Jdbc操作数据库  删

import java.sql.Connection;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.sql.SQLException;

//预处理方式

public class preperSTest {

public static void main(String[] args) throws SQLException

{

delete();

}

private static void delete() throws SQLException {

Connection conn = null;

PreparedStatement ps = null;

ResultSet rs = null;

try {

// 创建连接

conn = JdbcUtils.getConnection();

String sql = " delete from  student  where id = 1";

ps = conn.prepareStatement(sql);

int i = ps.executeUpdate();

System.out.println(i);

} finally {

JdbcUtils.release(rs, ps, conn);

}

}

}

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Jdbc操作数据库 <wbr> <wbr>删

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