2016-04-10 24 views
1

doldurmazsa sql "NULL" sözcüğü otomatik olarak atamak için, formdaki veriler sql ...
tabloya hiçbir şey gönderilemeyen doldurulmamış metin alanına gönderilir .... kullanıcı formu anyhting doldurunuz yoksa oto sql kelime "BOŞ" nasıl atanacağı .... burada kullanıcı formu göndermeden sonra kullanıcı

benim php form kodları

<?php 
// Start the session 
session_start(); 
?> 

<!DOCTYPE html> 
<html lang="en"> 
<head> 

<script> 
function disableSubmit() { 
    document.getElementById("submit").disabled = true; 
} 

    function activateButton(element) { 

     if(element.checked) { 
     document.getElementById("submit").disabled = false; 
     } 
     else { 
     document.getElementById("submit").disabled = true; 
     } 

    } 
</script> 
     <title>Page Title Goes Here</title> 
     <meta charset="utf-8"> 
     <link rel="stylesheet" type="text/css" href="form1.css"/> 

</head> 

<title>Page Title Goes Here</title> 
<meta charset="utf-8"> 
<link rel="stylesheet" type="text/css" href="form1.css"/> 
<body onload="disableSubmit()"> 

<?php 

//define variable and set to empty value 

$forenameErr = $surnameErr = $emailErr = $postalAddressErr = $landLineTelNoErr = $mobileTelNoErr = $sendMethodErr = $checkErr =""; 
$valid = true; 

// if forename is null , make it null , else test_input() 
$forename = empty($_POST["forename"]) ? NULL : test_input($_POST["forename"]); 

// if surname is null , make it null , else test_input() 
$surname = empty($_POST["surname"]) ? NULL : test_input($_POST["surname"]); 

// if postalAddress is null , make it null , else test_input() 
$postalAddress = empty($_POST["postalAddress"]) ? NULL : test_input($_POST["postalAddress"]); 

// if landLineTelNo is null , make it null , else test_input() 
$landLineTelNo = empty($_POST["landLineTelNo"]) ? NULL : test_input($_POST["landLineTelNo"]); 

// if mobileTelNo is null , make it null , else test_input() 
$mobileTelNo = empty($_POST["mobileTelNo"]) ? NULL : test_input($_POST["mobileTelNo"]); 

//email 
$email = empty($_POST["email"]) ? NULL : test_input($_POST["email"]); 

// if sendMethod is null , make it null , else test_input() 
$sendMethod = empty($_POST["sendMethod"]) ? NULL : test_input($_POST["sendMethod"]); 

//check 
function test_input($data) { 
    $data = trim($data); 
    $data = stripslashes($data); 
    $data = htmlspecialchars($data); 
    return $data; 
} 

    if (isset($_POST["submit"])){ 


     //check forename 
     if($forename === NULL) { 
      //forename is empty 
      $forenameErr = "*Forename is required"; 
      $valid = false; 

     } else { 
      //check characters 
      if (!preg_match("/^[a-zA-Z ]*$/",$forename)) { 
       $forenameErr = "Only letters and white space allowed"; 
       $valid = false; 
      } 
     } 

     //check surname 
     if($surname === NULL){ 
      //surname is empty 
      $surnameErr = "*Surname is required"; 
      $valid = false; //false 

     } else { 
      //check charaters 
      if (!preg_match("/^[a-zA-Z ]*$/",$surname)) { 
      $surnameErr = "*Only letters and white space allowed"; 
      $valid = false; 
      } 
     } 

     //check address 
     if (!preg_match("/^[a-zA-Z0-9\-\\,. ]*$/", $postalAddress)) { 
        // check characters 
        $postalAddressErr = "*Invalid Postal Address"; 
        $valid = false;//false 
     } 


      // check if invalid telephone number added 
      if (!preg_match("/^$|^[0-9]{12}$/",$landLineTelNo)) { 
       //check number 
        $landLineTelNoErr = "*Only 12 digit number can be entered"; 
        $valid = false;//false 
      } 


      //check valid mobiel tel no 
      if (!preg_match("/^$|^[0-9]{11}$/",$mobileTelNo)) { 
       //check number 
        $mobileTelNoErr = "*Only 11 digit number can be entered"; 
        $valid = false;//false 
      } 


     //check valid email 
      if (isset($email) && !filter_var($email, FILTER_VALIDATE_EMAIL)) 
      { $emailErr = "*Invalid email format"; 
       $valid = false;//false 
      } 


     //check sendMethod 
     if($sendMethod === NULL){ 
      //send method is empty 
      $sendMethodErr = "*Contact method is required"; 
      $valid = false; //false 
     } else { 
      $sendMethod = test_input($_POST["sendMethod"]); 
     } 

     //sendmethod link to information filled 
     if (isset($sendMethod) && $sendMethod=="email" && $email ==NULL){ 
      $emailErr ="*Email is required "; 
      $valid = false; 
     } 

     if (isset($sendMethod) && $sendMethod=="post" && $postalAddress ==NULL){ 
      $postalAddressErr ="*Postal Address is required "; 
      $valid = false; 
     } 

     if (isset($sendMethod) && $sendMethod=="SMS" && $mobileTelNo ==NULL){ 
      $mobileTelNoErr ="*Mobile number is required "; 
      $valid = false; 
     } 

     if(empty($_POST['agree']) || $_POST['agree'] != 'agree') { 
     $checkErr ="Please indicate that you have read and agree to the Terms and Conditions and Privacy Policy"; 
     } 


    //connect to sql 
    if($valid){ 

    /* SQL code starts */ 

    $con = mysqli_connect("localhost", "root", "", "chollerton"); 

    if (mysqli_connect_errno()) { 
     echo "Failed to connect to MySQL: " . mysqli_connect_error(); 
    } 

    $sql = $sql = "INSERT INTO ct_expressedinterest (forename, surname, email, postalAddress, landLineTelNo, mobileTelNo ,sendMethod) VALUES ('$forename', '$surname', '$email', '$postalAddress', '$landLineTelNo', '$mobileTelNo' ,'$sendMethod')"; 
    $query = mysqli_query($con,$sql) or die(mysqli_error($con)); 


    //if valid then redirect 
    if($valid){ 

     $_SESSION['forename'] = $forename; 
     $_SESSION['surname'] = $surname; 
     $_SESSION['email'] = $email; 
     $_SESSION['postalAddress'] = $postalAddress; 
     $_SESSION['landLineTelNo'] = $landLineTelNo; 
     $_SESSION['mobileTelNo'] = $mobileTelNo; 
     $_SESSION['sendMethod'] = $sendMethod; 

     header('Location: userdetail.php'); 
     exit(); 
     }else {echo "Unable to insert"; 
     } 
    } else{ 
     //user did not submit form! 
    } 


    } 
?> 


<div id="wrapper"> 

<h1>Welcome to Chollerton Tearoom! </h1> 

<nav> 
    <ul> 
     <li><a href="index.html">Home</a></li> 
     <li><a href="findoutmore.html">Find out more</a></li> 
     <li><a href="offer.html">Offer</a></li> 
     <li><a href="credit.html">Credit</a></li> 
     <li><a href="#">Admin</a></li> 
     <li><a href="wireframe.html">WireFrame</a></li> 
    </ul> 
</nav> 

<form id = "userdetail" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>" method="POST"> 

    <fieldset id="aboutyou"> 
    <legend id="legendauto">user information</legend> 

     <p> 
     <label for="forename">Forename: </label> 
     <input type="text" name="forename" id="forename" value="<?php echo $forename;?>"> 
     <span class="error"> <?php echo $forenameErr;?></span> 
     </p> 

     <p> 
     <label for="surname">Surname:</label> 
     <input type="text" name="surname" id="surname" value="<?php echo $surname;?>"> 
     <span class="error"> <?php echo $surnameErr;?></span> 
     </p> 

     <p> 
     <label for="postalAddress">Postal Address:</label> 
     <input type="text" name="postalAddress" id="postalAddress" value="<?php echo $postalAddress;?>"> 
     <span class="error"> <?php echo $postalAddressErr;?></span> 
     </p> 

     <p> 
     <label for="landLineTelNo">Landline Telephone Number:</label> 
     <input type="text" name="landLineTelNo" id="landLineTelNo" value="<?php echo $landLineTelNo;?>" > 
     <span class="error"> <?php echo $landLineTelNoErr;?></span> 
     </p> 

     <p> 
     <label for="mobileTelNo">Moblie:</label> 
     <input type="text" name="mobileTelNo" id="mobileTelNo" value="<?php echo $mobileTelNo;?>" > 
     <span class="error"> <?php echo $mobileTelNoErr;?></span> 
     </p> 

     <p> 
     <label for="email">E-mail:</label> 
     <input type="text" name="email" id="email" value="<?php echo $email;?>"> 
     <span class="error"> </span> <?php echo $emailErr;?> </span> 
     </p> 

     <fieldset id="future"> 
     <legend>Lastest news</legend> 

     <p> 
     Choose the method you recommanded to recevive the lastest information 
     </p> 
     <br> 
     <input type="radio" name="sendMethod" <?php if (isset($sendMethod) && $sendMethod=="email") echo "checked";?> value="email"> 
     Email 
     <input type="radio" name="sendMethod" <?php if (isset($sendMethod) && $sendMethod=="post") echo "checked";?> value="post"> 
     Post 
     <input type="radio" name="sendMethod" <?php if (isset($sendMethod) && $sendMethod=="SMS") echo "checked";?> value="SMS"> 
     SMS 
     <span class="error"> <?php echo $sendMethodErr;?></span> 
     </fieldset> 

     <p><span class="error">* required field.</span></p> 

     <input type="checkbox" name="terms" id="terms" onchange="activateButton(this)"> 
     I Agree Terms & Coditions 
     <br><br> 
     <input type="submit" name="submit" id="submit"> 


    </fieldset> 
</form>  



</div> 



</body> 
</html> 
yılında

cevap

1

aşağıdadır veritabanı, belirli alanın varsayılan değeri nedir?

Varsayılan olarak NULL olarak ayarlanmalıdır. Bu durumda, söz konusu alana herhangi bir veri eklemiyorsanız NULL ekleyecektir.

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