PHP Switch大小写问题，始终返回错误

时间：2018-10-19 12:15:29

标签： php html switch-statement oci

我有一个网页，在其中输入一个字符串，然后通过$ POST进入PHP脚本，在其中执行SQL选择，然后返回页面上的数据。对于一个单一的选择查询工作正常。但是我也试图包括其他Selects语句，以便同时搜索其他值。

因此，当我运行我的php（来自网页）时无需切换时，它始终会按预期运行。没有错误。 

 <html>
<!-- some style ... -->
<?php

$HOST="10.133.96.132";

// Database user
$DBUSER="tibco";

// Database password
$PASS="suyash123";

// Database name
$DB="VFD2TEST";

// Database Error - User Message
$DB_MSG_ERROR='Could not connect!<br />Please contact the site\'s administrator.';


############## Make the mysql connection ###########

$conn = oci_connect ($DBUSER, $PASS, "//10.133.96.132:7041/VFD2TEST");

if (!$conn) {
   $m = oci_error();
   echo $m['message'], "\n";
   exit;
}
$select123 = $_POST['value'];
$output123 = shell_exec("cat data.lst |grep $select123| awk -F: '{print $2}'");

switch ($output123) 
{
     case "QUERY1":
        $c = "SELECT * FROM EAITUXSERVICES WHERE TUX_ADAPTERS='".$_POST['value']."'";
         $result = oci_parse($conn, $c);
         oci_execute($result);
         break;
     case "QUERY2":
            $c = "SELECT * FROM EAITUXSERVICES WHERE COMPONENT='".$_POST['value']."'";
            $result = oci_parse($conn, $c);
            oci_execute($result);
         break;
     case "QUERY3":
        $c = "SELECT * FROM EAITUXSERVICES WHERE TUX_SERVICES='".$_POST['value']."'";
            $result = oci_parse($conn, $c);
            oci_execute($result);
         default:
         $c = "SELECT * FROM EAITUXSERVICES WHERE STATION_NAME='".$_POST['value']."'";
         $result = oci_parse($conn, $c);
         oci_execute($result);
         break;
 }

echo '<TABLE>';
echo '<thead>';
echo '<tr>
    <th>ADAPTERS</th>
    <th>SERVICE</th>
        <th>CALLING_APP</th>
        <th>BP_NAME</th>
        <th>STATION_NAME</th>
         <th style="padding-right:20px;">COMPONENT</th>
        </tr>';
echo '</thead>';
while (($row = oci_fetch_array($result, OCI_BOTH)) != false)
{

  echo '
  <tr>
    <td>'.$row[0].'</td>
    <td>'.$row[1].'</td>
    <td>'.$row[3].'</td>
    <td>'.$row[4].'</td>
    <td>'.$row[5].'</td>
    <td>'.$row[6].'</td>

</tr>';

}


echo '</TABLE>';

oci_free_statement($result);
oci_close($conn);

?>

</html>

以下内容的输出是：

 $select123 = $_POST['value'];
    $output123 = shell_exec("cat data.lst |grep $select123| awk -F: '{print $2}'");

是QUERY1

所以它应该切换

=================================编辑============= ======================

我只是尝试了if else语句，尽管默认情况下列出的查询工作正常且与之相同，但第一个查询无论如何都不会获取数据。

================================================ =============================

================================ EDIT2 =============== =========================

现在我已经修剪了变量，所以没有空格或特殊字符的问题

<html>
<!-- some style ... -->
<?php

$HOST="10.xxx.xxx.132";

// Database user
$DBUSER="tibco";

// Database password
$PASS="xxxxx";

// Database name
$DB="TEST";

// Database Error - User Message
$DB_MSG_ERROR='Could not connect!<br />Please contact the site\'s administrator.';


############## Make the mysql connection ###########

$conn = oci_connect ($DBUSER, $PASS, "//10.xxxx.96.xx:xxx/xxxx");

if (!$conn) {
   $m = oci_error();
   echo $m['message'], "\n";
   exit;
}
$select123 = $_POST['value'];
$output123 = shell_exec("cat data.lst |grep $select123| awk -F: '{print $2}'");
$output234 = trim($output123);
echo $output234;
if ($output234=="QUERY3")
{
$c = "SELECT * FROM EAITUXSERVICES WHERE COMPONENT='".$_POST['value']."'";  
}
else if ($output234=="QUERY1")
{

$c = "SELECT * FROM EAITUXSERVICES WHERE TUX_ADAPTERS='".$_POST['value']."'";
}   
$result = oci_parse($conn, $c);
oci_execute($result);

echo '<TABLE>';
echo '<thead>';
echo '<tr>
    <th>ADAPTERS</th>
    <th>SERVICE</th>
        <th>CALLING_APP</th>
        <th>BP_NAME</th>
        <th>STATION_NAME</th>
         <th style="padding-right:20px;">COMPONENT</th>
        </tr>';
echo '</thead>';
while (($row = oci_fetch_array($result, OCI_BOTH)) != false)
{

  echo '
  <tr>
    <td>'.$row[0].'</td>
    <td>'.$row[1].'</td>
    <td>'.$row[3].'</td>
    <td>'.$row[4].'</td>
    <td>'.$row[5].'</td>
    <td>'.$row[6].'</td>

</tr>';

}


echo '</TABLE>';

oci_free_statement($result);
oci_close($conn);

?>

</html>

现在我的输出分别是QUERY1和QUERY3，但结果不存在，较早的查找STATION_NAME的查询正在运行，而查找COMPONENT的查询正在运行，而不是站点名称一个。真的很奇怪。

3 个答案:

答案 0 :(得分：0)

您可能会错过$ select123中的['value']和大小写“ QUERY3”的中断。

然后您可以像这样简化代码：

$conn = oci_connect ($DBUSER, $PASS, "//YY.XXX.ZZ.132:XXXX/TEST");

if (!$conn) {
   $m = oci_error();
   echo $m['message'], "\n";
   exit;
}
$select123 = $_POST;
$output123 = shell_exec("cat data.lst |grep $select123| awk -F: '{print $2}'");
$c = "SELECT * FROM EAITUXSERVICES WHERE ";
switch ($output123) {
     case "QUERY1 ":
        $c .= "TUX_ADAPTER";
     break;
     case "QUERY2 ":
        $c .= "COMPONENT";
     break;
     case "QUERY3 ":
        $c .= "TUX_SERVICES";
     break;
     default:
         $c .= "STATION_NAME";
     break;
 }
$c .= "='".$_POST['value']."'";
$result = oci_parse($conn, $c);
oci_execute($result);

echo '<TABLE>';
echo '<thead>';
echo '<tr>
    <th>ADAPTERS</th>
    <th>SERVICE</th>
        <th>CALLING_APP</th>
        <th>BP_NAME</th>
        <th>STATION_NAME</th>
         <th style="padding-right:20px;">COMPONENT</th>
        </tr>';
echo '</thead>';
while (($row = oci_fetch_array($result, OCI_BOTH)) != false)
{

  echo '
  <tr>
    <td>'.$row[0].'</td>
    <td>'.$row[1].'</td>
    <td>'.$row[3].'</td>
    <td>'.$row[4].'</td>
    <td>'.$row[5].'</td>
    <td>'.$row[6].'</td>

</tr>';

}


echo '</TABLE>';

oci_free_statement($result);
oci_close($conn);

?>

</html>

答案 1 :(得分：0)

我无法使用Switch语句运行它，但是可以在if ... else的帮助下完成它

这是代码

if (!$conn) {
   $m = oci_error();
   echo $m['message'], "\n";
   exit;
}
$select123 = $_POST['value'];
$output123 = shell_exec("cat data.lst |grep $select123| awk -F: '{print $2}'");
$output234 = trim($output123);
if ($output234=="QUERY3")
{
        $c = "SELECT * FROM EAITUXSERVICES WHERE COMPONENT='".$_POST['value']."'";  
        $result = oci_parse($conn, $c);
        oci_execute($result);
} 
//else if ($output234=="QUERY1")

    //{
        //$c = "SELECT * FROM EAITUXSERVICES WHERE TUX_ADAPTERS='".$_POST['value']."'"; 
        //$result = oci_parse($conn, $c);
        //oci_execute($result);

    //}

else if ($output234=="QUERY2")

    {
        $c = "SELECT * FROM EAITUXSERVICES WHERE TUX_SERVICES='".$_POST['value']."'";   
        $result = oci_parse($conn, $c);
        oci_execute($result);

    }

else

    {
        $c = "SELECT * FROM EAITUXSERVICES WHERE STATION_NAME='".$_POST['value']."'";   
        $result = oci_parse($conn, $c);
        oci_execute($result);

    }   

echo '<TABLE>';
echo '<thead>';
echo '<tr>
    <th>ADAPTERS</th>
    <th>SERVICE</th>
        <th>CALLING_APP</th>
        <th>BP_NAME</th>
        <th>STATION_NAME</th>
         <th style="padding-right:20px;">COMPONENT</th>
        </tr>';
echo '</thead>';
while (($row = oci_fetch_array($result, OCI_BOTH)) != false)
{

  echo '
  <tr>
    <td>'.$row[0].'</td>
    <td>'.$row[1].'</td>
    <td>'.$row[3].'</td>
    <td>'.$row[4].'</td>
    <td>'.$row[5].'</td>
    <td>'.$row[6].'</td>

</tr>';

}


echo '</TABLE>';

oci_free_statement($result);
oci_close($conn);

?>

</html>

希望这对某人有帮助

答案 2 :(得分：0)

我认为真实答案应该只是trim：

$output123 = trim(shell_exec("cat data.lst |grep $select123| awk -F: '{print $2}'"));

switch ($output123) 
{
...
}
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