首先，需要在facebook创建一个APP，创建方法见https://developers.facebook.com/，APP有一项是填写Domain的，这里填写你website的Domain。（APP是绑定domain的，不能乱填）
然后就可以使用facebook comments plugins。
使用facebook comments plugins，可以在页面中插入facebook comments。
生成code方法：https://developers.facebook.com/docs/plugins/comments
例如：有一个页面是http://www.example.com/ ，在这个页面中插入以下代码便可以使用comments plugings。
<!-- include facebook js sdk --> <script id="facebook-jssdk" src="//connect.facebook.net/en_GB/all.js#xfbml=1&appId=这里填写APPID"></script> <!-- comments plugins --> <fb:comments colorscheme="light" numposts="4" height="360px;" width="614px" href="http://www.example.com/" fb-xfbml-state="rendered" class="fb_iframe_widget"></fb:comments>
在页面上显示如下
读取页面的分享总数与评论总数
https://graph.facebook.com/?ids={YOUR_URL}
{YOUR_URL} 需要 urlencode
例如：https://graph.facebook.com/?ids=http%3A%2F%2Fwww.example.com%2F
返回：
{
"http://www.example.com/": {
"id": "http://www.example.com/",
"shares": 399517,
"comments": 392
}
}
代码如下：
<?php $url = 'http://www.example.com/'; $api = 'https://graph.facebook.com/?ids='; $result = json_decode(file_get_contents($api.urlencode($url)), true); print_r($result); ?>
读取页面评论列表
https://graph.facebook.com/comments/?ids={YOUR_URL}
{YOUR_URL} 需要 urlencode
例如：https://graph.facebook.com/comments/?ids=http%3A%2F%2Fwww.example.com%2F
返回：
{
"http://www.example.com/": {
"comments": {
"data": [
{
"id": "395320319544_27462154",
"from": {
"id": "100000223906701",
"name": "Thu\u1eadn Phan Thanh"
},
"message": "hello moto",
"can_remove": false,
"created_time": "2013-10-07T10:01:40+0000",
"like_count": 1,
"user_likes": false
},
{
"id": "395320319544_27877980",
"from": {
"id": "100001638736612",
"name": "L\u00e3 Minh"
},
"message": "hi you",
"can_remove": false,
"created_time": "2013-11-13T02:57:01+0000",
"like_count": 4,
"user_likes": false
},
{
"id": "395320319544_27879381",
"from": {
"id": "100004229015145",
"name": "Th\u00f9y Dung"
},
"message": "Mg \u1ee7ng h\u1ed9 t\u1edb v\u1edbi nh\u1edb \u003C3",
"can_remove": false,
"created_time": "2013-11-13T05:38:12+0000",
"like_count": 3,
"user_likes": false
}
...
],
"paging": {
"cursors": {
"after": "MjU0",
"before": "Mzk4"
},
"next": "https://graph.facebook.com/v1.0/395320319544/comments?limit=25&after=MjU0"
}
}
}
}
根据next的url再请求可以获取下一页的评论内容
代码如下：
<?php $url = 'http://www.example.com/'; $api = 'https://graph.facebook.com/comments/?ids='; $result = json_decode(file_get_contents($api.urlencode($url)), true); print_r($result); ?>
