/**
     * 修改密码
     */
    public function updatePassword(Request $request) {
        $request->validate([
            'old_password' => 'required|min:6|max:16',
            'password' => 'required|min:6|max:16|confirmed',
        ], [
            'old_password.required' => '旧密码不能为空',
            'old_password.min' => '旧密码最少6个字符',
            'old_password.max' => '旧密码最多16个字符',
        ]);

        // 旧密码
        $old_password = $request->input('old_password');
        // 用户实例
        $user = auth('api')->user();
        // 验证旧密码是否正确
        if (!password_verify($old_password, $user->password)) {
            return $this->response->errorBadRequest('旧密码不正确');
        } 
        // 更新用户密码  
        $user->password = bcrypt($request->input('password'));
        $user->save();

        return $this->response->noContent();
    }

 // 修改密码
            $api->post('password/update', [PasswordController::class, 'updatePassword']);

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\BaseController;
use App\Mail\SendEmailCode;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Mail;

class BindController extends BaseController
{
    /**
     * 获取邮件的验证码
     */
    public function emailCode(Request $request) {
        $request->validate([
            'email' => 'required|email'
        ]);

        // 发送验证码到邮件
        Mail::to($request->input('email'))->queue(new SendEmailCode($request->input('email')));
        return $this->response->noContent();
    }

    /**
     * 更新邮箱
     */
    public function updateEmail(Request $request) {
        $request->validate([
            'email' => 'required|email',
            'code' => 'required'
        ], [
            'code.required' => "验证码不能为空",
        ]);

        // 验证code是否正确
        if (cache($request->input('email')) != $request->input('code')) {
            return $this->response->errorBadRequest('验证码或邮箱错误！');
        }

        // 更新邮箱
        $user = auth('api')->user(); 
        $user->email = $request->input('email');
        $user->save();
        return $this->response->noContent();
    } 
}

  // 发送邮件验证码
            $api->post('email/code', [BindController::class, 'emailCode']);

            // 更新邮箱
            $api->post('email/update', [BindController::class, 'updateEmail']);

<?php

namespace App\Mail;

use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Cache;

class SendEmailCode extends Mailable
{
    use Queueable, SerializesModels;

    protected $email;
    /**
     * Create a new message instance.
     *
     * @return void
     */
    public function __construct($eamil)
    {
        $this->email = $eamil;
    }

    /**
     * Build the message.
     *
     * @return $this
     */
    public function build()
    {
        // 生成code
        $code = rand(1000, 9999);

        // 获取邮箱

        // 使用缓存邮箱对应的code
        Cache::put($this->email, $code, now()->addMinute(5)); // 5分钟过期

        return $this->view('emails.send-email-code', ['code' => $code]);
    }
}