前台页面:
<div class="form-group">
<label>添加商品图片</label>
<input type="file" id="file" name="file" accept="image/*"
class="file-upload-default">
<div class="input-group col-xs-12">
<input type="text" id="filename" name="filename" id="product_pic"
name="product_pic" class="form-control file-upload-info"
disabled placeholder="请导入图片路径">
<span class="input-group-append">
<input id="btn_addPic" class="file-upload-browse btn btn-gradient-primary"
type="button" va