Php+mysql Implement login to verify login and password is correct, MySQL login _php tutorial

Php+mysql to verify that the login and password are correct when logging on, MySQL logon name

Straight into the topic, first look at the PHP check the login name and password is the correct code:

<?php $servername = "server name"; $username = "account name"; $password = "password"; $dbname = "database name";? ><?php//session needs to be started first. Session_Start (); Determine if uname and PWD are assigned if (Isset ($_post[' uname ')) && isset ($_post[' pwd ')) {$name = $_post[' uname ']; $pwd = $_post[' PWD ']; Connect database $conn = new mysqli ($servername, $username, $password, $dbname); if ($conn->connect_error) {die ("Connection failed:". $conn->connect_error); }//Verify that the content matches the database's records. $sql = "SELECT * from Test_students_all WHERE (student_name= ' $name ') and (password= ' $pwd ')"; Executes the above SQL statement and assigns the result set to results. $result = $conn->query ($sql);  Determine if the number of records in the result set is greater than 0 if ($result->num_rows > 0) {$_session[' user_account ') = $name; Output per row data while ($row = $result->fetch_assoc ()) {echo '
' . $row [' STUDENT_NBR ']. '
' . $row [' Student_name ']. ' ('. $row [' sex ']. ')' . '
' . $row [' class ']. '
' . $row [' Major ']. '
'; //
Echo '
';  }} else {echo "does not have the information you want";} $conn->close (); }?> 
 
  
  <title>Login Check</title> 
<?php//Isset (XX) test if XX set the IF (Isset ($_session[' User_account ')) {echo ' Hello, '. $_session[' User_account '];  } else{echo ' visitors '; }//$conn->close ();?>
 

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