line('StopTime'||strOverSql);
insert into timeInfo values(strOverSql);
commit;
end loop;
end if;
-----------------------------------------------------------------------------------------------
open out_room for select id, name from Tbmeetroom where id in (select id from Tbmeetroom where status = 0
and id not in
(select huiyishi from tbmeetmgrinfo,timeinfo where to_date(v_strtime,'hh24:mi') between to_date(starttime,'hh24:mi')
and to_date(endtime,'hh24:mi') and to_date(stoptime,'yyyy-MM-dd') = to_date(timeinfo.t_stoptime,'yyyy-MM-dd')
and ecid = v_ecid or to_date(v_endtime,'hh24:mi') between to_date(starttime,'hh24:mi')
and to_date(endtime,'hh24:mi') and to_date(stoptime,'yyyy-MM-dd') = to_date(timeinfo.t_stoptime,'yyyy-MM-dd') and ecid = v_ecid )
and id not in
(select meetroomid from Tbmeetroomlock,timeinfo where to_date(timeinfo.t_stoptime||' '||v_strtime,'yyyy-mm-dd hh24:mi')
between to_date(lockstarttime,'yyyy-mm-dd hh24:mi') and to_date(lockendtime,'yyyy-mm-dd hh24:mi')
or to_date(timeinfo.t_stoptime||' '||v_endtime,'yyyy-mm-dd hh24:mi') between to_date(lockstarttime,'yyyy-mm-dd hh24:mi')
and to_date(lockendtime,'yyyy-mm-dd hh24:mi')));
------------------------------------------------------------------------------------------
end if;
RETURN out_room;
END pro_Sel_tbmeetmgrInfo;
END FUN_tbmeetmgrInfo;