private SessionFactory sessionFactory; public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
} /**
* 通过SQL执行无返回结果的存储过程(仅限于存储过程)
*
* @param queryString
* @param params
*/
public void executeVoidProcedureSql(final String queryString, final Object[] params) throws Exception {
Session session = sessionFactory.getCurrentSession();
session.doWork(new Work() {
public void execute(Connection conn) throws SQLException {
ResultSet rs = null;
CallableStatement call = conn.prepareCall("{" + queryString + "}");
if (null != params) {
for (int i = 0; i < params.length; i++) {
call.setObject(i + 1, params[i]);
}
}
rs = call.executeQuery();
call.close();
rs.close();
}
});
} /**
* 通过存储过程查询(单结果集)
*
* @param sql
* 查询sql
* @param params
* 参数
* @param columnNum
* 返回的列数
* @return
*/
public List<Map<String, Object>> find_procedure(final String sql, final Object[] params) throws Exception {
final List<Map<String, Object>> result = new ArrayList<Map<String, Object>>();
try {
Session session = sessionFactory.getCurrentSession();
session.doWork(new Work() {
public void execute(Connection conn) throws SQLException {
CallableStatement cs = null;
ResultSet rs = null;
cs = conn.prepareCall(sql);
for (int i = 1; i <= params.length; i++) {
cs.setObject(i, params[i - 1]);// 设置参数
}
rs = cs.executeQuery();
ResultSetMetaData metaData = rs.getMetaData();
int colCount = metaData.getColumnCount();
while (rs.next()) {
Map<String, Object> map = new HashMap<String, Object>();
for (int i = 1; i <= colCount; i++) {
String colName = metaData.getColumnName(i);
map.put(colName, rs.getObject(colName));
}
result.add(map);
}
close(cs, rs);
}
});
return result;
} catch (Exception e) {
e.printStackTrace();
}
return null;
} /**
* 通过存储过程查询(多结果集)
*
* @param sql
* 查询sql
* @param params
* 参数
* @param columnNum
* 返回的列数
* @return
*/
public List<List<Map<String, Object>>> find_procedure_multi(final String sql, final Object[] params) throws Exception {
final List<List<Map<String, Object>>> result = new ArrayList<List<Map<String, Object>>>();
try {
// conn =
// SessionFactoryUtils.getDataSource(sessionFactory).getConnection();
Session session = sessionFactory.getCurrentSession();
session.doWork(new Work() {
public void execute(Connection conn) throws SQLException {
CallableStatement cs = null;
ResultSet rs = null;
cs = conn.prepareCall(sql);
for (int i = 1; i <= params.length; i++) {
cs.setObject(i, params[i - 1]);
}
boolean hadResults = cs.execute();
ResultSetMetaData metaData = null;
while (hadResults) {// 遍历结果集
List<Map<String, Object>> rsList = new ArrayList<Map<String, Object>>();// 用于装该结果集的内容
rs = cs.getResultSet();// 获取当前结果集
metaData = rs.getMetaData();
int colCount = metaData.getColumnCount();// 获取当前结果集的列数
while (rs.next()) {
Map<String, Object> map = new HashMap<String, Object>();
for (int i = 1; i <= colCount; i++) {
String colName = metaData.getColumnName(i);
map.put(colName, rs.getObject(colName));
}
rsList.add(map);
}
result.add(rsList);
close(null, rs);// 遍历完一个结果集,将其关闭
hadResults = cs.getMoreResults();// 移到下一个结果集
}
close(cs, rs);
}
});
return result;
} catch (Exception e) {
e.printStackTrace();
}
return null;
} private void close(CallableStatement cs, ResultSet rs) {
try {
if (cs != null) {
cs.close();
}
if (rs != null) {
rs.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}