从数据库中如何计算特定的行。下面给出了澄清图像的方法。太多了。期待帮助。 database
这是我的代码
<?php
$q="SELECT * FROM donate WHERE
passport_IC=:passport_IC";
$row=$q->rowcount();
echo $row;
?>
我的Mysql
SELECT COUNT(*) FROM Table;
将计算表中的行数。
要么
通过PHP
<?php
$con=mysqli_connect("localhost","username","password","db_name");
$result=mysqli_query($con,"SELECT * FROM Table")
$rowcount=mysqli_num_rows($result);
printf("Result set has %d rows.\n",$rowcount);
?>