PHP &MySQL删除多行脚本问题 [英] PHP & MySQL deleting multiple rows script problem

问题描述

当用户单击删除按钮时，我试图一次从两个不同的表中删除两个表行，但由于某种原因，我无法删除表行，有人可以帮助我找出我的表有什么问题吗?脚本?谢谢

I'm trying to delete two tables rows from two different tables at once when a user clicks the delete button, but for some reason I cant get the table rows to delete can some one help me figure out what is wrong with my script? Thanks

这是 MySQL 表.

Here is the MySQL tables.

CREATE TABLE cases (
id INT UNSIGNED NOT NULL AUTO_INCREMENT,
file VARCHAR(255) NOT NULL,
case VARCHAR(255) NOT NULL,
name VARCHAR(255) NOT NULL,
PRIMARY KEY (id)
);

CREATE TABLE users_cases (
id INT UNSIGNED NOT NULL AUTO_INCREMENT,
cases_id INT UNSIGNED NOT NULL,
user_id INT UNSIGNED NOT NULL,
PRIMARY KEY (id)
);

这是 PHP &MySQL 脚本.

Here is the PHP & MySQL script.

if(isset($_POST['delete_case'])) {

$cases_ids = array();

$mysqli = mysqli_connect("localhost", "root", "", "sitename");
$dbc = mysqli_query($mysqli,"SELECT cases.*, users_cases.* FROM cases INNER JOIN users_cases ON users_cases.cases_id = cases.id WHERE users_cases.user_id='$user_id'");

if (!$dbc) {
    print mysqli_error($mysqli);
}  else {
    while($row = mysqli_fetch_array($dbc)){ 
        $cases_ids[] = $row["cases_id"];
    }
}

foreach($_POST['delete_id'] as $di) {
    if(in_array($di, $cases_ids)) {
        $mysqli = mysqli_connect("localhost", "root", "", "sitename");
        $dbc = mysqli_query($mysqli,"DELETE FROM users_cases WHERE cases_id = '$delete_id'");

        $dbc2 = mysqli_query($mysqli,"DELETE FROM cases WHERE id = '$delete_id'");
    }

}

}

这是 XHTML.

<li>
<input type="text" name="file[]" size="25" />
<input type="text" name="case[]" size="25" />
<input type="text" name="name[]" size="25" />
<input type="hidden" name="delete_id" value="' . $row['cases_id'] . '" />
</li>

<li>
<input type="text" name="file[]" size="25" />
<input type="text" name="case[]" size="25" />
<input type="text" name="name[]" size="25" />
<input type="hidden" name="delete_id" value="' . $row['cases_id'] . '" />
</li>

<li>
<input type="text" name="file[]" size="25" />
<input type="text" name="case[]" size="25" />
<input type="text" name="name[]" size="25" />
<input type="hidden" name="delete_id" value="' . $row['cases_id'] . '" />
</li>

推荐答案

也许我在这里弄错了，您将其他所有表单元素都设置为要放入数组中，除了 delete_id.delete_id 应该是这样形式的数组吗?

Maybe I'm mistaken here, you set every other form element to be put into an array EXCEPT delete_id. Is delete_id supposed to be an array in the form like so?

<li>
    <input type="text" name="file[]" size="25" />
    <input type="text" name="case[]" size="25" />
    <input type="text" name="name[]" size="25" />
    <input type="hidden" name="delete_id[]" value="' . $row['cases_id'] . '" />
</li>

<li>
    <input type="text" name="file[]" size="25" />
    <input type="text" name="case[]" size="25" />
    <input type="text" name="name[]" size="25" />
    <input type="hidden" name="delete_id[]" value="' . $row['cases_id'] . '" />
</li>

<li>
    <input type="text" name="file[]" size="25" />
    <input type="text" name="case[]" size="25" />
    <input type="text" name="name[]" size="25" />
    <input type="hidden" name="delete_id[]" value="' . $row['cases_id'] . '" />
</li>

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