質問編集履歴
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PHP文を追加
title
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File without changes
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body
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@@ -2,4 +2,43 @@
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2
2
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____________________________________
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3
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Fatal error: Uncaught Error: Call to a member function fetch_fields() on boolean in C:\xampp\htdocs\Weight.php:24 Stack trace: #0 C:\xampp\htdocs\Weight.php(54): db_output(false) #1 {main} thrown in C:\xampp\htdocs\Weight.php on line 24
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4
4
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_____
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5
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-
上記のようなエラー文が出ます。
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5
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+
上記のようなエラー文が出ます。
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6
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+
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7
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PHP文です
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8
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________
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9
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function db_output($result)
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10
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{
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11
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echo "<table>\n\t<tr>";
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12
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$info = $result->fetch_fields();
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13
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foreach($info as $f)
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14
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{
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15
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echo "<th>".$f->name."</th>";
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16
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}
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17
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echo "</tr>\n";
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18
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19
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while($kekka=$result->fetch_array(MYSQLI_ASSOC))
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20
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{
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21
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echo "\t<tr>";
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22
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foreach($kekka as $f)
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23
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{
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24
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echo "<td>{$f}</td>";
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25
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}
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26
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echo"</tr>\n";
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27
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}
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28
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echo"</table>\n";
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29
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}
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30
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31
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$mysqli = new mysqli('localhost');
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32
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if($mysqli->connect_error)
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33
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{
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34
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print('<p>データベースへの接続に失敗しました。</p>'.$mysqli->connect_error);
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35
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exit();
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36
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}
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37
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$mysqli->select_db("yoshida");
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38
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$mysqli->set_charset("utf-8");
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39
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40
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$sql = "select * from weight";
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41
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$result = $mysqli->query($sql);
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42
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db_output($result);
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43
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44
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_______
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