我有一个奇怪的问题，当我运行更新功能时，它已成功执行＆amp;我在mysql数据库检查它已更新。但是，几分钟后，mysql数据库的值恢复为原始值（更新前）。
因为我可以看到我的代码似乎没问题，因为我可以更新mysql数据库中的值但不知何故可能与$ _SESSION有关，这是我不熟悉的。以下是我的代码： -
<?php session_start();
$staff_no=$_SESSION['staff_no'];
$user_name=$_SESSION['user_name'];
$pass=$_SESSION['pass'];
$level=$_SESSION['level'];
include("../connect.php");
include ("../session.php");
$today=date('Y-m-d');
$VendorID=$_GET['vendorid'];
if($submit=isset($_POST['submit']))
{
$VendorID=isset($_POST['VendorID']) ? $_POST['VendorID'] : '';
$CompanyName=isset($_POST['CompanyName']) ? $_POST['CompanyName'] : '';
$Address=isset($_POST['Address']) ? $_POST['Address'] : '';
$TelephoneNo=isset($_POST['TelephoneNo']) ? $_POST['TelephoneNo'] : '';
$FacsimileNo=isset($_POST['FacsimileNo']) ? $_POST['FacsimileNo'] : '';
$URL=isset($_POST['URL']) ? $_POST['URL'] : '';
$RegisterDate=isset($_POST['RegisterDate']) ? $_POST['RegisterDate'] : '';
$status=isset($_POST['status']) ? $_POST['status'] : '';
$region=isset($_POST['region']) ? $_POST['region'] : '';
$sql2 = "UPDATE vendor SET VendorID='$VendorID',CompanyName='$CompanyName',Address='$Address',TelephoneNo='$TelephoneNo',
FacsimileNo='$FacsimileNo',URL='$URL',RegisterDate='$RegisterDate',status='$status',region='$region'
WHERE VendorID='$VendorID'";
if(@mysqli_query($con, $sql2))
{
echo "<script type='text/javascript'>\n";
echo "alert('Successfully edit data');\n";
echo "</script>";
echo "<script>window.navigate('vendordetails_add.php?vendorid=$VendorID')</script>";
}
else
echo 'the data failed to edit'.mysqli_error();
}//if isset submit
$sql =mysqli_query($con, "SELECT * FROM vendor WHERE VendorID='$VendorID'");
$row = mysqli_fetch_array($sql);
$id=$row['id'];
$VendorID=$row['VendorID'];
$CompanyName=$row['CompanyName'];
$Address=$row['Address'];
$TelephoneNo=$row['TelephoneNo'];
$FacsimileNo=$row['FacsimileNo'];
$URL=$row['URL'];
$RegisterDate=$row['RegisterDate'];
$status=$row['status'];
$region=$row['region'];
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<form name="vendor_edit" enctype="multipart/form-data" method="post" action="<?php $_SERVER['PHP_SELF'] ?>">
<input type="hidden" name="VendorID" value="<?php echo $VendorID; ?>" />
<input type="hidden" name="status" value="<?php echo $status; ?>" />
<table width="784" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td height="80" valign="top">
<table width="100%" border="0" cellpadding="0" cellspacing="0" background="../image/center.jpg">
<tr>
<td height="20" valign="top"> </td>
<td width="81" valign="top" class="txt">Company</td>
<td colspan="2" valign="top"><input name="CompanyName" type="text" class="text" id="CompanyName" size="50" value="<?php echo $CompanyName; ?>"/></td>
</tr>
<tr>
<td height="60" valign="top"> </td>
<td valign="top" class="txt">Address</td>
<td colspan="2" valign="top"><textarea name="Address" cols="40" rows="4" class="txt" id="Address"><?php echo $Address; ?></textarea></td>
</tr>
<tr>
<td height="21" valign="top"> </td>
<td valign="top" class="txt">Telephone No</td>
<td colspan="2" valign="top"><input name="TelephoneNo" type="text" class="text" id="TelephoneNo" size="15" value="<?php echo $TelephoneNo; ?>"/></td>
</tr>
<tr>
<td height="21" valign="top"> </td>
<td valign="top" class="txt"> Fax No</td>
<td colspan="2" valign="top"><input name="FacsimileNo" type="text" class="text" id="FacsimileNo" size="15" value="<?php echo $FacsimileNo; ?>"/></td>
</tr>
<tr>
<td height="21" valign="top"> </td>
<td valign="top" class="txt">Website</td>
<td colspan="2" valign="top"><input name="URL" type="text" class="text" id="URL" size="30" value="<?php echo $URL; ?>"/></td>
</tr>
<tr>
<td height="21" valign="top"> </td>
<td valign="top" class="txt">Region</td>
<td colspan="2" valign="top">
<select name=region id="region">
<option value="Malaysia"<?php if ($region=='Malaysia'){ ?> selected="yes" <?php } ?> >Malaysia </option>
<option value="International"<?php if ($region=='International'){?> selected="yes" <?php } ?> >International</option>
</select></td>
</tr>
<tr>
<td height="21" valign="top"> </td>
<td valign="top" class="txt">Status</td>
<td colspan="2" valign="top">
<select name=status id="status">
<option value="Active"<?php if ($status=='Active'){ ?> selected="yes" <?php } ?> >Active </option>
<option value="KIV"<?php if ($status=='KIV'){?> selected="yes" <?php } ?> >KIV</option>
<option value="Reconsider"<?php if ($status=='Reconsider'){?> selected="yes" <?php } ?> >Reconsider</option>
</select></td>
</tr>
<tr>
<td height="21" valign="top"> </td>
<td valign="top" class="txt">Register Date</td>
<td colspan="2" valign="top"><input name="RegisterDate" type="text" class="text" id="RegisterDate" value="<?php echo $RegisterDate; ?>" size="15"/></td>
</tr>
<tr>
<td height="21" valign="top"> </td>
<td valign="top"> </td>
<td colspan="2" width="613" valign="top">
<input type="submit" name="submit" class="text" value="Update" />
<input type="button" name="back" value="Back" class="text" onClick="window.history.back(); return false;" /></td>
</tr>
</td>
</table>
</form>
</body>
</html>
另一个涉及$ status的页面是vendor_add.php： -
<?php
session_start();
$staff_no=$_SESSION['staff_no'];
$user_name=$_SESSION['user_name'];//call session back
$pass=$_SESSION['pass'];
$level=$_SESSION['level'];
include("../connect.php");
include ("../session.php");
$today=date('Y/m/d');
if($submit=isset($_POST['submit']))
{
$sql=mysqli_query($con, "SELECT VendorID FROM vendor ORDER BY VendorID DESC LIMIT 1");
$row=mysqli_fetch_array($sql);
$temp=$row['VendorID'];
$VendorID=$temp + 1;
$today=date('Y-m-d');
$CompanyName=isset($_POST['CompanyName']) ? $_POST['CompanyName'] : '';
$Address=isset($_POST['Address']) ? $_POST['Address'] : '';
$TelephoneNo=isset($_POST['TelephoneNo']) ? $_POST['TelephoneNo'] : '';
$FacsimileNo=isset($_POST['FacsimileNo']) ? $_POST['FacsimileNo'] : '';
$URL=isset($_POST['URL']) ? $_POST['URL'] : '';
$RegisterDate=isset($_POST['RegisterDate']) ? $_POST['RegisterDate'] : '';
$region=isset($_POST['region']) ? $_POST['region'] : '';
$sql2 = "INSERT INTO vendor(VendorID,CompanyName,Address,TelephoneNo,FacsimileNo,URL,RegisterDate,region,status)VALUES
('$VendorID','$CompanyName','$Address','$TelephoneNo','$FacsimileNo','$URL','$RegisterDate','$region','active')";
if(mysqli_query($con, $sql2))
{
echo "<script type='text/javascript'>\n";
echo "alert('Successfully add data');\n";
echo "</script>";
echo "<script>window.navigate('vendordetails_add.php?vendorid=$VendorID')</script>";
}
else
echo 'the data could not be added'.mysqli_error();
}//if isset submit
mysqli_close($con);
?>
还有我的connect.php： -
<?php
//connection to database
//must include this file in every file to undeny data access
$dbuser = "root";
$dbserver = "localhost";
$dbpass = "mypass123";
$dbname = "vendor";
$con= new mysqli($dbserver, $dbuser, $dbpass) or die ("UNABLE TO CONNECT TO DATABASE");
mysqli_select_db($con, $dbname) or die ("UNABLE TO SELECT DATABASE");
?>
答案 0 :(得分：0)
autorun.php会自动将供应商.class_name {
word-wrap: break-word;
}
置于＆＃34; Active＆＃34;，＆＃34; KIV＆＃34; ＆安培; ＆＃34;重新考虑＆＃34;基于脚本中指定的时间范围。这就是为什么每次我更新status时它都会恢复为＆＃34; Active＆＃34;几分钟后。
无论如何，谢谢你的帮助.. !!
答案 1 :(得分：-1)
如果您使用支持事务的InnoDB表，那么如果您没有启动显式事务，则其中一个表上的每个操作都会启动一个隐式事务。
https://dev.mysql.com/doc/refman/5.7/en/commit.html
只要您在同一会话中（关键字＆＃34;连接池＆＃34;以及＆＃34;连接超时＆＃34;），您的更改对您而言是可见的，但对其他任何人都不可见。当您的连接最终超时时，事务将回滚而不是提交。这是真的，因为你永远不会在这里关闭你的会议。
要使更改成为永久更改，您有3个选项：
commit 一般来说，你应该：
这应该可以解决您的问题，在整个PHP脚本部分的末尾（?>之前），执行以下操作：
mysqli_free_result($con, $sql);
mysqli_query($con, "COMMIT");
mysqli_close($con);