正在将数据插入MySQL数据库(无数据)

Question

我想用php保存数据库中的值，我没有得到错误，但数据库是空的，它没有保存数据。

我将if语句放在检查之前是否保存了值

请检查我的代码

请帮帮我

<?php
$submit = $_POST['submit'];
$sid  = strip_tags($_POST['sid']);
$Desc = strip_tags($_POST['Desc']);    
if ($submit) {
    // open data base
    $connet = mysql_connect("localhost", "root", "hahaha1");
    mysql_select_db("senior");        
    $sensorcheck = mysql_query("SELECT sid FROM availblesensors WHERE sid='$sid'");
    $count       = mysql_num_rows($sensorcheck);
    if ($count != 0) {
        die("You add this Sensor ID before!");
    }        
    if ($sid && $Desc) {
        mysql_query("INSERT INTO availblesensors ('$sid','$Desc')");
        // success 
        die("You have add new sensor Successfully !! <a href='admin.php'>click here to return to admin page</a> or Here to
 <a href='gotoaddsensor.php'>add new sensor</a>");
    } else {
        echo "<h3><font color='red'>Please fill in <b>all</b> feilds!</font></h3>";
    }        
}
?>




<form action="gotoaddsensor.php" method="post" class="one">

<div class="info">

    <center><div>Please add availble sensors with a few description of it if you need</div></center><br/>
</div>


                <div><b><label for="sid">Sensor ID</label>:</b>
                <input name="sid" value="" id="sid" type="text" size="15"/> </div>
    <br />
                <div><b><label for="password">Description</label>:</b>
                <input name="Desc" value="" id="Desc" type="text" size="40"/></div>
    <br />

            <div id="login-button">
            <input  name="submit"  type="submit" value="submit"  />
                            <input type="reset" value="clear" />
 </div>

    </form>

Answer 1

该查询将为

mysql_query("INSERT INTO availblesensors VALUES ('$sid','$Desc')");

不

mysql_query("INSERT INTO availblesensors ('$sid','$Desc')");`

查询中缺少VALUES关键字。

Answer 2

您的sql语句错误..

mysql_query("INSERT INTO availblesensors ('$sid','$Desc')");

您是说$id和$Desc是availablesensors中的列，您应该在实际值之前添加值

mysql_query("INSERT INTO availblesensors VALUES ('$sid','$Desc')");

Answer 3

代码中有一个小错误。通过下面的代码进行更改。

mysql_query("INSERT INTO availblesensors ('$sid','$Desc')");

替换为

 mysql_query("INSERT INTO availblesensors values ("'.$sid.'","'.$Desc.'")");