调用Oracle中的存储过程

调用Oracle中的存储过程

/**
 首先在数据库中创建存储过程(如:pl_pro),代码如下:
 create or replace procedure pl_emp(pl_name varchar2,salary number) is
begin
  --根据用户名去修改职工工资
  update emp set sal=salary where ename=pl_name;
end pl_pro;
/
*/
package testOraclePLSQL;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;

/**
 * 利用JDBC调用Oracle存储过程
 * 
 * @author Nilux
 * 
 */
public class GetPLSQL {

	// test
	public static void main(String[] args) {
		getConn();
		execPLSQL();
	}

	static Connection conn;

	// 获得连接
	public static void getConn() {
		FileInputStream fis = null;
		// 读取Properties的配置
		try {
			fis = new FileInputStream(new File(
					"src/testOraclePLSQL/db.properties"));
			Properties properties = new Properties();
			properties.load(fis);
			String url = properties.getProperty("db.url");
			String user = properties.getProperty("db.user");
			String password = properties.getProperty("db.password");
			// 加载Oracle驱动
			Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
			// 得到数据库连接
			conn = DriverManager.getConnection(url, user, password);

		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}

	}

	// ................................//
	public static void execPLSQL() {
		CallableStatement cs = null;
		try {
			String sql = "{call pl_emp(?,?)}";
			// 创建CallableStatement
			cs = conn.prepareCall(sql);
			// 给?赋相应的值
			cs.setString(1, "SMITH");
			cs.setInt(2, 1800);
			// 执行
			cs.execute();
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (conn != null) {
				try {
					// 关闭连接
					cs.close();
					conn.close();
				} catch (SQLException e1) {
					e1.printStackTrace();
				}
			}
		}
	}
}