未显示任何信息。得到错误,我真的不确定为什么? 感谢。
<?php
$mysqli = new mysqli("localhost", "root", "", "insuredcars");
if ($_POST['formcar'] == '1' || $_POST['formage'] == '18' || $_POST['formNCD'] == '0' || $_POST['formPoints'] == '0' )
$query = $mysqli->query("SELECT * FROM insurance WHERE insuranceid = '1'");
while($row = mysql_fetch_array($result))
{
echo "<tr>";
echo "<td>" . $row['insuranceprice'] . "</td>";
echo "</tr>";
}
echo "</table>";
mysql_close($con);
?>
我得到的错误: 注意:未定义的变量:导致C:在第8行
警告:mysql_fetch_row()期望参数1为资源,在第8行的C:\ xampp \ htdocs \ search.php中给出null
注意:未定义的变量:C中的con:第16行
警告:mysql_close()期望参数1为资源,在第16行的C:中给出为null
答案 0 :(得分:0)
mysqli_fetch_row
只提取一行,如函数名称所示。
$mysqli = new mysqli("localhost", "root", "", "insuredcars");
if ($_POST['formcar'] == '1' || $_POST['formage'] == '18' || $_POST['formNCD'] == '0' || $_POST['formPoints'] == '0') {
$query = $mysqli->query("SELECT * FROM insurance WHERE insuranceid = '1'");
while ($row = mysqli_fetch_assoc($query)) {
echo "<tr>";
echo "<td>" . $row['insuranceprice'] . "</td>";
echo "</tr>";
}
echo "</table>";
}
mysql_close($con);
答案 1 :(得分:0)
尝试阅读有关使用mysqli_fetch_row
而不是mysql_fetch_row
的其他答案,但我认为您需要注意的是这一行:
$query = $mysqli->query("SELECT * FROM insurance WHERE insuranceid = '1'");
您将结果存储到$query
变量中,但是当您循环时:
while($row = mysql_fetch_array($result))
您尝试获取$result
变量,此变量未在此处声明。