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私はphp/mysqlプログラミングの初心者で、このフォームは機能していましたが、新しいコンピューターを入手すると機能しません。HTML は、結果を WAMP mysql データベースにキックする php ページに送信するフォームです。私が言ったように、私はこれがすべてうまく機能していて、新しいマシンを手に入れ、WAMPを再インストールし、データベースと情報をコピーしました。 $sql - ("SELECT ..... 以前と同じように、接続できないというエラーが表示されます。

<?php
$q=$_GET["q"];

$con = mysql_connect("localhost","root","password");

if (!$con)
{
    die('Could not connect: ' . mysql_error());
}

mysql_select_db("kalen_qc", $con);

$sql = ("SELECT `id` FROM `users` WHERE `username` = ' " . $root . " ' and `password` = ' " . $password . " ' limit 1");

//Retrieve data from the sql Query String
$cname = $_GET["cname"];
$job = $_GET["job"];
$apptype = $_GET["apptype"];
$priority = $_GET["priority"];
$daterec = $_GET["daterec"];
$datereq = $_GET["datereq"];
$po = $_GET["po"];
$authby = $_GET["authby"];
$phone = $_GET["phone"];
$fax = $_GET["fax"];
$motorplantnumber = $_GET["motorplantnumber"];
$quoted = $_GET["quoted"];
$incomphoto = $_GET["incomphoto"];
$repvalue = $_GET["repvalue"];
$eyebolt = $_GET["eyebolt"];
$motorassem = $_GET["motorassem"];
$conduitbox = $_GET["conduitbox"];
$conboxpos = $_GET["conboxpos"];
$coupler = $_GET["coupler"];
$couplexten = $_GET["couplexten"];
$couplrecess = $_GET["couplrecess"];
$couplflush = $_GET["couplflush"];
$motorweight = $_GET["motorweight"];
$motorfreq = $_GET["motorfreq"];
$application = $_GET["application"];
$appdesc = $_GET["appdesc"];
$specinstruc = $_GET["specinstruc"];
$reasonserv = $_GET["reasonserv"];
$obviousdamage = $_GET["obviousdamage"];
$cussupplyprod = $_GET["cussupplyprod"];

// Escape User Input to help prevent SQL Injection
$cname = mysql_real_escape_string($cname);
$job = mysql_real_escape_string($job);
$apptype = mysql_real_escape_string($apptype);
$priority = mysql_real_escape_string($priority);
$daterec = mysql_real_escape_string($daterec);
$datereq = mysql_real_escape_string($datereq);
$po = mysql_real_escape_string($po);
$authby = mysql_real_escape_string($authby);
$phone = mysql_real_escape_string($phone);
$fax = mysql_real_escape_string($fax);
$motorplantnumber = mysql_real_escape_string($motorplantnumber);
$incomphoto = mysql_real_escape_string($incomphoto);
$repvalue = mysql_real_escape_string($repvalue);
$motorassem = mysql_real_escape_string($motorassem);
$conduitbox = mysql_real_escape_string($conduitbox);
$conboxpos = mysql_real_escape_string($conboxpos);
$coupler = mysql_real_escape_string($coupler);
$couplexten = mysql_real_escape_string($couplexten);
$couplrecess = mysql_real_escape_string($couplrecess);
$couplflush = mysql_real_escape_string($couplflush);
$motorweight = mysql_real_escape_string($motorweight);
$motorfreq = mysql_real_escape_string($motorfreq);
$application = mysql_real_escape_string($application);
$appdesc = mysql_real_escape_string($appdesc);
$specinstruc = mysql_real_escape_string($specinstruc);
$reasonserv = mysql_real_escape_string($reasonserv);
$obviousdamage = mysql_real_escape_string($obviousdamage);
$cussupplyprod = mysql_real_escape_string($cussupplyprod);




$sql="INSERT INTO motor_checkin (cname, job, apptype, priority, daterec, datereq, po, authby, phone, fax, motorplantnumber, quoted, incomphoto, repvalue, eyebolt, motorassem,  conduitbox, conboxpos, coupler, couplexten, couplrecess, couplflush, motorweight, motorfreq, application, appdesc, specinstruc, reasonserv, obviousdamage, cussupplyprod)
VALUES
('$_GET[cname]','$_GET[job]','$_GET[apptype]','$_GET[priority]','$_GET[daterec]', '$_GET[datereq]','$_GET[po]','$_GET[authby]','$_GET[phone]','$_GET[fax]','$_GET[motorplantnumber]', '$_GET[quoted]','$_GET[incomphoto]','$_GET[repvalue]','$_GET[eyebolt]','$_GET[motorassem]','$_GET[conduitbox]','$_GET[conboxpos]','$_GET[coupler]','$_GET[couplexten]','$_GET[couplrecess]', '$_GET[couplflush]','$_GET[motorweight]','$_GET[motorfreq]','$_GET[application]','$_GET[appdesc]', '$_GET[specinstruc]','$_GET[reasonserv]','$_GET[obviousdamage]','$_GET[cussupplyprod]')";



if (!mysql_query($sql,$con));
  {
  die('Error: ' . mysql_error());
  }
header("Location: /");

mysql_close($con);
?>

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html>
<head>
    <META http-equiv="Content-Typetext/html; charset=iso-8859-1">
<title>Kalen Electric Repair Packet</title>
<link rel="stylesheet" type="text/css" href="qcstyle.css" />
<link rel="icon" href="images/favicon.ico" />
<!-- This conditional is for IE8 and IE6 and earlier- 8 needs that display:table     -->
<!--[if !IE 7]>
<style type="text/css">
    #wrap {display:table;height:100%}
</style>
<![endif]-->
<script type="text/javascript">
    function showUser(str)
        {
            if (str=="")
                {
                    document.getElementById("txtHint").innerHTML="";
                    return;
                }
            if (window.XMLHttpRequest)
                {// code for IE7+, Firefox, Chrome, Opera, Safari
                    xmlhttp=new XMLHttpRequest();
                }
            else
                {// code for IE6, IE5
                     xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
                }
                    xmlhttp.onreadystatechange=function()
                {
            if 
                    (xmlhttp.readyState==4 && xmlhttp.status==200)
                {
                    document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
                }
                }
                    xmlhttp.open("GET","insert.php?q="+str,true);
                    xmlhttp.send();
                }
    function loadXMLDoc()
        {

        }
</script>
</head>
<body>
<div id="wrap">  <!-- This wrap div needs to encompass everything except the footer div at bottom -->

<div id="header">
        <div id="logo"> <!-- this extra div is just centering the fixed width area of the header content -->

            <a href="../index.html"><img src="images/logo.png" alt="Kalen Electric and Machinery Inc Quality Control" class="logo"/></a>


        </div>
    </div>

    <div id="main"> 

    <!-- Inside this main div we are floating the content to the left and the sidebar to the right  -->

        <div id="content">

            <h1>Motor Check&#45;In&#58;</h1>
            <form action="insert.php" method="post" id="horizontalForm">
                <div class="box">
                    <fieldset>
                        <label>
                            <span>Customer&#58;</span>
                         <select class="cname" name="cname"><option value="">Select One</option> <option value="GP Wauna">GP Wauna</option> <option value="GP Toledo">GP Toledo</option> <option value="GP Camas">Gp Camas</option></select>
                        </label>
                        <label>
                        <span>Job Number&#58;</span>
                            <input class="job" type="integer" name="job" onClick="this.value=''"/>
                        </label>
                        <label>
                            <button type="button" onclick="loadXMLDoc()">New Job</button>
                        </label>
                    </fieldset>
                    <fieldset>
                        <label>
                                <span>Apparatus Type&#58 </span>
                            <select class="apptype" name="apptype"> <option value="AC Motor">AC Motor</option> <option value="AC Motor 1ph">AC Motor 1ph</option> <option value="AC Motor/Gearhead">AC Motor/Gearhead</option> 
                                <option value="AC Welder">AC Welder</option> <option value="AC Submersible">AC Submersible</option> <option value="Stator Only">Stator Only</option> 
                                <option value="Service Call">Service Call</option> <option value="AC Generator">AC Generator</option></select>
                        </label>
                        <label>
                        <span>Priority&#58;</span>
                        <select class="priority" name="priority"> <option value="P1">P1</option> <option value="P2">P2</option> <option value="P3">P3</option></select>
                    </label>
                </fieldset>
                <fieldset>
                    <label> 
                        <span>Date Received&#58;</span>
                        <input class="daterec" type="date" size="12" maxlength="10" name="daterec" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>Date Required&#58;</span>
                        <input class="datereq" type="date" size="12" maxlength="10" name="datereq" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>PO&#35;&#58;</span>
                        <input class="po" type="text" size="12" maxlength="20" name="po" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>Authorized By&#58;</span>
                        <input class="authby" type="text" size="12" maxlength="30" name="authby" onClick="this.value=''"/>
                    </label>
                </fieldset>
                <fieldset>
                    <label>
                        <span>Phone&#35;&#58;</span>
                        <input class="phone" type="text" size="12" maxlength="12" name="phone" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>Fax&#35;&#58;</span>
                        <input class="fax" type="text" size="12" maxlength="12" name="fax" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>Motor Plant&#35;&#58;</span>
                        <input class="motorplantnumber" type="text" size="12" maxlength="20" name="motorplantnumber" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>Quoted&#58;</span>
                        <select class="quoted" name="quoted"> <option value="No">No</option> <option value="Yes">Yes</option></select>
                    </label>
                </fieldset>
                <fieldset>
                    <label>                 
                        <span>Incoming Photo As Received&#58;</span>
                        <select class="incomphoto" name="incomphoto"> <option value="No">No</option> <option value="Yes">Yes</option></select>
                    </label>
                    <label>
                        <span>Replacement Value&#58;</span>
                        <input class="repvalue" type="text" size="12" maxlength="7" name="repvalue" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>Eye&#45;Bolt&#58</span>
                        <select class="eyebolt" name="eyebolt"> <option value="Good">Good</option> <option value="Bad">Bad</option> <option value="None">None</option></select>
                    </label>
                </fieldset>
                <fieldset>
                    <label>
                        <span>Motor Assembly&#58;</span>
                        <select class="motorassem" name="motorassem"> <option value="F1">F1</option> <option value="F2">F2</option> <option value="Vertical">Vertical</option></select>
                    </label>
                    <label>
                        <span>Conduit Box&#58;</span>
                    <select class="conduitbox" name="conduitbox"> <option value="Full">Full</option> <option value="Half">Half</option> <option value="None">None</option></select>
                    </label>
                    <label>
                        <span>Conduit Box Position&#58;</span>
                        <select class="conboxpos" name="conboxpos"> <option value="3:00">3:00</option> <option value="6:00">6:00</option> <option value="9:00">9:00</option> <option value="12:00">12:00</option> </select>
                    </label>
                </fieldset>
                <fieldset>
                    <label>     
                        <span>Coupler&#47;Pulley&#58;</span>
                        <select class="coupler" name="coupler"> <option value="Coupler">Coupler</option> <option value="Pulley">Pulley</option> <option value="None">None</option> </select>
                    </label>
                    <label>
                        <span>Extended&#58;</span>
                        <input class="couplexten" type="text" size="12" maxlength="10" name="couplexten" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>Recessed&#58;</span>
                        <input class="couplerecess" type="text" size="12" maxlength="10" name="couplrecess" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>Flush&#58;</span>
                        <input class="couplflush" type="text" size="12" maxlength="10" name="couplflush" onClick="this.value=''"/>
                    </label>
                </fieldset>
                <fieldset>
                    <label>
                        <span>Motor Weight&#58;</span>
                        <input class="motorweight" type="text" size="12" maxlength="10" name="motorweight" onClick="this.value=''"/>
                    </label>
                    <label>
                        <span>Motor On Frequency Drive&#58;</span>
                        <select class="motorfreq" name="motorfreq"> <option value="Yes">Yes</option> <option value="No">No</option> </select>
                    </label>
                </fieldset>
                <fieldset>
                    <label>
                        <span>Application&#58;</span>
                        <select class="application" name="application"> <option value="Direct Coupled">Direct Coupled</option> <option value="Belted">Belted</option> </select>
                    </label>
                    <label>
                        <span>Application Description&#58;</span>
                        <input class="appdesc" type="text" size="12" maxlength="100" name="appdesc" onClick="this.value=''"/>
                    </label>
                </fieldset>
                <fieldset>
                    <label>
                        <span>Special Instructions&#58;</span>
                        <input class="specinstruc" type="text" size="12" maxlength="255" name="specinstruc" onClick="this.value=''"/>
                    </label>
                </fieldset>
                <fieldset>
                    <label> 
                        <span>Reason For Service&#58;</span>
                        <input class="reasonserv" type="text" size="12" maxlength="255" name="reasonserv" onClick="this.value=''"/>
                    </label>
                </fieldset>
                <fieldset>
                    <label>
                        <span>Obvious Damaged or Missing Parts&#58;</span>
                        <input class="obviousdamage" type="text" size="12" maxlength="255" name="obviousdamage" onClick="this.value=''"/>
                    </label>
                </fieldset>
                <fieldset>
                    <label>
                        <span>Customer Supplied Product&#58;</span>
                        <input class="cussupplyprod" type="text" size="12" maxlength="255" name="cussupplyprod" onClick="this.value=''"/>
                    </label>
                </fieldset>
            <label>
            <input  type="submit" /><br />
            </label>
            </div>
        </form> 
    </div>
</div>
</div> <!-- close the wrap div here -->

<div id="footer">
    <div id="foot"> <!-- this extra div is just centering the fixed width area of the footer content -->
        <div id="left">
        <p>Kalen Electric and Machinery Inc.</p>
    </div>
    <div id="right">
        <p>AC Induction - Version 1.0</p>
    </div>
</div>
</div>

</body>
</html>

返されるエラー:

( ! ) Notice: Undefined index: q in C:\wamp\www\insert.php on line 2
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined variable: root in C:\wamp\www\insert.php on line 13
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined variable: sprocket in C:\wamp\www\insert.php on line 13
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: cname in C:\wamp\www\insert.php on line 16
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: job in C:\wamp\www\insert.php on line 17
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: apptype in C:\wamp\www\insert.php on line 18
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: priority in C:\wamp\www\insert.php on line 19
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: daterec in C:\wamp\www\insert.php on line 20
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: datereq in C:\wamp\www\insert.php on line 21
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: po in C:\wamp\www\insert.php on line 22
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: authby in C:\wamp\www\insert.php on line 23
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: phone in C:\wamp\www\insert.php on line 24
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: fax in C:\wamp\www\insert.php on line 25
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: motorplantnumber in C:\wamp\www\insert.php on line 26
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: quoted in C:\wamp\www\insert.php on line 27
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: incomphoto in C:\wamp\www\insert.php on line 28
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: repvalue in C:\wamp\www\insert.php on line 29
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: eyebolt in C:\wamp\www\insert.php on line 30
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: motorassem in C:\wamp\www\insert.php on line 31
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: conduitbox in C:\wamp\www\insert.php on line 32
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: conboxpos in C:\wamp\www\insert.php on line 33
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: coupler in C:\wamp\www\insert.php on line 34
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: couplexten in C:\wamp\www\insert.php on line 35
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: couplrecess in C:\wamp\www\insert.php on line 36
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: couplflush in C:\wamp\www\insert.php on line 37
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: motorweight in C:\wamp\www\insert.php on line 38
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: motorfreq in C:\wamp\www\insert.php on line 39
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: application in C:\wamp\www\insert.php on line 40
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: appdesc in C:\wamp\www\insert.php on line 41
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: specinstruc in C:\wamp\www\insert.php on line 42
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: reasonserv in C:\wamp\www\insert.php on line 43
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: obviousdamage in C:\wamp\www\insert.php on line 44
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: cussupplyprod in C:\wamp\www\insert.php on line 45
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: cname in C:\wamp\www\insert.php on line 85
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: job in C:\wamp\www\insert.php on line 85
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: apptype in C:\wamp\www\insert.php on line 85
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: priority in C:\wamp\www\insert.php on line 85
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: daterec in C:\wamp\www\insert.php on line 85
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: datereq in C:\wamp\www\insert.php on line 86
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: po in C:\wamp\www\insert.php on line 86
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: authby in C:\wamp\www\insert.php on line 86
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: phone in C:\wamp\www\insert.php on line 86
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: fax in C:\wamp\www\insert.php on line 86
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: motorplantnumber in C:\wamp\www\insert.php on line 86
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: quoted in C:\wamp\www\insert.php on line 87
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: incomphoto in C:\wamp\www\insert.php on line 87
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: repvalue in C:\wamp\www\insert.php on line 87
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: eyebolt in C:\wamp\www\insert.php on line 87
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: motorassem in C:\wamp\www\insert.php on line 87
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: conduitbox in C:\wamp\www\insert.php on line 88
Call Stack
#   Time    Memory  Function    Location
1   0.0006  744072  {main}( )   ..\insert.php:0

( ! ) Notice: Undefined index: conboxpos in C:\wamp\www\insert.php on line 88
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#   Time    Memory  Function    Location
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4

5 に答える 5

4

答えは通知自体にあります。のエントリがqクエリ文字列に存在しません。

エラー処理と入力検証を構築して、適切な変数が存在することを確認することをお勧めします。

$q = (isset($_GET['q']) ? $_GET['q'] : null);

複数の変数を設定および参照しているため、対応する変数を渡すことができる関数を作成することをお勧めします。これは、対応する変数の存在をチェックするだけでなく、クエリで使用するために変数をエスケープします。

<?php 
function varExist($var){    
     return (isset($_GET[$var]) ? mysql_real_escape_string($_GET[$var]) : null);     
} 
$q = varExist('q'); 
...    
?>

ドキュメントごとに注意してください：

この拡張機能の使用はお勧めできません。代わりに、MySQLi または PDO_MySQL 拡張機能を使用する必要があります。詳細については、MySQL: API ガイドの選択および関連する FAQ も参照してください。この機能の代替手段は次のとおりです。

■mysqli_real_escape_string() ■PDO::quote()

推奨される代替mysqli_real_escape_string()に関する追加のドキュメントがあり、確認することができます。

于 2012-06-27T19:56:50.493 に答える
2

基本的に、すべての変数は空です。コードの最初で必ず初期化してください。これにより、未定義のインデックスの警告が表示されなくなります。

$q = '';
$cname = '';
...etc

サイドノート

これは本当に危険です。SQL の実行時に $_Get を使用しないでください。ユーザーはその方法で sql インジェクション攻撃を実行できます。

INSERT ... Values ('$_GET[cname]','$_GET[job]'

はるかに良い

$cname = mysql_real_escape_string($cname);
$job = mysql_real_escape_string($job);
Insert ... Values (' . $cname . ', ' . $job . '
于 2012-06-27T19:57:47.740 に答える
1

これらはすべて通知であり、エラーではありません。ほとんどの場合、新しい PHP インストールではエラー報告レベルが厳しくなり、以前のコンピューターでは同じ通知が抑制されていました。

通知自体は、フォームがまだ送信されていないか、フォーム データが送信されていない他の関連する問題があることを意味します。

于 2012-06-27T19:55:56.080 に答える
0

変数 (「q」、「root」、「sprocket」など) は別のページから取得する必要があるため、$_GET 呼び出しが必要です。最初にフォームを実行してみましたか? このページを単にロードしている場合、変数は入力されません。

于 2012-06-27T19:56:42.427 に答える
0

あなたの場合、これは行くべき道かもしれません：スクリプトの最初の行でこれを設定してください：

// Report all errors except E_NOTICE
error_reporting(E_ALL ^ E_NOTICE);

これは単に「エラー」メッセージを出力しません。これはコーディングの良い方法ではありませんが、この場合は最善の迅速で汚れたソリューションです。

于 2012-06-27T19:59:34.940 に答える