實例解析jQuery中如何取消后續執行內容
699
2024-02-11
<?php
/* Connect to a MySQL server */
$link = mysqli_connect(
'localhost', /* The host to connect to */
'user', /* The user to connect as */
'password', /* The password to use */
'world'); /* The default table to query */
if (!$link) {
printf("Can't connect to MySQL Server. Errorcode: %sn", mysqli_connect_error());
exit;
}
/* Send a query to the server */
if ($result = mysqli_query($link, 'SELECT Name, Population FROM City ORDER BY Population DESC LIMIT 5')) {
print("Very large cities are:n");
/* Fetch the results of the query */
while( $row = mysqli_fetch_assoc($result) ){
printf("%s (%s)n", $row['Name'], $row['Population']);
}
/* Destroy the result set and free the memory used for it */
mysqli_free_result($result);
}
/* Close the connection */
mysqli_close($link);
?>
<?php
/* Connect to a MySQL server */
$mysqli = new mysqli('localhost', 'user', 'password', 'world');
if (mysqli_connect_errno()) {
printf("Can't connect to MySQL Server. Errorcode: %sn", mysqli_connect_error());
exit;
}
/* Send a query to the server */
if ($result = $mysqli->query('SELECT Name, Population FROM City ORDER BY Population DESC LIMIT 5')) {
print("Very large cities are:n");
/* Fetch the results of the query */
while( $row = $result->fetch_assoc() ){
printf("%s (%s)n", $row['Name'], $row['Population']);
}
/* Destroy the result set and free the memory used for it */
$result->close();
}
/* Close the connection */
$mysqli->close();
?>
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