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我試圖用php，ajax和jquery製作一個非常基本的瀏覽器MMORPG。然而，網頁似乎沒有正確地與MySQL服務器交互。JQuery Ajax不與MySQL進行交互
這裏是我的PHP類，它定義了一些SQL函數：
<?php
class Db {
protected static $connection;
public function connect() {
if(!isset(self::$connection)) {
$config = parse_ini_file('config.ini');
self::$connection = new mysqli('localhost',$config['username'],$config['password'],$config['dbname']);
}
if(self::$connection === false) {
return false;
}
return self::$connection;
}
public function query($query) {
$connection = $this -> connect();
$result = $connection -> query($query);
return $result;
}
public function select($query) {
$rows = array();
$result = $this -> query($query);
if($result === false) {
return false;
}
while ($row = $result -> fetch_assoc()) {
$rows[] = $row;
}
return $rows;
}
public function error() {
$connection = $this -> connect();
return $connection -> error;
}
public function quote($value) {
$connection = $this -> connect();
return "'" . $connection -> real_escape_string($value) . "'";
}
public function close()
{
mysqli_close(self::$connection);
}
}
?>
隨着config.ini文件引用它：
[database]
username = root
password = ***
dbname = ***
（密碼和數據庫名已被省略，但我已經檢查它們是否正確。）
這是我的validation.php文件，登錄使用：
<?php
include 'DbClass.php';
$db = new Db();
$name= = $db -> quote($_POST['user_name']);
$pass=md5($db -> quote($_POST['password']));
$rows = $db -> select("select * from players where name=" . $name . " and password=" . $pass);
if($rows)
{
echo json_encode("1");
}
else
{
echo json_encode("0");
}
?>
這裏是登錄JavaScript文件，其中包含在我的索引頁上調用的函數。
function login()
{
$("#msgbox").removeClass().addClass('messagebox').text('Validating....').fadeIn(1000);
$.ajax({
url : 'scripts/php/validation.php',
type : 'POST',
data : { user_name:$('#username').val(),password:$('#password').val()
},
dataType:'json',
success : function(data) {
if(data == 1)
{
$("#msgbox").fadeTo(200,0.1,function()
{
$(this).html('Logging in...').addClass('alert alert-success').fadeTo(900,1,
function()
{
buildPage();
});
});
}
else
{
$("#msgbox").fadeTo(200,0.1,function()
{
$(this).html('Your login details are incorrect').addClass('alert alert-danger').fadeTo(900,1);
});
}
}
});
}
function registration()
{
document.getElementById("registerBox").innerHTML = "<form class='form-horizontal' method='post' action='' id='register_form'>" +
"<div class='row'><div class='col-md-6 column'><div class='control-group'>" +
"<label class='control-label' for='username'>Username</label><div class=''controls'>" +
"<input type='text' id='registerUsername' placeholder='Username'>" +
"</div></div>" +
"<div class='control-group'>" +
"<label class='control-label' for='password'>Password</label>" +
"<div class='controls'>" +
"<input type='password' id='registerPassword' placeholder='Password'>" +
"</div><br></div>" +
"<div class='control-group'>" +
"<label class='control-label' for='rePassword'>Retype Password</label>" +
"<div class='controls'>" +
"<input type='password' id='rePassword' placeholder='Retype Password'>" +
"</div><br></div><div id='registerMsgbox'></div></div>" +
"<div class='col-md-3 column'>" +
"<b><u>Choose a Class</b></u><br><div id='characters'></div>" +
"</div></div>" +
"<div class='control-group'>" +
"<div class='controls'>" +
"<input name='Submit' type='button' onclick='javascript:register()' value='Register' class='btn btn-success'/>" +
"</div></div></form>";
$.ajax({
url : 'scripts/php/getCharacters.php',
type : 'POST',
data : {type:'classes'
},
dataType:'json',
success : function(data) {
buildClasses(data);
}
});
}
function loginPage()
{
document.getElementById("registerBox").innerHTML = "<form class='form-horizontal' method='post' action='' id='login_form'>" +
"<div class='control-group'>" +
"<label class='control-label' for='username'>Username</label>" +
"<div class='controls'>" +
"<input type='text' id='username' placeholder='Username'></div></div>" +
"<div class='control-group'> " +
"<label class='control-label' for='password'>Password</label>" +
"<div class='controls'>" +
"<input type='password' id='password' placeholder='Password'>" +
"</div><br>" +
"<div id='msgbox'></div></div>" +
"<div class='control-group'>" +
"<div class='controls'>" +
"<input name='Submit' type='button' onclick='javascript:login()' value='Login' class='btn btn-success'/> " +
"<input name='Submit' type='button' onclick='javascript:registration()' value='Register' class='btn btn-success'/>" +
"</div>" +
"</div>" +
"</form></div><div class='modal-footer'></div>";
}
function buildClasses(data)
{
var characterDiv = "";
for(var i = 0; i < data.length; i++)
{
characterDiv += "<div class='characterBox'><input type='radio' name='radioClasses' value='" + data[i].id + "'><img src='media/characters/heroTiles/" + data[i].pic + ".png'>" + data[i].name + "</div>";
}
document.getElementById("characters").innerHTML = characterDiv;
}
我也有一個註冊腳本，不會做任何事情到數據庫要麼，但我想對於具有覆蓋的頁面，可能不要求張貼更少的代碼的緣故，因爲我承擔問題是在我的數據庫函數類或這些其他地方之一。
嗯，我無法從描述中提取問題......它是什麼？ – sitilge
@sitilge查詢結果沒有找到返回頁面的方式（並且在我的註冊頁面中，新信息未被添加到數據庫中。） –
結果是什麼？ – sitilge