Php 为什么“区域”组合框中的选定项目没有'；t添加到我的MySQL数据库中 print\r（$\u POST）的结果是什么何时提交表单？另外，您在哪个浏览器中进行测试？请查看此echo$stmt->queryString执行的查询@user790454

为什么“区域”组合框中的选定项目没有'；t添加到我的MySQL数据库中

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print\r（$\u POST）的结果是什么何时提交表单？另外，您在哪个浏览器中进行测试？请查看此
echo$stmt->queryString执行的查询
@user790454既然您已经使用它来调试自己的问题，您可能会对我编写此扩展的免责声明感兴趣。我正在使用Google Chrome和
print\r（$\u POST）
没有显示表单将数据提交到哪个页面的值？
<?php

require("config.inc.php");

//if posted data is not empty
if (!empty($_POST)) {

    if (empty($_POST['name']) || empty($_POST['mobilenumber']) || empty($_POST['address']) || empty($_POST['city'])  || empty($_POST['postcode']) || empty($_POST['state'])) {

        // Create some data that will be the JSON response 
        $response["success"] = 0;
        $response["message"] = "Please insert information in the required marked ** field.";
        die(json_encode($response));
    }

    else if (empty($_POST['email']) || empty($_POST['password'])) { 

        // Create some data that will be the JSON response 
        $response["success"] = 0;
        $response["message"] = "Please Enter Both a Username and Password.";

        die(json_encode($response));
    }

    else if (strlen($_POST['password']) < 6) {
    $response["success"] = 0;
        $response["message"] = "Your password should be at least 6 characters.";
    die(json_encode($response));               
    }

    else if ($_POST['password'] != $_POST['confirmpassword']){
        $response["success"] = 0;
        $response["message"] = "Confirm Password is not the same with Password you have entered.";
    die(json_encode($response));
    }

    else if (strlen($_POST['mobilenumber']) < 10) {
    $response["success"] = 0;
        $response["message"] = "Your mobile number should be at least 10 characters.";
    die(json_encode($response));               
    }

    else if (strlen($_POST['postcode']) != 5) {
    $response["success"] = 0;
        $response["message"] = "Your postcode can only have 5 numbers.";
    die(json_encode($response));
    }

    $query        = " SELECT 1 FROM user WHERE email = :email";
    $query_params = array(
        ':email' => $_POST['email']
    );

    //Now let's make run the query:
    try {
        // These two statements run the query against your database table. 
        $stmt   = $db->prepare($query);
        $result = $stmt->execute($query_params);
    }
    catch (PDOException $ex) {
        // For testing, you could use a die and message. 
        //die("Failed to run query: " . $ex->getMessage());

        //or just use this use this one to product JSON data:
        $response["success"] = 0;
        $response["message"] = "Database Error1. Please Try Again!";
        die(json_encode($response));
    }

    //fetch is an array of returned data.  If any data is returned,
    //we know that the username is already in use, so we murder our
    //page
    $row = $stmt->fetch();
    if ($row) {
        // For testing, you could use a die and message. 
        //die("This username is already in use");

        //You could comment out the above die and use this one:
        $response["success"] = 0;
        $response["message"] = "I'm sorry, this username is already in use";
        die(json_encode($response));
    }
    $query = "INSERT INTO user ( name, email, password, mobilenumber, address, city, postcode, state, position, cardbalance, zone) 
                        VALUES ( :name, :email, :password, :mobilenumber, :address, :city, :postcode, :state, :position, :cardbalance, :zone) ";

    //Again, we need to update our tokens with the actual data:
    $query_params = array(
        ':name' => $_POST['name'],
        ':email' => $_POST['email'],
        ':password' => $_POST['password'],
        ':mobilenumber' => $_POST['mobilenumber'],
        ':address' => $_POST['address'],
        ':city' => $_POST['city'],
        ':postcode' => $_POST['postcode'],
        ':state' => $_POST['state'],
        ':position' => $_POST['position'],
        ':cardbalance' => $_POST['cardbalance'],
        ':zone' => $_POST['zone']
    );

    //time to run our query, and create the user
    try {
        $stmt   = $db->prepare($query);
        $result = $stmt->execute($query_params);
    }
    catch (PDOException $ex) {
        // For testing, you could use a die and message. 
        //die("Failed to run query: " . $ex->getMessage());

        //or just use this use this one:
        $response["success"] = 0;
        $response["message"] = "Database Error2. Please Try Again!";
        die(json_encode($response));
    }

    $response["success"] = 1;
    $response["message"] = "Staff Successfully Added!";
    echo json_encode($response);

    //for a php webservice you could do a simple redirect and die.
    //header("Location: login.php"); 
    //die("Redirecting to login.php");

} else {
?>
    <h1>Staff Registration</h1> 
    <form action="register.php" method="post">
        Name:<br /> 
        <input type="text" name="name" value="" /> 
        <br /><br />     
        Email:<br /> 
        <input type="email" name="email" value="" /> 
        <br /><br />
        Password:<br /> 
        <input type="password" name="password" value="" /> 
        <br /><br />
        Confirm Password:<br /> 
        <input type="password" name="confirmpassword" value="" /> 
        <br /><br /> 
        Mobile Number:<br /> 
        <input type="text" name="mobilenumber" value="" /> 
        <br /><br />
        Address:<br /> 
        <input type="text" name="address" value="" /> 
        <br /><br /> 
        City:<br /> 
        <input type="text" name="city" value="" /> 
        <br /><br /> 
        Postcode:<br /> 
        <input type="text" name="postcode" value="" /> 
        <br /><br /> 
        State:<br /> 
        <input type="text" name="state" value="" /> 
        <br /><br />
        Position:<br />
        <input type="text" name="position" value="staff" readonly/> 
        <br /><br /> 
        Card Balance:<br />
        <input type="text" name="cardbalance" value="0" readonly/> 
        <br /><br /> 
        Zone Assignation:
        <select id='zone' name='zone'>
            <option value='1'>A</option>
            <option value='2'>B</option>
            <option value='3'>C</option>
            <option value='4'>D</option>
        </select>

        <br /><br /> 
        <input type="submit" value="Register New User" /> 
    </form>
    <?php
}

?>

        <select id='zone' name='zone'>
            <option value='1'>A</option>
            <option value='2'>B</option>
            <option value='3'>C</option>
            <option value='4'>D</option>
        </select>