类别'；更新用户信息&x27；在\android\u login\u example\login.php中找不到

表示在\android\u login\u example\login.php中找不到类“update\u user\u info” 这里是Login.php

IDK发生了什么，但我也尝试删除update_user_info.php文件中函数前面的public！它不起作用！ 我正在为android应用程序创建登录页面和注册页面

谢谢 特蕾西

现在是update\u user\u info.php

<?php
     function StoreUserInfo($name, $email, $password, $gender, $age) {
        $hash = $this->hashFunction($password);
        $encrypted_password = $hash["encrypted"]; // encrypted password
        $salt = $hash["salt"]; // salt

        $stmt = $this->conn->prepare("INSERT INTO android_php_post(name, email,
encrypted_password, salt, gender, age) VALUES(?, ?, ?, ?, ?, ?)");
        $stmt->bind_param("ssssss", $name, $email, $encrypted_password, $salt, $gender, $age);
        $result = $stmt->execute();
        $stmt->close();

        // check for successful store
        if ($result) {
            $stmt = $this->conn->prepare("SELECT name, email, encrypted_password, salt, gender, age FROM android_php_post WHERE email = ?");
            $stmt->bind_param("s", $email);
            $stmt->execute();
            $stmt-> bind_result($token2,$token3,$token4,$token5,$token6,$token7);

            while ( $stmt-> fetch() ) {
               $user["name"] = $token2;
               $user["email"] = $token3;
               $user["gender"] = $token6;
               $user["age"] = $token7;
            }
            $stmt->close();
            return $user;
        } else {
          return false;
        }
    }

     function hashFunction($password) {

        $salt = sha1(rand());
        $salt = substr($salt, 0, 10);
        $encrypted = base64_encode(sha1($password . $salt, true) . $salt);
        $hash = array("salt" => $salt, "encrypted" => $encrypted);
        return $hash;
    }

 function VerifyUserAuthentication($email, $password) {

        $stmt = $this->conn->prepare("SELECT name, email, encrypted_password, salt, gender, age FROM android_php_post WHERE email = ?");

        $stmt->bind_param("s", $email);

        if ($stmt->execute()) {
            $stmt-> bind_result($token2,$token3,$token4,$token5,$token6,$token7);

            while ( $stmt-> fetch() ) {
               $user["name"] = $token2;
               $user["email"] = $token3;
               $user["encrypted_password"] = $token4;
               $user["salt"] = $token5;
               $user["gender"] = $token6;
               $user["age"] = $token7;
            }

            $stmt->close();

            // verifying user password
            $salt = $token5;
            $encrypted_password = $token4;
            $hash = $this->CheckHashFunction($salt, $password);
            // check for password equality
            if ($encrypted_password == $hash) {
                // user authentication details are correct
                return $user;
            }
        } else {
            return NULL;
        }
    }

 function checkHashFunction($salt, $password) {
        $hash = base64_encode(sha1($password . $salt, true) . $salt);
        return $hash;
    }

 function CheckExistingUser($email) {
        $stmt = $this->conn->prepare("SELECT email from android_php_post WHERE email = ?");

        $stmt->bind_param("s", $email);

        $stmt->execute();

        $stmt->store_result();

        if ($stmt->num_rows > 0) {
            // user existed 
            $stmt->close();
            return true;
        } else {
            // user not existed
            $stmt->close();
            return false;
        }
    }

    ?>

---

尝试将更新\u user.info.php中的代码包装成

    class update_user_info{
...
}

---

那里没有类，只有一些函数…

我不知道为什么，但您尝试创建一个不存在的类的实例

update\u user\u info

。这是我所说的代码片段

$db = new update_user_info();

您包括一个带有结构化代码的文件，而不是目标文件。只需调用函数

func（）

，或将代码重写为面向对象

而是使用当前代码

$user = $db->VerifyUserAuthentication($email, $password);

你应该打个电话

$user = VerifyUserAuthentication($email, $password);

$user = VerifyUserAuthentication($email, $password);

---

实际上，您还没有在

update\u user\u info.php

中声明一个类，只有一些函数

类声明如下：

class MyClass
{

    // Here is a method:
    public function anExampleFunction()
    {
        //...
    }

}

---

你可以试着把

class update\u user\u info{

放在文件的开头，把

}

放在文件的结尾，看看这是否对你有效；同时将

public

放在每个成员函数定义的前面。

如果要将update\u user\u info.php作为类使用，则需要将其封装在类中

<?php
class update_user_info {
    function StoreUserInfo($name, $email, $password, $gender, $age) {
        $hash = $this->hashFunction($password);
        $encrypted_password = $hash["encrypted"]; // encrypted password
        $salt = $hash["salt"]; // salt

        $stmt = $this->conn->prepare("INSERT INTO android_php_post(name, email,
                                        encrypted_password, salt, gender, age) VALUES(?, ?, ?, ?, ?, ?)");
        $stmt->bind_param("ssssss", $name, $email, $encrypted_password, $salt, $gender, $age);
        $result = $stmt->execute();
        $stmt->close();

        // check for successful store
        if ($result) {
            $stmt = $this->conn->prepare("SELECT name, email, encrypted_password, salt, gender, age FROM android_php_post WHERE email = ?");
            $stmt->bind_param("s", $email);
            $stmt->execute();
            $stmt-> bind_result($token2,$token3,$token4,$token5,$token6,$token7);

            while ( $stmt-> fetch() ) {
                $user["name"] = $token2;
                $user["email"] = $token3;
                $user["gender"] = $token6;
                $user["age"] = $token7;
            }
            $stmt->close();
            return $user;
        } else {
            return false;
        }
    }

    function hashFunction($password) {

        $salt = sha1(rand());
        $salt = substr($salt, 0, 10);
        $encrypted = base64_encode(sha1($password . $salt, true) . $salt);
        $hash = array("salt" => $salt, "encrypted" => $encrypted);
        return $hash;
    }

    function VerifyUserAuthentication($email, $password) {

        $stmt = $this->conn->prepare("SELECT name, email, encrypted_password, salt, gender, age FROM android_php_post WHERE email = ?");

        $stmt->bind_param("s", $email);

        if ($stmt->execute()) {
            $stmt-> bind_result($token2,$token3,$token4,$token5,$token6,$token7);

            while ( $stmt-> fetch() ) {
                $user["name"] = $token2;
                $user["email"] = $token3;
                $user["encrypted_password"] = $token4;
                $user["salt"] = $token5;
                $user["gender"] = $token6;
                $user["age"] = $token7;
            }

            $stmt->close();

            // verifying user password
            $salt = $token5;
            $encrypted_password = $token4;
            $hash = $this->CheckHashFunction($salt, $password);
            // check for password equality
            if ($encrypted_password == $hash) {
                // user authentication details are correct
                return $user;
            }
        } else {
            return NULL;
        }
    }

    function checkHashFunction($salt, $password) {
        $hash = base64_encode(sha1($password . $salt, true) . $salt);
        return $hash;
    }

    function CheckExistingUser($email) {
        $stmt = $this->conn->prepare("SELECT email from android_php_post WHERE email = ?");

        $stmt->bind_param("s", $email);

        $stmt->execute();

        $stmt->store_result();

        if ($stmt->num_rows > 0) {
            // user existed 
            $stmt->close();
            return true;
        } else {
            // user not existed
            $stmt->close();
            return false;
        }
    }
}

到

$user = $db->VerifyUserAuthentication($email, $password);

$user = VerifyUserAuthentication($email, $password);