image - 如何解决没有图像?
问题描述
我尝试了如下一些代码并收到错误消息
错误号:1048 列 brand_logo 不能为空 INSERT INTO tbl_brand (brand_name, brand_logo) VALUES ('Incoe', NULL)"
请帮我找出错误(对不起我的英语不好)
这是型号:
public function add_brand_model($brand_logo){
$data['brand_name'] = $this->input->post('brand_name',true);
$data['brand_logo'] = $brand_logo;
$this->db->insert('tbl_brand',$data);
}
看法:
<div class="form-group">
<label>Upload Brand Logo</label>
<input type="file" name="brand_logo">
</div>
和控制器:
public function add_brand_form(){
$data['main_content'] = $this->load->view('back/add_brand','',true);
$this->load->view('back/adminpanel',$data);
}
public function save_brand(){
$brand_logo= $this->upload_brand_logo();
$this->form_validation->set_rules('brand_name','Brand Name','required|min_length[2]');
if($this->form_validation->run()){
$this->BrandModel->add_brand_model($brand_logo);
$this->session->set_flashdata("flsh_msg","<font class='success'>Brand Added Successfully</font>");
redirect('brand-list');
}else{
$this->add_brand_form();
}
}
private function upload_brand_logo(){
$config['upload_path'] = './uploads/';
$config['allowed_types'] = 'png|gif|jpg|jpeg';
$config['max_size'] = 1000;//kb
$config['max_width'] = 1024;
$config['max_height'] = 768;
$this->load->library('upload', $config);
if($this->upload->do_upload('brand_logo')){
$data = $this->upload->data();
$image_path = "uploads/$data[file_name]";
return $image_path;
}else{
$error = $this->upload->display_errors();
$this->session->set_userdata('error_image',$error);
}
}
解决方案
尝试这个
if($this->upload->do_upload('brand_logo')){
$data = $this->upload->data();
$image_path = "uploads/".$data[file_name]; //Change
return $image_path;
}else{
$error = $this->upload->display_errors();
$this->session->set_userdata('error_image',$error);
return false; //New addition
}
或者
$image_path = '';
if($this->upload->do_upload('brand_logo')){
$data = $this->upload->data();
$image_path = "uploads/".$data[file_name]; //Change
}else{
$error = $this->upload->display_errors();
$this->session->set_userdata('error_image',$error);
}
return $image_path; //return here only one time
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