<a name="gallery"></a>
## gallery(url, [options])
gallery 帶刪除按鈕的圖片預覽，主要是配合圖片上傳使用
**Kind**: global function
| Param | Type | Description |
| --- | --- | --- |
| url | <code>string</code> | gallery顯示的圖片的url |
| [options] | <code>object</code> | 配置項 |
| [options.className] | <code>string</code> | 自定義類名 |
| [options.onDelete] | <code>function</code> | 點擊刪除圖片時的回調 |
**Example**
```js
var gallery = weui.gallery(url, {
className: 'custom-classname',
onDelete: function(){
if(confirm('確定刪除該圖片？')){ console.log('刪除'); }
gallery.hide(function() {
console.log('`gallery` has been hidden');
});
}
});
```
