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我name="_remember_me"用来设置cookie。Symfony 的文档说：

通过为复选框指定名称 _remember_me（或您使用 remember_me_parameter 配置的名称），当复选框被选中并且用户成功登录时，cookie 将自动设置。 https://symfony.com/doc/current/security/remember_me .html

如果我启用该复选框，PHP 会告诉我["_remember_me"]=> bool(true)但 cookie 仍未设置。我已经在 Chrome -> 应用程序 -> Cookies 中检查了它，但没有 cookie。我正在使用本地主机。

在此处输入图像描述

我也检查过$request->cookies->all()，但它返回一个空数组。

我的 cookie 无法设置的具体原因是什么？

更新

我的security.yaml文件如下所示：

security:
    # https://symfony.com/doc/current/security.html#where-do-users-come-from-user-providers
    providers:
        in_memory: { memory: null }
    firewalls:
        dev:
            pattern: ^/(_(profiler|wdt)|css|images|js)/
            security: false
        main:
            anonymous: true
            form_login:
                remember_me: true
            remember_me:
                secret:   '%kernel.secret%'
                lifetime: 604800 # 1 week in seconds
                path:     /
                # by default, the feature is enabled by checking a
                # checkbox in the login form (see below), uncomment the
                # following line to always enable it.
                always_remember_me: true

            # activate different ways to authenticate
            # https://symfony.com/doc/current/security.html#firewalls-authentication

            # https://symfony.com/doc/current/security/impersonating_user.html
            # switch_user: true

    # Easy way to control access for large sections of your site
    # Note: Only the *first* access control that matches will be used
    access_control:
        # - { path: ^/admin, roles: ROLE_ADMIN }
        # - { path: ^/profile, roles: ROLE_USER }

作曲家.json

{
    "type": "project",
    "license": "proprietary",
    "require": {
        "php": "^7.1.3",
        "ext-ctype": "*",
        "ext-iconv": "*",
        "ext-json": "*",
        "sensio/framework-extra-bundle": "^5.4",
        "symfony/asset": "4.3.*",
        "symfony/console": "4.3.*",
        "symfony/dotenv": "4.3.*",
        "symfony/flex": "^1.3.1",
        "symfony/framework-bundle": "4.3.*",
        "symfony/maker-bundle": "^1.13",
        "symfony/orm-pack": "^1.0",
        "symfony/swiftmailer-bundle": "^3.2",
        "symfony/twig-bundle": "4.3.*",
        "symfony/yaml": "4.3.*"
    },
    "require-dev": {
    },
    "config": {
        "preferred-install": {
            "*": "dist"
        },
        "sort-packages": true
    },
    "autoload": {
        "psr-4": {
            "App\\": "src/"
        }
    },
    "autoload-dev": {
        "psr-4": {
            "App\\Tests\\": "tests/"
        }
    },
    "replace": {
        "paragonie/random_compat": "2.*",
        "symfony/polyfill-ctype": "*",
        "symfony/polyfill-iconv": "*",
        "symfony/polyfill-php71": "*",
        "symfony/polyfill-php70": "*",
        "symfony/polyfill-php56": "*"
    },
    "scripts": {
        "auto-scripts": {
            "cache:clear": "symfony-cmd",
            "assets:install %PUBLIC_DIR%": "symfony-cmd"
        },
        "post-install-cmd": [
            "@auto-scripts"
        ],
        "post-update-cmd": [
            "@auto-scripts"
        ]
    },
    "conflict": {
        "symfony/symfony": "*"
    },
    "extra": {
        "symfony": {
            "allow-contrib": false,
            "require": "4.3.*"
        }
    }
}
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