- 时间:2020-09-23 17:33 编辑: 来源: 阅读:
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摘要:php中将指针移动到数据集初始位置的实现代码[mysql_data_seek]
[url=http://www.1sucai.cn/w3school/php/func_mysql_query.htm]mysql_query()[/url] 一起使用,而不能用于 [url=http://www.1sucai.cn/w3school/php/func_mysql_unbuffered_query.htm]mysql_unbuffered_query()[/url]。
例子
<?php
$con = mysql_connect("localhost", "hello", "321");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db("test_db",$con);
$sql = "SELECT * from Person";
$result = mysql_query($sql,$con);
print_r(mysql_fetch_row($result));
mysql_data_seek($result,3);
print_r(mysql_fetch_row($result));
mysql_close($con);
?>
输出:
Array
(
[0] => Adams
[1] => John
[2] => London
)
Array
(
[0] => Carter
[1] => Thomas
[2] => Beijing
)