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点赞 每点一次向数据库增加1

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2016-06-06 20:27:271540browse

这样子行不能，不知怎么写，求指点

<code>$num += 1;
$data['like_count'] = $num;
M('Weizhan')->where($map)->save($data);</code>

回复内容：

这样子行不能，不知怎么写，求指点

<code>$num += 1;
$data['like_count'] = $num;
M('Weizhan')->where($map)->save($data);</code>

你这样写不对滴！
M('weizhan')->where($map)->setInc('like_count',1);

参考 Redis 计数器

一般都不会数据库计数

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