PHP代码:从数据表里塞选出重复的数据
WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB
Release: 2016-06-21 09:00:02
Original
1116 people have browsed it
mysql_connect('localhost','',''); //添加相应的mysql主机名,用户名,密码
mysql_select_db(''); //添加相应的mysql的数据库名
$sql = "SELECT * FROM ''"; //添加相应的数据表的名字
$query = mysql_query($sql);
$i = 0;
while($result = mysql_fetch_array($query))
{
$sqlstr = "select * from smsorderinfo where ordermobile = '".$result['ordermobile']."' and itemkind = '".$result['itemkind']."'";
//echo "ordermobile = ".$result['ordermobile']." itemkind = ".$result['itemkind']."\n";
//echo "sqlstr = ".$sqlstr."\n";
if ($query1 = mysql_query($sqlstr))
{
//echo "成功\n";
while ($result1 = mysql_fetch_array($query1))
{
if ($result['id'] != $result1['id'])
{
echo "发现重复: id1 = ".$result['id']." id2 = ".$result1['id']."\n";
//else echo "######################: id1 = ".$result['id']." id2 = ".$result1['id']."\n";
$sqlstr2 = "delete FROM `smsorderinfo` WHERE id = '".$result['id']."'";
//echo $sqlstr2;
if(mysql_query($sqlstr2))
{
echo "删除成功!\n";
}
else
echo "删除失败!";
}
}
}
//$arry[] = $result['ordermobile'].$result['itemkind'];
//echo $result['zuhe']."
";
$i++;
}
echo $i;
?>
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
-
2024-10-22 09:46:29
-
2024-10-13 13:53:41
-
2024-10-12 12:15:51
-
2024-10-11 22:47:31
-
2024-10-11 19:36:51
-
2024-10-11 15:50:41
-
2024-10-11 15:07:41
-
2024-10-11 14:21:21
-
2024-10-11 12:59:11
-
2024-10-11 12:17:31