[10]JDBC调用存储过程和插入数据后返回主键

[10]JDBC调用存储过程和插入数据后返回主键

 

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;

public class PsTest {

	/**
	 * @param args
	 * @throws SQLException
	 */
	public static void main(String[] args) throws SQLException {
		ps();
	}

	static void ps() throws SQLException {
		Connection conn = null;
		CallableStatement cs = null;//可调用Statement
		ResultSet rs = null;
		try {
			// 2.建立连接
			conn = JdbcUtils.getConnection();
			// conn = JdbcUtilsSing.getInstance().getConnection();
			// 3.创建语句

			String sql = "{ call addUser(?,?,?,?) } ";//调用存储过程
			cs = conn.prepareCall(sql);
			cs.registerOutParameter(4, Types.INTEGER);
			cs.setString(1, "ps name");
			cs.setDate(2, new java.sql.Date(System.currentTimeMillis()));
			cs.setFloat(3, 100f);

			cs.executeUpdate();

			int id = cs.getInt(4);

			System.out.println("id=" + id);
		} finally {
			JdbcUtils.free(rs, cs, conn);
		}
	}

}

 

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class OtherApi {

	/**
	 * @param args
	 * @throws SQLException
	 * @throws InterruptedException
	 */
	public static void main(String[] args) throws SQLException,
			InterruptedException {
		// int id = create();
		// System.out.println("id:" + id);
		read();
	}

	static void read() throws SQLException, InterruptedException {
		Connection conn = null;
		Statement st = null;
		ResultSet rs = null;
		try {
			// 2.建立连接
			conn = JdbcUtils.getConnection();
			// conn = JdbcUtilsSing.getInstance().getConnection();
			// 3.创建语句
			st = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
					ResultSet.CONCUR_UPDATABLE);

			// 4.执行语句
			rs = st
					.executeQuery("select id, name, money, birthday  from user where id < 5");

			// 5.处理结果
			while (rs.next()) {
				int id = rs.getInt("id");
				System.out.println("show " + id + "...");
				Thread.sleep(10000);
				System.out.println(id + "\t" + rs.getObject("name") + "\t"
						+ rs.getObject("birthday") + "\t"
						+ rs.getObject("money"));
			}
		} finally {
			JdbcUtils.free(rs, st, conn);
		}
	}

	static int create() throws SQLException {
		Connection conn = null;
		PreparedStatement ps = null;
		ResultSet rs = null;
		try {
			// 2.建立连接
			conn = JdbcUtils.getConnection();
			// conn = JdbcUtilsSing.getInstance().getConnection();
			// 3.创建语句
			String sql = "insert into user(name,birthday, money) values ('name2 gk', '1987-01-01', 400) ";
			ps = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);//返回的主键
			ps.executeUpdate();

			rs = ps.getGeneratedKeys();//返回的主键
			int id = 0;
			if (rs.next())
				id = rs.getInt(1);//返回的主键
			return id;
		} finally {
			JdbcUtils.free(rs, ps, conn);
		}
	}
}