YII2修改默认访问控制器

config/web.php

$config = [
    "id" => "basic",
    "defaultRoute"=>"index", //默认访问的控制器
    "basePath" => dirname(__DIR__),
    "bootstrap" => ["log"],
    "components" => [
        "request" => [
            // !!! insert a secret key in the following (if it is empty) - this is required by cookie validation
            "cookieValidationKey" => "VAfHNQlWiKkw857IOAMyFqoW5XwLG2zW",
        ],
        "cache" => [
            "class" => "yiicachingFileCache",
        ],
        "user" => [
            "identityClass" => "appmodelsUser",
            "enableAutoLogin" => true,
        ],
        "errorHandler" => [
            "errorAction" => "site/error",
        ],
        "mailer" => [
            "class" => "yiiswiftmailerMailer",
            // send all mails to a file by default. You have to set
            // "useFileTransport" to false and configure a transport
            // for the mailer to send real emails.
            "useFileTransport" => true,
        ],
        "log" => [
            "traceLevel" => YII_DEBUG ? 3 : 0,
            "targets" => [
                [
                    "class" => "yiilogFileTarget",
                    "levels" => ["error", "warning"],
                ],
            ],
        ],
        "db" => require(__DIR__ . "/db.php"),
        /*
        "urlManager" => [
            "enablePrettyUrl" => true,
            "showScriptName" => false,
            "rules" => [
            ],
        ],
        */
    ],
    "params" => $params,
];