Question

我想在CodeIgniter表单中制作一些自定义错误消息。我尝试过使用

$this->form_validation->set_message('is_unique[users.username]', 'The username is already taken');

然而，我无法让它发挥作用。

编辑form_validation_lang.php文件不够好，因为is_unique 用户名已被用作用户名，电子邮件已注册邮件。

如何制作此自定义错误消息？

以下是我的代码中的代码段：

$this->form_validation->set_message('is_unique[users.username]', 'The username is already taken');

// Check if username has changed
if ($this->input->post('username') !== $user->username) {
    $this->form_validation->set_rules('username', 'Username', 'trim|required|min_length[4]|max_length[20]|is_unique[users.username]');
}

Answer 1

这样做的正确方法是传递字符串格式

$this->form_validation->set_message('is_unique', 'The %s is already taken');

因此，只有我们才能收到"This Username is already taken"或"This Email is already taken"等消息。

Answer 2

这对我有用

$this->form_validation->set_message('is_unique', 'The username is already taken');

Answer 3

你最好这样使用：

$this->form_validation->set_message('is_unique', 'The %s is already taken');

form_validation使用为该字段设置的标签更改%s。

希望这有帮助！

Answer 4

这是您仅为用户名设置消息错误的方法：

$this->form_validation->set_rules('username','Username','is_unique',array('is_unique' => 'The %s is already taken'));

Answer 5

您可以在使用validation_errors()

检查验证后将自定义消息添加到$this->form_validation->run() == true字符串

if(YOUR_CONDITION){
   $this->form_validation->run();
   $err = validation_errors();
   $err = $err. '<p>Custom validation error message</p>'. PHP_EOL;
   $data['err'] = $err;
   $this->load->view('viewname', $data);
}
else if ($this->form_validation->run() == true ) {
        #code...
}
else..

将自定义消息设置为$err变量后，将其打印在您的视图上。

Answer 6

create a **form_validation.php** file and use this method:

"add_user_rule"   => [
    [
        "field" => "username",
        "label" => "Username",
        "rules" => "required|trim|is_unique[users.username]",
        "errors" => [
            'is_unique' => 'The %s is already taken.',
        ],
    ],
],

Thank You

Answer 7

您需要参考字段的名称而不是规则。

文档稍有混淆，因为它们也将其命名为“必需”。

所以你有$this->form_validation->set_message('is_unique[users.username]', 'The username is already taken');

应该是

$this->form_validation->set_message('username', 'The username is already taken');

希望这有帮助！

使用CodeIgniter表单验证的自定义错误消息

7 个答案: