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php Mysqli query database method: first generate a connection through mysqli; then obtain the query results through the select statement; and finally retrieve the records through the while loop.
The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer
How does php mysqli query the database?
phpmysqli connection query data
mysqli:
<?php $code = $_POST['code']; $status = ""; $success = ""; $scookies = ""; try { $dbname="root"; $dbpass="root"; $dbhost="127.0.0.1"; $dbdatabase="mysql"; //生成一个连接 $db_connect= new mysqli($dbhost,$dbname,$dbpass,$dbdatabase); // 获取查询结果 $strsql="select * from `go_member_addmoney_record` where `code` = '$code' limit 1"; $result=$db_connect->query($strsql); // 循环取出记录 while ($row=mysqli_fetch_assoc($result)) { $status = $row['status']; $scookies = $row['scookies']; } // 释放资源 $result->close(); // 关闭连接 $db_connect->close(); if($status=="已付款"){ $success = "success"; } else{ $success = "faild"; } echo $success.";".$scookies; } catch (Exception $e){}
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