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create or replace procedure updateProject is
begin
update project p set p.total_intend_gather =
(select sum(ig.gather_sum) from intend_gather ig where ig.project_number=p.project_number);
update project p set p.total_actual_gather =
(select sum(ag.gahter_sum) from actual_gather ag where ag.project_number=p.project_number);
update project p set p.total_invoice=
(select sum(invoice.invoice_sum) from invoice invoice
where invoice.intend_id in
(select ig.intend_id from intend_gather ig where ig.project_number=p.project_number));
end updateProject;
Session session = this.getSession();
Transaction tx =null;
try {
tx = session.beginTransaction();
Connection con = session.connection();
String procedure = "{call updateproject() }";
CallableStatement cstmt = con.prepareCall(procedure);
cstmt.executeUpdate();
tx.commit();
} catch (Exception e) {
tx.rollback();
}
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String[] ips = ipValue.split("\\.");
String binaryVal = "";
for (int i = 0; i < ips.length; i++)
{
String binaryStr = Integer.toBinaryString(Integer.parseInt(ips[i]));
Integer times = 8 - binaryStr.length();
......
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System.out.println(2|0); //0010 0000 =>0010 = 2
System.out.println(2|1); //0010 0001 =>0011 = 3
System.out.println(3|2); //0011 0010 =>0011 = 3
System.out.println(3&2); //0011 0010 =>0010 = 2
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