Getting Started: Combined Operation of PHP and MYSQL_PHP Tutorial

, connect to database

$dbhost = localhost;
$dbuser = root; //Your mysql username
$dbpass = 123456; //Your mysql password
$dbname = data; // Your mysql library name

//Connect to local database
$GLOBALS["conn"] = mysql_connect($dbhost,$dbuser,$dbpass);

//Open the database
mysql_select_db($dbname,$GLOBALS["conn"]);

?>

2. Read the value of a certain field in the database

//Read a column of data
$sql="select * from ec_admin";
$result = mysql_query($sql,$GLOBALS["conn"]);

printf("Username: %s
", mysql_result($result,3,"UserName"));
printf("Password: %s
", mysql_result($result,3,"UserPass"));

?>

3, insert a certain piece of data

$sql="insert into ec_admin(UserName,UserPass) values(liugongxun2,jakemary2)";
$result=mysql_query($sql,$GLOBALS["conn"])or die(mysql_error());

?>

4, while loop

$sql="select * from ec_admin";
$result = mysql_query($sql,$GLOBALS["conn"]);
while($myrow = mysql_fetch_row($result))
{
printf("Username %s %s password
",$myrow[1],$myrow[2]);
}

?>

5,do while loop

$sql="select * from ec_admin";
$result = mysql_query($sql,$GLOBALS["conn"]);
if($myrow = mysql_fetch_array($result))
{
do
{
printf("Username %s %spassword
",$myrow["UserName"],$myrow["UserPass"]);
}while($myrow = mysql_fetch_array($result));
}
?>

6, determine whether the form is submitted

if ($submit)

{}

?>

http://www.bkjia.com/PHPjc/531667.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/531667.htmlTechArticle, connect to the database?php $dbhost = localhost; $dbuser = root; //Your mysql username $dbpass = 123456; //Your mysql password $dbname = data; //Your mysql library name //Connect to the local database...