当我创建用户时,我在下面使用了 codeigniter 代码,如果它已经存在,它应该显示一个消息重复值,但它显示 1062 错误。请帮助解决问题。
控制器
function create_member()
{
$this->load->library('form_validation');
// field name, error message, validation rules
$this->form_validation->set_rules('first_name', 'Name', 'trim|required');
$this->form_validation->set_rules('last_name', 'Last Name', 'trim|required');
$this->form_validation->set_rules('email_address', 'Email Address', 'trim|required|valid_email');
$this->form_validation->set_rules('username', 'Username', 'trim|required|min_length[4]');
$this->form_validation->set_rules('password', 'Password', 'trim|required|min_length[4]|max_length[32]');
$this->form_validation->set_rules('password2', 'Password Confirmation', 'trim|required|matches[password]');
if($this->form_validation->run() == FALSE)
{
$this->load->view('signup_form');
}
else
{
$this->load->model('membership_model');
if($query = $this->membership_model->create_member())
{
$data['main_content'] = 'signup_successful';
$this->load->view('includes/template', $data);
}
else
{
$this->load->view('signup_form');
}
}
}
模型
function create_member()
{
$new_member_insert_data = array(
'first_name' => $this->input->post('first_name'),
'last_name' => $this->input->post('last_name'),
'email_address' => $this->input->post('email_address'),
'username' => $this->input->post('username'),
'password' => md5($this->input->post('password'))
);
$insert = $this->db->insert('membership', $new_member_insert_data);
if ($this->db->_error_number() == 1062)
{
$this->session->set_flashdata('duplicate_email', 'Duplicate value');
redirect('login');
}
return $insert;
}