Codeigniter多檔案上傳與縮圖實作程式碼

class Upload extends Controller {
 function go() {
 if(isset($ _POST[ 'go'])) {
 // 初始化
 $config['upload_path'] = 'album/source';
 $config['allowed_types'] = 'gif|jpg|png|bmp|jpeg';
 $config['encrypt_name'] = TRUE;
 $config['remove_spaces'] = TRUE;
 $config['max_size'] = '0';
 $config['max_width'] = '0';
 $config['max_height'] = '0';
 $this->load->library('upload', $config);
 //170*170圖片
 $configThumb = array();
 $configThumb['image_library'] = 'gd2';
 $configThumb['source_image'] = '';
 $configThumb ['create_thumb'] = TRUE;
 $configThumb['maintain_dratb['maintain_真的; //保留圖片比例
 $configThumb['new_image'] = 'album/thumb';
 $configThumb['width'] = 170;
 $configThumb['height'] = 170;
 //600*600圖片
 $configLarge = array();
 $configLarge['image_library'] = 'gd2';
 $configLarge['source_image'] = '';
 $ configLarge['create_thumb'] = TRUE;
 $configLarge['maintain_ratio'] = TRUE; // 保持圖片比例
 $configLarge['new_image'] = 'album/large';
 $configLarge['width'] = 600;
 $configLarge['height'] = 600;
 $configLarge['height'] = 600;
 /p>
 $this->load->library('image_lib');
 for($ i = 1; $i  $upload = $this->upload->do_upload('image'.$i);
 if($upload === FALSE) continue;
 $data = $this->upload->data();//返回上傳檔案的記憶體的所有相關資訊
 $uid = $this ->session->userdata('uid');
 $uploadedFiles[$i] = $data;
 if($data['is_image'] == 1) {
 // 初始化170*170
 $configThumb['source_image'] = $data['full_path']; //檔案路徑帶檔名
 $this->image_lib->initialize($configThumb);
 $this->image_lib->resize();
 //初始化600*600
 $ configLarge['source_image'] = $data['full_path']; //檔案路徑帶檔名
 $this->image_lib->initialize($configLarge);
 $this->image_lib->resize();
 }
 //插入圖片資訊到相簿表，插入的檔案名稱為source目錄檔案名稱
 $picture = array(
 'filename' => $data['file_name'],
 'albumID' = > $this->uri->segment(4,0),
 'uid' => $this->session->userdata('uid'),
 'dateline' => 時間(),
 '描述' => '',
 '點擊' => 0
 );
 $this->load->model('album_model');
 $this->album_model->AddPic($picture);
 $picture = array();
 }
 }
 /* 轉出*/
 $albumID = $this- >uri->segment(4);
 $backurl = site_url() . 'photo/editpic/album/' .$albumID;
 $this->session->set_flashdata('msg','圖片上傳成功.');
 redirect($backurl,'刷新') ;
 }

複製程式碼

 gt;
 

 gt ;

複製程式碼

type="submit" name="go" value="上傳照片" class="button" />

注意事項： 1，要一次上傳幾個文件，修改表單和控制器中循環部分的參數就好。 2，album\source 是上傳後原圖目錄 large和thumb分別是兩次執行$this->image_lib->resize();後存放縮圖的目錄。 3，縮圖檔名，如需和album\source目錄一致，請新增參數 $config['thumb_marker'] = '';。 4，$picture 這部分數組是保存到資料庫的東西，無需理會。