好久没来写博客了,并不是懈怠了,而是最近在写一个post文章管理的大module,由于php和zend没怎么学,所以花费了大概一周的时候,才实现了增删改查功能,最近在改进模块功能,因为那里面的代码量实在太大,具体的要想一想才能写博客,这次写的是针对修改文章状态,使用ajax实现的,以前一直不知道ajax的好处,这次具体使用了,才算知道了一些皮毛,接下来,进入正题。
首先贴一下ajax代码:
<code><span><<span>script</span>></span><span>
$(<span><span>function</span><span>()</span> {</span> $(<span>".post-list-table .check"</span>).click(<span><span>function</span><span>()</span> {</span><span>var</span> post_id = $(<span>this</span>).parent().attr(<span>"alt"</span>);
<span>var</span> status = $(<span>this</span>).attr(<span>"alt"</span>);
$.get(<span>"/post/operate/"</span>+ post_id +<span>"/?status="</span>+ status, <span><span>function</span><span>(ret)</span> {</span>
console.log(ret);
<span>if</span>(ret[<span>1</span>] == <span>1</span>) {
$(<span>"table tbody .status-"</span>+ post_id).html(<span>"Published"</span>);
} <span>else</span><span>if</span>(ret[<span>1</span>] == -<span>1</span>) {
$(<span>"table tbody .status-"</span>+ post_id).html(<span>"Rejected"</span>);
} <span>else</span> {
$(<span>"table tbody .status-"</span>+ post_id).html(<span>"Draft"</span>);
}
});
});
$(<span>".post-list-table .delete"</span>).click(<span><span>function</span><span>()</span> {</span><span>if</span>(confirm(<span>'确认删除?'</span>)) {
<span>var</span> url = $(<span>this</span>).attr(<span>'url'</span>);
$.getJSON(url, <span><span>function</span><span>(ret)</span> {</span>console.log(ret);
<span>if</span>(ret[<span>0</span>] == <span>true</span>) {
$(<span>'.delete[url="'</span>+url+<span>'"]'</span>).parents(<span>'tr'</span>).remove();
}
});
}
});
})
</span><span></<span>script</span>></span></code>从代码看出来,实现的是更改状态和删除两个功能,分别来自不同的action,接下来贴controller里面的action。
<code><span>public</span><span><span>function</span><span>operateAction</span><span>()</span>
{</span><span>if</span>(!<span>$this</span>->userHasPermission(<span>'ADMIN'</span>, <span>'EDIT_REVIEW'</span>))
{
<span>return</span><span>$this</span>->requirePermission(<span>'ADMIN'</span>, <span>'EDIT_REVIEW'</span>);
}
<span>$ret</span> = <span>false</span>;
<span>$request</span> = <span>$this</span>->getRequest();
<span>$log_table</span> = <span>$this</span>->getPostLogTable();
<span>$user_service</span> = <span>$this</span>->getServiceLocator()->get(<span>'UserService'</span>);
<span>$curr_user</span> = <span>$user_service</span>->getCurrentUser();
<span>$post_id</span> = <span>$this</span>->params()->fromRoute(<span>'id'</span>, <span>null</span>);
<span>$post</span> = <span>$this</span>->getPostTable()->getPostById(<span>$post_id</span>);
<span>$from_status</span> = <span>$post</span>[<span>'post_status'</span>];
<span>$status</span> = <span>$request</span>->getQuery(<span>'status'</span>, <span>null</span>);
<span>$log_row</span> = <span>array</span>();
<span>if</span> (!is_null(<span>$status</span>)) {
<span>if</span>(<span>$post</span>[<span>'post_status'</span>] != <span>$status</span>) {
<span>$ret</span> = <span>$this</span>->getPostTable()->checkStatus(<span>$post</span>[<span>'id'</span>], (int)<span>$status</span>);
<span>//var_dump($ret);exit();</span><span>if</span> (<span>$ret</span>) {
<span>$log_row</span>[<span>'post_id'</span>] = <span>$post_id</span>;
<span>$log_row</span>[<span>'user_id'</span>] = <span>$curr_user</span>->id;
<span>$log_row</span>[<span>'user_name'</span>] = <span>$curr_user</span>->username;
<span>$log_row</span>[<span>'date'</span>] = date(<span>'y-m-d'</span>,time());
<span>$log_row</span>[<span>'from_status'</span>] = <span>$from_status</span>;
<span>$log_row</span>[<span>'to_status'</span>] = <span>$status</span>;
<span>$log_table</span>->addRows(<span>$log_row</span>);
}
}
<span>$ret</span> = <span>true</span>;
}
<span>$jsonModel</span> = <span>new</span> JsonModel(<span>array</span>(<span>$post_id</span>, <span>$ret</span> ? (int)<span>$status</span> : <span>$ret</span>));
<span>//var_dump($jsonModel);exit();</span><span>return</span><span>$jsonModel</span>;
}
<span>public</span><span><span>function</span><span>deletePostAction</span><span>()</span>{</span><span>if</span>(!<span>$this</span>->userHasPermission(<span>'ADMIN'</span>, <span>'VIEW_PRODUCT'</span>))
{
<span>return</span><span>$this</span>->requirePermission(<span>'ADMIN'</span>, <span>'VIEW_PRODUCT'</span>);
}
<span>$post_id</span> = (int) <span>$this</span>->params()->fromRoute(<span>'post_id'</span>, <span>0</span>);
<span>$ret</span> = <span>false</span>;
<span>if</span> (<span>$post_id</span>) {
<span>$table</span> = <span>$this</span>->getPostTable();
<span>$table</span>->deleteRowById(<span>$post_id</span>);
<span>$this</span>->layout()->selectedTab = <span>'post-list'</span>;
<span>$ret</span> = <span>true</span>;
}
<span>return</span><span>new</span> JsonModel(<span>array</span>(<span>$ret</span>));
}</code>两个action的路由设置就不写了,也没有具体的phtml网页,只是实现功能而已。
ajax代码中,通过.get(url,data)函数,注意,此处的data是指action或者phtml返回的JsonModel的array数组,是返回的所有数据。实际上,在click之后,get的第一个参数,就执行了action,顺便获取了数据,然后根据参数,执行操作,这是非常方便的。
贴一下图吧,虽然看不出效果:
点击绿勾的话,status就是变成Published,点击红叉,就会变成Rejected,红垃圾箱,就是点击删除。 
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以上就介绍了实习小结十二:Ajax的get函数使用实例,包括了方面的内容,希望对PHP教程有兴趣的朋友有所帮助。
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