Symfony 3.4：服务“nelmio_api_doc.formatter.html_formatter”依赖于不存在的服务“模板”

Question

这是 Symfony 3.4 项目中 composer.json 文件的 require 部分

 "require": {
            "php": ">=5.5.9",
            "doctrine/doctrine-bundle": "^1.6",
            "doctrine/orm": "^2.5",
            "friendsofsymfony/rest-bundle": "^2.3",
            "incenteev/composer-parameter-handler": "^2.0",
            "jms/serializer-bundle": "^2.3",
            "nelmio/api-doc-bundle": "^2.12",
            "sensio/distribution-bundle": "^5.0.19",
            "sensio/framework-extra-bundle": "^5.0.0",
            "symfony/monolog-bundle": "^3.1.0",
            "symfony/polyfill-apcu": "^1.0",
            "symfony/swiftmailer-bundle": "^2.6.4",
            "symfony/symfony": "3.4.*",
            "symfony/templating": "^4.0",
            "twig/twig": "^1.0||^2.0"

Answer 1

为了解决这个问题，使用composer安装模板组件：

composer require symfony/templating

然后，在config.yml的framework键下添加如下配置：

templating:
    engines: ['twig']