上传预览图<input id="fileupload" type="file" name="preview" data-url="<?php echo url::base(); ?> attach/upload_preview/preview/print3d" multiple/> (Max Size:<?php echo kohana::config('upload.pic_max_size') / (1024 * 1024); ?> MB)<br/> <span id="preview_pic"></span> <div id="progress" style="width: 200px;height: 18px"> <div class="bar" style="width: 0%;height: 18px;background: red;"></div> </div> <br/> 打印材料<select name="material" id="material"> <?php $material = order_Core::get_print_material(); $i = 0; foreach ($material as $key => $val) { ?> <option value="<?php echo $key; ?> "<?php if ($i == 0) { echo ' selected'; } ?> ><?php echo $val; ?> </option>