展开全部
1. mysql_num_rows 可得到e69da5e887aa3231313335323631343130323136353331333337383861查询记录数<?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,$con);
echo mysql_num_rows($result);
mysql_close($con);
?>
2. mysql_affected_rows可得到更新影响的记录数<?php
$con = mysql_connect("localhost","mysql_user","mysql_pwd");
if (!$con)
{
die("Could not connect: " . mysql_error());
}
mysql_select_db("mydb");
mysql_query("DELETE FROM mytable WHERE id
$rc = mysql_affected_rows();
echo "Records deleted: " . $rc;
mysql_close($con);
?>
)
