我正在尝试在我的项目上处理我的登录模块,但它总是返回
响应不包含任何数据。
我认为问题是我的 DB_Functions.php ,因为我可以浏览 index.php 。
DB_Functions.php
的代码<?php
class DB_Functions {
private $db;
//put your code here
// constructor
function __construct() {
require_once 'DB_Connect.php';
// connecting to database
$this->db = new DB_Connect();
$this->db->connect();
}
// destructor
function __destruct() {
}
public function getUserByEmailAndPasswordStudent($studentno, $password) {
$result = mysql_query("SELECT * FROM students WHERE student_no = '$studentno'") or die(mysql_error());
// check for result
$no_of_rows = mysql_num_rows($result);
if ($no_of_rows > 0) {
$result = mysql_fetch_array($result);
$pass = $result['password'];
// check for password equality
if ($pass == $password) {
// user authentication details are correct
return $result;
}
} else {
// user not found
return false;
}
}
}
index.php
的代码<?php
if (isset($_POST['tag']) && $_POST['tag'] != '' && $_POST['tag'] != '') {
// get tag
$tag = $_POST['tag'];
// include db handler
require_once 'include/DB_Functions.php';
$db = new DB_Functions();
// response Array
$response = array("tag" => $tag, "error" => FALSE);
// check for tag type
if ($tag == 'studentlogin') {
// Request type is check Login
$studentno = $_POST['studentno'];
$password = $_POST['password'];
// check for user
$user = $db->getUserByEmailAndPasswordStudent($studentno, $password);
if ($user != false) {
// user found
$response["error"] = FALSE;
$response["user"]["studentid"] = $user["studentid"];
$response["user"]["fname"] = $user["fname"];
$response["user"]["mname"] = $user["mname"];
$response["user"]["lname"] = $user["lname"];
$response["user"]["student_no"] = $user["studentno"];
$response["user"]["grade_level"] = $user["gradelevel"];
$response["user"]["sectionid"] = $user["sectionid"];
echo json_encode($response);
} else {
// user not found
// echo json with error = 1
$response["error"] = TRUE;
$response["error_msg"] = "Incorrect email or password!";
echo json_encode($response);
}
}
} else {
$response["error"] = TRUE;
$response["error_msg"] = "Required parameter 'tag' is missing!";
echo json_encode($response);
}
?>
我的代码有什么问题?
答案 0 :(得分:1)
$tag != 'studentlogin'
时条件没有if ($tag == 'studentlogin') {
/* your code here*/
} else {
echo json_encode($response);
}
,因为在这种情况下你没有回应任何东西。你的代码应该是这样的:
error_reporting(E_ALL)
如果此解决方案无法帮助您在文件顶部添加{{1}}并将调试输出添加到您的问题中。