1 $db=new mysqli($dbhost,$username,$userpass,$dbdatabase); 2 if(mysqli_connect_error()){ 3 echo 'Could not connect to database.'; 4 exit; 5 } 6 7 $result=$db->query("SELECT id,name FROM user"); 8 $row=$result->fetch_row(); 这里用到的是mysqli,意思就是mysql的扩展,既...
1.最简单的方式-mysql(面向过程) <?php$con = mysql_connect("localhost","root","password");$select_db = mysql_select_db('test');if(!$select_db) {die("could not connect to the db:\n". mysql_error());}//查询代码$sql ="select * from db_table";$res = mysql_query($sql);if(!
bool mysql_close ( resource $link_identifier );如果没有指定一个资源,最后打开数据库被关闭。例子下面的例子尝试打开和关闭数据库连接:<?php $dbhost = 'localhost:3036'; $dbuser = 'guest'; $dbpass = 'guest123'; $conn = mysql_connect($dbhost, $dbuser, $dbpass); if(! $conn ) { die(...
How to Connect PHP to MySQL Here are two steps for to connect PHP and MySQL database. 1. Use Extensions to Connect PHP and MySQL Database PHP provides three extensions that you can use to: Connect PHP applications with MySQL (and MariaDB). Retrieve database server information. Manage err...
mysql_error());//诊断连接错误 } mysql_query("set names 'utf8'");//编码转化 $select_db = mysql_select_db($mysql_conf['db']); if (!$select_db) { die("could not connect to the db:\n" . mysql_error()); } $sql = "select * from user;"; $res = mysql_query($sql); if...
if(mysqli_connect_errno($db)) { echo "Failed to connect to MySQL: " . mysqli_connect_error().""; } else { $sql = 'show tables '; $result = mysqli_query($db,$sql); $rows = array(); if(!empty($result)) PowerShell {while...
if (!$mysql_conn) { die("could not connect to the database:\n" . mysql_error());//诊断连接错误 } mysql_query("set names 'utf8'");//编码转化 $select_db = mysql_select_db($mysql_conf['db']); if (!$select_db) { die("could not connect to the db:\n" . mysql_error())...
1.最简单的方式-mysql(面向过程) <?php $con = mysql_connect("localhost","root","password"); $select_db = mysql_select_db('test'); if (!$select_db) { die("could not connect to the db:\n" . mysql_error()); } //查询代码 $sql = "select * from db_table"; $res = mysql_qu...
1、PHP与mysql建立链接 php.ini加载mysql组件: extension=php_mysql.dll 前的; 去掉 extension_dir = " " 路径是否正确 PHP链接mysql函数 mysql_connect: 开启 MySQL 链接 mysql_select_db: 打开一个数据库 @和or die 隐藏错误和条件显示 mysql_connect("主机", "用户名", "密码") ...
if (!$mysql_conn) { die("could not connect to the database:\n" . mysql_error());//诊断连接错误 } mysql_query("set names 'utf8'");//编码转化 $select_db = mysql_select_db($mysql_conf['db']); if (!$select_db) { die("could not connect to the db:\n" . mysql_error())...