1.连接数据库
mysql -u root -p
2.显示有几个数据库
show databses
3.创建数据库
<?php
$con = mysql_connect ( "localhost", "root", "a76d290e04" );
if (! $con) {
die ( 'Could not connect: ' . mysql_error () );
}
if (! $con) {
die ( 'Could not connect: ' . mysql_error () );
}
if (mysql_query ( "CREATE DATABASE my_db", $con )) {
echo "Database created";
} else {
echo "Error creating database: " . mysql_error ();
}
mysql_select_db ( "my_db", $con );
$sql = "CREATE TABLE Persons
(
FirstName varchar(15),
LastName varchar(15),
Age int
)";
mysql_query ( $sql, $con );
mysql_close ( $con );
?><body>
<?php
$con = mysql_connect ( "localhost", "root", "a76d290e04" );
if (! $con) {
die ( 'Could not connect: ' . mysql_error () );
}
if (! $con) {
die ( 'Could not connect: ' . mysql_error () );
}
mysql_select_db ( "my_db", $con );
$sql = "INSERT INTO Persons (FirstName, LastName, Age) VALUES ('$_POST[firstname]','$_POST[lastname]','$_POST[age]')";
if (! mysql_query ( $sql, $con )) {
die ( 'Error: ' . mysql_error () );
}
echo "1 record added";
mysql_close ( $con );
?>
<form action="index.php" method="post">Firstname: <input type="text"
name="firstname" /> Lastname: <input type="text" name="lastname" />
Age: <input type="text" name="age" /> <input type="submit" /></form>
</body>
<?php
$con = mysql_connect ( "localhost", "root", "a76d290e04" );
if (! $con) {
die ( 'Could not connect: ' . mysql_error () );
}
if (! $con) {
die ( 'Could not connect: ' . mysql_error () );
}
mysql_select_db ( "my_db", $con );
$result = mysql_query("SELECT * FROM Persons");
while ( $row = mysql_fetch_array ( $result ) ) {
echo $row ['FirstName'] . " " . $row ['LastName'];
echo "<br />";
}
mysql_close ( $con );
?>原文：http://blog.csdn.net/hellochenlian/article/details/43852813