sql update是否成功更新了数据方法
- WBOYOriginal
- 2016-06-07 17:51:151414browse
获取update更新的多少行的函数用：mysql_affected_rows($conn) 或者用mysqli_affected_rows($conn)
| 代码如下 | 复制代码 |
$sql = "update table a set aname='名字' where aid=88"; $r = $conn->query($sql); if ($r){ echo "错误以为这里就是数据做了更新，如果这个aid为88的数据不存在语句同样返回true。"; } |
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