簡體   English   中英

數據不是來自mysql

[英]Data is not coming from mysql

它表明已創建連接。 但是我不知道查詢中出了什么問題。 查詢之后,我嘗試回顯某些內容,並且該內容在瀏覽器中可見。

<html>
    <head>

    </head>
<body>

<?php
$servername = "localhost:8888";
$username = "root";
$password = "";
$dbname = "employees";
// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}else {
    echo "Connected successfully";
}

$res = mysqli_query($conn,"select * from dept_manager");
echo"dept_manager";
while($row=mysqli_fetch_assoc($res))
{
?>
<table>
    <tr>
        <td><?php echo $row['emp_no'] ?></td>
        <td><?php echo $row['dept_no']?></td>
        <td><?php echo $row['from_date'] ?></td>
        <td><?php echo $row['to_date'] ?></td>  
    </tr>
</table>
<?php
}
?>
</body>
</html>
$sql = "select * from dept_manager";
$result = $conn->query($sql);
while($row = $result->fetch_assoc()){
      // your code here

}

試試這個..

在while循環的地方嘗試一下:

<?php
    $res = mysqli_query($conn,"select * from dept_manager");
    echo"dept_manager";
    echo "<table>";
    while($row=mysqli_fetch_assoc($res))
    {
     echo "<tr><td>" . $row['emp_no'] . "</td><td>" . $row['dept_no'] . "</td><td>" . $row['from_date'] . "</td><td>" . $row['to_date'] . "</td></tr>";
    }
echo "</table>";
?>

您已經提到servername:localhost:8888,只需檢查一次,刪除8888並嘗試。

我已經在本地系統中嘗試使用您的代碼,相同的代碼可以正常工作。

只要我輸入了我的數據庫名稱和表名稱,它就可以正常工作。

因此,您只需按照我的示例進行一次測試即可。

碼:-

<html>
<head>
</head>
<body>

<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "mydashboard";
// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
} 
else{
echo "Connected successfully";
}

$res = mysqli_query($conn,"select * from content_values");

while($row=mysqli_fetch_assoc($res))
{
?>
<table>
    <tr>
        <td><?php echo $row['name'] ?></td>
    </tr>
</table>
<?php
}
?>
</body>
</html>

輸出:-

Connected successfully

Name:
Test QA AndroidSD
image sampl
GMAIL
test PDF
Nat Geo Video

暫無
暫無

聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.

 
粵ICP備18138465號  © 2020-2024 STACKOOM.COM