我有一个实际上是表格的表格,表格(表格)是动态的,因此表格可以包含 10 到 300 行的任何内容,
表单表:
输入表单表的代码如下:
include("x.xxx");
$cxn = mysqli_connect($host,$user,$password,$dbname);
$query = "SELECT * FROM `inspjc` ORDER BY `scaffreq_id`";
$result = mysqli_query($cxn,$query)
or die ("Couldn't execute query.");
echo "<table align='center'><br>
<tr bgcolor='#8DB4E3'>
<th>X</th>
<th>Scaffold Req No</th>
<th>Elevation</th>
<th class='vertical'>Foundations</th>
<th class='vertical'>Ledgers</th>
<th class='vertical'>Face Brace</th>
<th class='vertical'>Plan Brace</th>
<th class='vertical'>Platforms</th>
<th class='vertical'>Mobiles</th>
<th class='vertical'>Uprights</th>
<th class='vertical'>Transoms</th>
<th class='vertical'>Transverse Braces</th>
<th class='vertical'>Ties</th>
<th class='vertical'>Safe Access</th>
<th class='vertical'>Signs</th>
<th>If Not Inspected<br>Supply a Reason</th>
</tr>";
while($row = mysqli_fetch_assoc($result))
{
extract($row);
echo "<tr>\n
<td><input type='checkbox' checked='checked' name='scaffreq_id[]' value='$scaffreq_id' /></td>\n
<td><center>$scaffreq_id</center></td>\n
<td><center>$level m</center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp1[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp2[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp3[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp4[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp5[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp6[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp7[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp8[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp9[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp10[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp11[]' value='y' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='insp12[]' value='y' /></center></td>\n
<td><center><p><input type='text' name='insp_reason[]' maxlength='255' size='45' value='$insp_reason'></p></center></td>\n
</tr>\n";
}
echo "</table><br>";
?>
所需的输出如下所示(简化):
x ID a b c d e f g
---------------------------------------------------
1 365 1 1 0 0 0 1 North Bay
1 211 1 0 1 1 1 1 South Bay
0 237 0 1 1 1 1 0 Boiler
x 表示 type='checkbox' 的输入类型,ID 表示其 ID 键。 提交时,我想将数据写入数据库。
我已经尝试了几个循环选项,但我需要循环从 php 运行而不是循环查询(这需要很长时间),尤其是选择了 300 行时。
php代码的基本开销:
$ID = $_POST[ID];
$a = $_POST[a];
$b = $_POST[b];
$c = $_POST[c];
$d = $_POST[d];
$e = $_POST[e];
$f = $_POST[f];
$g = $_POST[g];
$userData = array();
foreach ($ID as $newid)
{
$userData[] = "('" . $newid['ID'] . "',
'" . $newid['a'] . "',
'" . $newid['b'] . "',
'" . $newid['c'] . "',
'" . $newid['d'] . "',
'" . $newid['e'] . "',
'" . $newid['f'] . "',
'" . $newid['g'] . "')";
}
$query = "INSERT INTO `inspect` (`ID`,`a`,`b`,`c`,`d`,`e`,`f`,`g`) VALUES ";
$query .= implode(',',$userData);
但是,回显查询只会给我 "('0',0','0','0','0','0','0','0'),('0 '..."但确实有与所选 ID 字段相同的数据量(括号内)。
最佳答案
更新
(哇,这太难了):您将 HTML 表单中的所有输入字段定义为数组。您可以删除那些使它们成为数组的 []
,也可以在您的 insp
复选框上使用 name=insp[]
。然后使用 var_dump($_POST)
输出您的提交,您会看到如何解析数组。
或者创建一个嵌套数组。这样的事情会有所帮助:
while($row = mysqli_fetch_assoc($result)) {
extract($row);
echo "<tr>\n
<td><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][id]' /></td>\n
<td><center>{$scaffreq_id}</center></td>\n
<td><center>{$level} m</center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][a]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][b]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][c]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][d]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][e]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][f]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][g]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][h]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][i]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][j]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][k]' /></center></td>\n
<td><center><input type='checkbox' checked='checked' name='items[{$scaffreq_id}][insp][l]' /></center></td>\n
<td><center><p><input type='text' name='items[{$scaffreq_id}][reason]' maxlength='255' size='45' value='Reason{$insp_reason}'></p></center></td>\n
</tr>\n";
}
没有看到 HTML 表单代码就不容易提供帮助。但在我看来,$ID
很可能不是数组。所以使用 foreach($ID as ...)
并不好。相反,像这样构建你的字符串:
$query = "INSERT INTO `inspect` (`ID`,`a`,`b`,`c`,`d`,`e`,`f`,`g`) VALUES ";
$query .= "({$ID}, {$a}, {$b}, {$c}, {$d}, {$e}, {$f}, {$g})";
警告:
请注意,您的代码不安全且容易受到 SQL 注入(inject)攻击(请参阅 this SO Q&A)。使用 PDO prepared statements而不是 mysql()
函数!
关于php - 使用来自多个字段的多维数组插入数据,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31518956/