添加用戶信息並在其他頁面中登錄信息

Question

所以我想在第一頁上進行注冊，即用戶將在其中輸入名稱，姓氏等的用戶信息，然后將其記錄到數據庫中，並重定向到用戶所在的帳戶信息頁輸入用戶名和密碼並記錄在另一個數據庫中，因此我必須對學生表（存儲所有信息的表）和用戶表（存儲帳戶信息的表），以便用戶的userID將是學生的外鍵，但是我無法將用戶的ID號放在存儲第一個頁面的學生表中，因此，如果我使用mysqli_insert_id，它可以將最后插入的用戶的ID插入到學生表中，但可以插入到下一個行而不是第一頁中最后輸入信息所在的行

第一頁中的代碼shs / functions / add.stud.php

   <?php
session_start();
include 'database.php';
if (isset($_POST['add'])) {
    echo "welcome";
}
$message = "Provide all information needed please";

$lname = $_POST['Lname'];
$fname = $_POST['Fname'];
$mname = $_POST['Mname'];
$email = $_POST['email'];
$grade = $_POST['grade'];
$strand = $_POST['strand'];
$section = $_POST['section'];
$status = $_POST['status'];

if (empty($lname) || empty($mname)) {
    header("Location:../pages/user.add.php?empty=put something, will ya?");
    exit();
}

else {
    $sql = "INSERT INTO student (lname, fname, mname, gmail, grade, track, section, status)
    VALUES ('$lname', '$fname', '$mname','$email', '$grade', '$strand', '$section', '$status')";
    $result = mysqli_query($conn, $sql);

}

然后在帳戶信息（用戶名，密碼）中

    <?php

  if (isset($_POST['users'])){
      include_once 'database.php';

      $uid = $_POST['uid'];
      $pass = $_POST['pass'];

      //pag check or pag handle sa mga errors sa pag log in
    if (empty($uid) || empty($pass))
    {
        header("location:../pages/user.add.php?signup=empty fields");
        exit();
    }  else {
        $sql = "SELECT * FROM 'user' WHERE username ='$uid'";
        $result = mysqli_query($conn, $sql);
        $resultCheck = mysqli_num_rows($result);

        if ($resultCheck < 0) {
            header("Location:.../user.add.php?the inputs are already taken");
            exit();
          }
          else {
              $hashedpass = password_hash($pass, PASSWORD_DEFAULT);
              //insert the new user to the user database
              $sql = "INSERT INTO user (userID, username, password) 
              VALUES (NULL, '$uid', '$hashedpass');";
              $result = mysqli_query($conn, $sql);
              //pag connect sa student database
                //katung sa database sa image
              $sql = "SELECT * FROM user WHERE username ='$uid'";
              $result = mysqli_query($conn, $sql);
                if (mysqli_num_rows($result) > 0){
                    while ($row = mysqli_fetch_assoc($result)){
                        $userid = $row['userID'];
                        $sql = "INSERT INTO profileimg (userID, status)
                        VALUES ('$userid', 1)";
                        if($result=mysqli_query($conn, $sql))
                        {
                            $last_id = mysqli_insert_id($conn);
                            $sql = "INSERT INTO student (userID) VALUES ('$last_id')";
                            $result = mysqli_query($conn, $sql);
                        }
                      else {
                        header("Location:.../user.add.php");
                        exit();
                      }
                        //pag add sa id sa user paingun sa student
                        header("Location:../pages/user.add.php");
                    }
                }

將輸入內容放在第一頁后，它將重定向到用戶必須在其中輸入帳戶信息的另一頁。這是所需的功能

Answer 1

最好的方法是將用戶信息存儲在student表中，然后使用mysqli_insert_id函數獲取studentId 。 然后將帳戶信息保存在user表中並獲取userId 。 此后，使用userId update student表，其中studentId與您之前抓取的表相同。

$sql = "INSERT INTO student (lname, fname, mname, gmail, grade, track, section, status)
VALUES ('$lname', '$fname', '$mname','$email', '$grade', '$strand', '$section', '$status')";
$result = mysqli_query($conn, $sql);
$_SESSION['studentId'] = mysqli_insert_id($conn); //add this line to store the studentId into the session.

$sql = "INSERT INTO student (userID) VALUES ('$last_id')"; // change this line to the one below.

$sql = "UPDATE student SET userID = '$last_id' WHERE studentID = $_SESSION['studentId']";