获取表内总数。解决方法
获取表内总数。
- PHP code
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> public function count(){ $db=new Db(); $db->connect(); $query="select count(*) from wenzhang"; $shuju=$db->query($query); $db->close(); return $shuju; }
可以为什么我在调用页面接受不到呢?
DB类的query语句
- PHP code
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ -->public function query($query) //发送sql语句 insert update select { $this->result=mysql_query($query); }
------解决方案--------------------
通常情况下 要用 mysql_fetch_array() 将结果集转化为数组对吧,你的代码中没有啊
$query="select count(*) from wenzhang";
$shuju=$db->query($query);
$row= mysql_fetch_array($shuju);
$db->close();
return $row[0];

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