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Aktualisieren der SQL-Datenbank mit Kontrollkästchenwerten

Ich habe eine wirklich hackige Methode hinzugefügt, um das Update durchzuführen. Sie müssen sich vor SQL Injection und anderen schlechten Dingen hüten, wenn Sie post verwenden ... Stellen Sie sicher, dass Sie Ihre Daten immer validieren und bereinigen. Der "Hacky"-Weg funktioniert, weil wir mit ganzzahligen Werten arbeiten und diese leicht zu bereinigen sind.

Screenshot:

Das ist meine Tabelle... Ich habe sie wegen Stackoverflow so genannt...

+----+-------+-------+-------+-------+-------+-------+-------+-------+
| id | week1 | week2 | week3 | week4 | week5 | week6 | week7 | week8 |
+----+-------+-------+-------+-------+-------+-------+-------+-------+
|  1 |       |       |       |       |       |       |       |       |
|  2 | 1     |       |       |       |       |       |       |       |
|  3 | 1     |       | 1     |       |       |       |       |       |
|  4 | 1     |       | 1     |       | 1     |       |       |       |
|  5 | 1     |       | 1     |       | 1     |       | 1     |       |
+----+-------+-------+-------+-------+-------+-------+-------+-------+

Dies ist meine PHP-Datei .... (stecken Sie sie in ein leeres PHP-Dokument, um sie auszuführen, sie ist eigenständig, abgesehen davon, dass Sie die DB-Verbindung und Abfrage ändern)

<?php 
$mysqli = new mysqli("localhost", "root", "password", "test"); 

if (!empty($_POST)) {
   print "<pre>POST VARS: \n".print_r($_POST,true)."</pre>";

   foreach($_POST as $i => $data) 
   { 
      if (substr($i,0,3)=='row' && is_numeric(substr($i,3)))
      {
         $row_id = substr($i,3);  
         $data = array_flip($data); 
         $values = array(); 

         for ($x=1; $x<9; $x++) {
            $values[] = "week$x = ". ((isset($data[$x])) ? '1' : '0');  
         }   

         $stmt = "\nupdate so ".
                 "\n  set ".implode(", \n      ",$values).
                 "\n  where id = $row_id; \n"; 

         $update = $mysqli->query($stmt); 
         if ($update) { print "Row $row_id updated successfully.<br/>"; } 
      }
      print "<br/>"; 
   }
}
$result = $mysqli->query("select * from so"); 

$mysqli->close();
?>

<form method="post" id="updating" action="<?php $_PHP_SELF ?>"> 
   <?php
   while($row = $result->fetch_object())
   {

      $count = 1;

      print "<div style='border:1px solid black; display:inline-block;'>\n";
      print "Row ".$row->id."<br/>\n"; 
      while($count < 9) 
      {
         $week = "week$count";

         $checkvalue = $row->{$week};
         ?>
         Week<?php echo $count ?> <input type="checkbox" id="Week<?php echo$count;?>" name="row<?php echo $row->id 
         ?>[]" value="<?php echo $count;?>" <?php if($checkvalue==1){
         ?>  checked="checked" <?php } ?> />&nbsp;&nbsp;&nbsp;
         <?php   
         $count++; 
      }
      print "</div><br/><br/>\n\n\n"; 
   }
   ?>
        <input name="update" type="submit" id="update" value="Update">
    </form>
"; foreach($_POST as $i => $data) { if (substr($i,0,3)=='row' &&is_numeric(substr($i,3))) { $row_id =substr($i, 3); $daten =array_flip($daten); $werte =array(); for ($x=1; $x<9; $x++) { $values[] ="week$x =". ((isset($data[$x])) ? '1' :'0'); } $stmt ="\nso aktualisieren". "\n set ".implode(", \n ",$values). "\n wobei id =$row_id; \n"; $update =$mysqli->query($stmt); if ($update) { print "Zeile $row_id erfolgreich aktualisiert.
"; } } print "
"; }}$result =$mysqli->query("select * from so"); $mysqli->close();?>
fetch_object()) { $count =1; print "
\n"; print "Zeile ".$row->id."
\n"; while($count <9) { $week ="week$count"; $checkvalue =$row->{$week}; ?> Woche geprüft="geprüft" />   

\n\n\n"; } ?>

Dies ist der $_POST nach Absenden:

POST VARS: 
Array
(
    [row2] => Array
        (
            [0] => 1
        )

    [row3] => Array
        (
            [0] => 1
            [1] => 3
        )

    [row4] => Array
        (
            [0] => 1
            [1] => 3
            [2] => 5
        )

    [row5] => Array
        (
            [0] => 1
            [1] => 3
            [2] => 5
            [3] => 7
        )

    [update] => Update
)

Meine "Quelle anzeigen" des Formulars:

<form method="post" id="updating" action=""> 
   <div style='border:1px solid black; display:inline-block;'>
Row 1<br/>
         Week1 <input type="checkbox" id="Week1" name="row1[]" value="1"  />&nbsp;&nbsp;&nbsp;
                  Week2 <input type="checkbox" id="Week2" name="row1[]" value="2"  />&nbsp;&nbsp;&nbsp;
                  Week3 <input type="checkbox" id="Week3" name="row1[]" value="3"  />&nbsp;&nbsp;&nbsp;
                  Week4 <input type="checkbox" id="Week4" name="row1[]" value="4"  />&nbsp;&nbsp;&nbsp;
                  Week5 <input type="checkbox" id="Week5" name="row1[]" value="5"  />&nbsp;&nbsp;&nbsp;
                  Week6 <input type="checkbox" id="Week6" name="row1[]" value="6"  />&nbsp;&nbsp;&nbsp;
                  Week7 <input type="checkbox" id="Week7" name="row1[]" value="7"  />&nbsp;&nbsp;&nbsp;
                  Week8 <input type="checkbox" id="Week8" name="row1[]" value="8"  />&nbsp;&nbsp;&nbsp;
         </div><br/><br/>


<div style='border:1px solid black; display:inline-block;'>
Row 2<br/>
         Week1 <input type="checkbox" id="Week1" name="row2[]" value="1"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week2 <input type="checkbox" id="Week2" name="row2[]" value="2"  />&nbsp;&nbsp;&nbsp;
                  Week3 <input type="checkbox" id="Week3" name="row2[]" value="3"  />&nbsp;&nbsp;&nbsp;
                  Week4 <input type="checkbox" id="Week4" name="row2[]" value="4"  />&nbsp;&nbsp;&nbsp;
                  Week5 <input type="checkbox" id="Week5" name="row2[]" value="5"  />&nbsp;&nbsp;&nbsp;
                  Week6 <input type="checkbox" id="Week6" name="row2[]" value="6"  />&nbsp;&nbsp;&nbsp;
                  Week7 <input type="checkbox" id="Week7" name="row2[]" value="7"  />&nbsp;&nbsp;&nbsp;
                  Week8 <input type="checkbox" id="Week8" name="row2[]" value="8"  />&nbsp;&nbsp;&nbsp;
         </div><br/><br/>


<div style='border:1px solid black; display:inline-block;'>
Row 3<br/>
         Week1 <input type="checkbox" id="Week1" name="row3[]" value="1"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week2 <input type="checkbox" id="Week2" name="row3[]" value="2"  />&nbsp;&nbsp;&nbsp;
                  Week3 <input type="checkbox" id="Week3" name="row3[]" value="3"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week4 <input type="checkbox" id="Week4" name="row3[]" value="4"  />&nbsp;&nbsp;&nbsp;
                  Week5 <input type="checkbox" id="Week5" name="row3[]" value="5"  />&nbsp;&nbsp;&nbsp;
                  Week6 <input type="checkbox" id="Week6" name="row3[]" value="6"  />&nbsp;&nbsp;&nbsp;
                  Week7 <input type="checkbox" id="Week7" name="row3[]" value="7"  />&nbsp;&nbsp;&nbsp;
                  Week8 <input type="checkbox" id="Week8" name="row3[]" value="8"  />&nbsp;&nbsp;&nbsp;
         </div><br/><br/>


<div style='border:1px solid black; display:inline-block;'>
Row 4<br/>
         Week1 <input type="checkbox" id="Week1" name="row4[]" value="1"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week2 <input type="checkbox" id="Week2" name="row4[]" value="2"  />&nbsp;&nbsp;&nbsp;
                  Week3 <input type="checkbox" id="Week3" name="row4[]" value="3"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week4 <input type="checkbox" id="Week4" name="row4[]" value="4"  />&nbsp;&nbsp;&nbsp;
                  Week5 <input type="checkbox" id="Week5" name="row4[]" value="5"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week6 <input type="checkbox" id="Week6" name="row4[]" value="6"  />&nbsp;&nbsp;&nbsp;
                  Week7 <input type="checkbox" id="Week7" name="row4[]" value="7"  />&nbsp;&nbsp;&nbsp;
                  Week8 <input type="checkbox" id="Week8" name="row4[]" value="8"  />&nbsp;&nbsp;&nbsp;
         </div><br/><br/>


<div style='border:1px solid black; display:inline-block;'>
Row 5<br/>
         Week1 <input type="checkbox" id="Week1" name="row5[]" value="1"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week2 <input type="checkbox" id="Week2" name="row5[]" value="2"  />&nbsp;&nbsp;&nbsp;
                  Week3 <input type="checkbox" id="Week3" name="row5[]" value="3"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week4 <input type="checkbox" id="Week4" name="row5[]" value="4"  />&nbsp;&nbsp;&nbsp;
                  Week5 <input type="checkbox" id="Week5" name="row5[]" value="5"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week6 <input type="checkbox" id="Week6" name="row5[]" value="6"  />&nbsp;&nbsp;&nbsp;
                  Week7 <input type="checkbox" id="Week7" name="row5[]" value="7"   checked="checked"  />&nbsp;&nbsp;&nbsp;
                  Week8 <input type="checkbox" id="Week8" name="row5[]" value="8"  />&nbsp;&nbsp;&nbsp;
         </div><br/><br/>


        <input name="update" type="submit" id="update" value="Update">
    </form>

bearbeiten
Ich bin auf diese Antwort zurückgekommen, um auf etwas zu verweisen, und mir ist gerade aufgefallen, dass ich ID wiederverwendet habe Werte für die Kontrollkästchen. Es war kein Problem in dieser Situation, aber es ist immer eine schlechte Übung. Jedes Kontrollkästchen sollte eine ID haben, die auf der Seite eindeutig ist. Also .... es sollte eigentlich id="row1week1" sein , id="row1week2" ... id="row8week1" ... id="row8week8" .