as3，MySQL PHP连接

Question

am trying to connect my flash project with database. However, i want to be able to submit and retrieve data from database having 3 fields (name, score and date). My problem is that if I click submit button and when i go to check in database i only see 0 score meaning nothing is submitted. Can someone help me on this. Tq Here is my coding for flash:

var str:String = "";
var myscore = 0;
btn_submit.addEventListener(MouseEvent.CLICK, submitted);

function submitted(e:MouseEvent)
{
var myrequest:URLRequest = new URLRequest("http://127.0.0.1/Y/sendscore.php");
myrequest.method = URLRequestMethod.POST;
var variables:URLVariables = new URLVariables();
variables.name = str;
variables.score = myscore;
myrequest.data = variables;
var loader:URLLoader = new URLLoader();
loader.dataFormat = URLLoaderDataFormat.VARIABLES;
loader.addEventListener(Event.COMPLETE, dataOnLoad);
loader.load(myrequest);
}

function dataOnLoad(evt:Event)
{
MC_success.alpha=100;
//status is a custom flag passed from back-end 
}

MY PHP CODE FOR SENDING DATA;

<?php
    //Include database connection details
    require_once('config.php');

        //Connect to mysql server
    $link = mysql_connect(DB_HOST, DB_USER, DB_PASSWORD);
    if(!$link) {
        die('Failed to connect to server: ' . mysql_error());
    }

    //Select database
    $db = mysql_select_db(DB_DATABASE);
    if(!$db) {
        die("Unable to select database");
    }

//Function to sanitize values received from the form. Prevents SQL injection
    function clean($str) {
        $str = @trim($str);
        if(get_magic_quotes_gpc()) {
            $str = stripslashes($str);
        }
        return mysql_real_escape_string($str);
    }

    //Sanitize the POST values
    $name = clean($_POST['name']);
    $score = clean($_POST['score']);
        $currentdate = date("Y/m/d");

    //Create INSERT query
    $qry = "INSERT INTO highscores(user, score, date) VALUES('$name','$score','$currentdate')";
    $result = @mysql_query($qry);
echo "writing=Ok";
exit();
mysql_close();  

?>

MY PHP CODE TO RETRIEVE DATA;

<?php   
    //Include database connection details
    require_once('config.php');

        //Connect to mysql server
    $link = mysql_connect(DB_HOST, DB_USER, DB_PASSWORD);
    if(!$link) {
        die('Failed to connect to server: ' . mysql_error());
    }

    //Select database
    $db = mysql_select_db(DB_DATABASE);
    if(!$db) {
        die("Unable to select database");
    }

    //Create INSERT query
    $qry = "SELECT * FROM highscores ORDER BY score ASC";
    $result = @mysql_query($qry);
        $num=mysql_numrows($result);
if($num > 10)
{$num = 10;}
//echo "writing=Ok";

echo "<b><center>Best Times:</center></b><br /><table>";

$i=0;
$i2=1;
while ($i < $num) {

$name=mysql_result($result,$i,"user");
$time=mysql_result($result,$i,"score");
$date=mysql_result($result,$i,"date");


echo "<tr><td align=left valign=top>$i2.</td><td align=center valign=top><b>$name</b> | $score | $date</td></tr><tr><td colspan=2><hr></td></tr>";
$i2++;
$i++;
}
echo "</table>";
//$urlRefresh = "scores.php";
//header("Refresh: 15; URL=\"" . $urlRefresh . "\"");

exit();
mysql_close();


?>

Answer 1

Unless you've missed out some piece of code whereby the score is changed, you're actually declaring var myscore = 0 right at the top of your AS3 code block.

The first thing would be to change that to 100 , then run you script and see if that modified score variable is getting submitted. If it is, then everything is working as it should.

Update:

You've changed your question, and you want to be able to load data. You already have a function set up for this via loader.addEventListener(Event.COMPLETE, dataOnLoad) . You just need to grab the data your PHP script is sending back. This can be accessed via your evt parameter in the dataOnLoad function:

function dataOnLoad(evt:Event):void {   
    trace("Data submission complete");
    var returnVars = evt.target.data;

    trace("***********************");

    for (var myVars in returnVars) {
        trace(myVars + ": " + returnVars[myVars]);
    }

    trace("***********************");
}

Update 2:

You've requested help with loading your scores from the database. As you already have a PHP file that retrieves this from the database (let's assume it's called scores.php ),m you just need a function in Flash to load it.

You already have the basic functions in place, making use of URLLoader and Event Listeners. You just need these to apply to a straightforward load:

btn_scores.addEventListener(MouseEvent.CLICK, loadScores);

function loadScores(e:MouseEvent):void {
    var fileLoader:URLLoader = new URLLoader();
    fileLoader.addEventListener(Event.COMPLETE, scoresLoadComplete);

    fileLoader.load(new URLRequest("scores.php"));
}

function scoresLoadComplete(evt:Event):void {
    try {
        var returnVars = evt.target.data;

        trace("***********************");
        for (var myVars in returnVars) {
            trace(myVars + ": " + returnVars[myVars]);
        }
        trace("***********************");
    } catch (err:Error) {
        trace("Can't parse loaded file: " + err.message);
    }
}

Note that your PHP file currently returns an HTML table of results. This won't behave in Flash; you'd be much better off sending through key/value pairs and parsing them or just a basic HTML list of scores.