5月13日 PDO

<?php

//造DSN：驱动名：dbname=数据库名；host=服务器地址
$dsn = "mysql:dbname=mydb;host=localhost"

//造PDO对象
$pdo = new PDO($dsn,"root","");

//写SQL语句
$sql = select * from Info

//预处理 准备一条SQL语句
$stm = $pdo->prepare($sql);

//执行SQL语句
if($stm->execute())
{
   //1.逐行取数据
   var_dump($stm->fetch());
   //2.取所有数据
   var_dump($stm->fetchAll());
   //3.取某一列
   var_dump(fetchColumn(1));
   //4.返回对象
   var_dump($stm->fetchObject());
}
else
{
   echo "执行失败";
}










?>

<?php
$dsn = "mysql:dbname=mydb;host=localhost";
$pdo = new PDO($dsn,"root","");

$sql = "insert into Nation values(?,?)";//方法一
//$sql = "insert into Ntion values(:code,:name)";//方法二

$stm = $pdo->prepare($sql);

//给参数绑定值
$attr = array("p010","维吾尔族");//方法一
//$attr = array("code"=>"p010","name"=>"维吾尔族");//方法二

if($stm->execute($attr))
{
   echo "添加成功";
}
else
{
   echo "添加失败";
}







?>