php 鏈接mysql

時間 2019-11-17

標籤 php 鏈接 mysql 欄目 PHP 简体版

原文原文鏈接

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>新建網頁</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="description" content="布爾教育 http://www.itbool.com" />
</head>
    <body>
       <?php
           $link=@mysql_pconnect('127.0.0.1','root','');
           mysql_select_db('mysql',$link);
           $query="SELECT Host,User FROM user";
           $result=mysql_query($query,$link);
           //獲取的字段
           while($filed=mysql_fetch_field($result)){
               echo $filed->name."<br>";

           }
           echo mysql_affected_rows($link);
           //獲取行
           while($row=mysql_fetch_row($result)){
               echo $row[0].$row[1].'<br>';
           }

           //$query="CREATE DATABASE my_db";
           /*$sql = "CREATE TABLE Persons (
               FirstName varchar(15),
               LastName varchar(15),
               Age int
           )";*/
           /*$sql = "CREATE TABLE Persons (personID int NOT NULL AUTO_INCREMENT,
       PRIMARY KEY(personID),
       FirstName varchar(15),
       LastName varchar(15),
       Age int
       )"; 設置主鍵
           */

       /*mysql_query("INSERT INTO Persons (FirstName, LastName, Age)
VALUES ('Peter', 'Griffin', '35')");*/

       /*$result = mysql_query("SELECT * FROM Persons");

while($row = mysql_fetch_array($result))
{
echo $row['FirstName'] . " " . $row['LastName'];
echo "<br />";
}

       */
/*查找
   $result = mysql_query("SELECT * FROM Persons
WHERE FirstName='Peter'");

while($row = mysql_fetch_array($result))
{
echo $row['FirstName'] . " " . $row['LastName'];
echo "<br />";
}

*/
           mysql_close($link);
               ?>
    </body>
</html>php