我正在使用Codeigniter的文件上传类上传用户头像。是否有一种方法可以在用户上传新头像时替换用户的图像文件?我想用最新上传的头像替换现有的头像。
我的图像上传控制器
我的图像上传控制器
function upload_avatar()
{
$config['upload_path'] = './uploads/avatars/';
$config['allowed_types'] = 'jpg|png';
$config['overwrite'] = FALSE; //overwrite user avatar
$config['encrypt_name'] = TRUE;
$config['max_size'] = '200'; //in KB
$this->load->library('upload', $config);
if ( ! $this->upload->do_upload())
{
$error = $this->upload->display_errors();
$this->session->set_flashdata('error', $error);
redirect('/settings/avatar');
}
else
{
$config['image_library'] = 'gd2';
$config['source_image'] = $this->upload->upload_path.$this->upload->file_name;
$config['create_thumb'] = FALSE;
$config['maintain_ratio'] = FALSE;
$config['width'] = 120;
$config['height'] = 120;
$this->load->library('image_lib', $config);
$this->image_lib->crop();
//Add image path to database
$avatar_path = 'uploads/avatars/' . $this->upload->file_name;
$user_id = $this->tank_auth->get_user_id();
$this->Settings_model->update_avatar($avatar_path, $user_id);
$this->session->set_flashdata('success', 'Avatar updated!');
redirect('/settings/avatar');
}
}
$config['overwrite'] = FALSE; //overwrite user avatar
改为TRUE
了吗? - drfranks3