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mysqli_data_seek (PHP 5) mysqli_data_seek (no version information, might be only in CVS) result->data_seek -- Adjusts the result pointer to an arbitary row in the result DescriptionProcedural style: bool mysqli_data_seek ( mysqli_result result, int offset ) Object oriented style (method): class mysqli_result { bool data_seek ( int offset ) }
The mysqli_data_seek() function seeks to an arbitrary result pointer
specified by the offset in the result set represented by
result. The offset parameter must be between
zero and the total number of rows minus one (0..mysqli_num_rows() - 1).
返回值
如果成功则返回 TRUE，失败则返回 FALSE。
例例子 1. Object oriented style |
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
if ($result = $mysqli->query( $query)) {
$result->data_seek(399);
$row = $result->fetch_row();
printf ("City: %s Countrycode: %s\n", $row[0], $row[1]);
$result->close();
}
$mysqli->close();
?>
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例子 2. Procedural style |
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
if (!$link) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
if ($result = mysqli_query($link, $query)) {
mysqli_data_seek($result, 399);
$row = mysqli_fetch_row($result);
printf ("City: %s Countrycode: %s\n", $row[0], $row[1]);
mysqli_free_result($result);
}
mysqli_close($link);
?>
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上例将输出： City: Benin City Countrycode: NGA |
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mysqli_connect