Question

我写了以下内容来从单选按钮（var1）读取数据和一些复选框（var2）

   require('config.php');

  $con = mysql_connect("localhost", $db_username, $db_password);
    if (!$con)
    {
      die('Could not connect: ' . mysql_error());
    }
    mysql_select_db($db_name, $con);

  $var1 = $_GET['var1'];
  $var1 = mysql_real_escape_string( $var1 );
  $var2 = $_GET['var2'];
  $var2 = mysql_real_escape_string( $var2 );  

  $running_total = 0;
  $last_update = "SELECT * FROM $db_tablename ORDER BY id DESC LIMIT 1";
  $result = mysql_query($last_update);

 $insert_query = "INSERT INTO $db_tablename (var1, var2) ";
  $insert_query .= sprintf( "VALUES('%s', '%s')", $var1, $var2);

  $insert_result = mysql_query($insert_query);
  if(!$insert_result) {
    die('insert query failed' . mysql_error());
  }

  mysql_close($con)

输入html看起来像......

<input type="radio" name="var1" value="value1">Test 1</input>
<input type="radio" name="var1" value="value2">Test 2</input>
<input type="radio" name="var1" value="value3">Test 3</input>
<input type="radio" name="var1" value="value4">Test 4</input>

<input type="checkbox" name="var2" value="checkbox1">CB 1</input>
<input type="checkbox" name="var2" value="checkbox2">CB 1</input>
<input type="checkbox" name="var2" value="checkbox3">CB 1</input>
<input type="checkbox" name="var2" value="checkbox4">CB 1</input>

一切都按预期工作，但由于var2允许选择多个复选框，我想保存多个值。我意识到我需要将其作为一个数组来完成，但我无法解决它。

任何人都可以帮助或找到他们可以指向我的解决方案或示例吗？

Answer 1

var2[]为name并将结果视为

foreach($_POST['var2'] as $checkedItem)
{
    echo $checkedItem;
}

Answer 2

html： `

<input type="radio" name="var1" value="value1">Test 1</input>
<input type="radio" name="var1" value="value2">Test 2</input>

<input type="checkbox" name="var2[]" value="check" /> CB 1
<input type="checkbox" name="var2[]" value="check" /> CB 2

`

和SQL：

Array $_POST['var2'] contains the checkboxes.

Answer 3

将var1的名称更改为“var1 []”，并将var2的名称更改为“var2 []”...

 $var1 = $_GET['var1'];
 $var2 = $_GET['var2'];
 echo count($var1);
 echo count($var2);

gl mf

PHP和SQL保存复选框为数组

3 个答案: