java调存储过程 - Oracle / 基础和管理

存储过程：
create or replace procedure insert_emp
 (empid in number,
 empname in varchar2,
 empsal in number)
 as
 begin 
  insert into emp(empno,ename,sal) values(empid,empname,empsal);
 end insert_emp;

java代码：
Java code:

public class TestOracle {

public static void main(String[] args) {
Connection conn = null;
CallableStatement cs = null;

String url = "jdbc:oracle:thin:@127.0.0.1:1521:XE";
String name = "system";
String password = "123456";
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection(url,name,password);
cs = conn.prepareCall("{call insert_emp(?,?,?)}");
cs.setInt(1, 30);
cs.setString(2, "Lucy");
cs.setInt(3, 4000);
cs.execute();
System.out.println("insert ok");
} catch (Exception e) {
e.printStackTrace();
} finally{
try {
cs.close();
} catch (SQLException e) {
e.printStackTrace();
}
try {
conn.close();
} catch (SQLExceptio