详细Laravel5.5执行表迁移命令出现表为空的解决方案

今天在使用一个第三方包 laravel-admin 时，出现了这样的错误：sqlSTATE[42000]: Syntax error or access violation: 1103 Incorrect table name '',折腾了好久，终于知道了解决方法，原来是配置文件的缓存没有清理。

一、问题

PHP artisan admin:install

错误提示：

In Connection.PHP line 664:

sqlSTATE[42000]: Syntax error or access violation: 1103 Incorrect table name '' (sql: create table `` (`id` int uns igned not null auto_increment primary key,`username` varchar(190) not null,`password` varchar(60) not null,`name ` varchar(255) not null,`avatar` varchar(255) null,`remember_token` varchar(100) null,`created_at` timestamp nul l,`updated_at` timestamp null) default character set utf8mb4 collate utf8mb4_unicode_ci)

In Connection.PHP line 452:

sqlSTATE[42000]: Syntax error or access violation: 1103 Incorrect table name ''

二、解决方案

database/migrations/2016_01_04_173148_create_admin_table.PHP

PHP;"> use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;

class CreateAdminTable extends Migration
{
/**

Run the migrations.
@return void
*/
public function up()
{
$connection = config('admin.database.connection') ?: config('database.default');

// dd(app('config'));
Schema::connection($connection)->create(config('admin.database.users_table'),function (Blueprint $table) {
  $table->increments('id');
  $table->string('username',190)->unique();
  $table->string('password',60);
  $table->string('name');
  $table->string('avatar')->nullable();
  $table->string('remember_token',100)->nullable();
  $table->timestamps();
});

Schema::connection($connection)->create(config('admin.database.roles_table'),function (Blueprint $table) {
  $table->increments('id');
  $table->string('name',50)->unique();
  $table->string('slug',50);
  $table->timestamps();
});

Schema::connection($connection)->create(config('admin.database.permissions_table'),50);
  $table->string('http_method')->nullable();
  $table->text('http_path')->nullable();
  $table->timestamps();
});

Schema::connection($connection)->create(config('admin.database.menu_table'),function (Blueprint $table) {
  $table->increments('id');
  $table->integer('parent_id')->default(0);
  $table->integer('order')->default(0);
  $table->string('title',50);
  $table->string('icon',50);
  $table->string('uri',50)->nullable();

  $table->timestamps();
});

Schema::connection($connection)->create(config('admin.database.role_users_table'),function (Blueprint $table) {
  $table->integer('role_id');
  $table->integer('user_id');
  $table->index(['role_id','user_id']);
  $table->timestamps();
});

Schema::connection($connection)->create(config('admin.database.role_permissions_table'),function (Blueprint $table) {
  $table->integer('role_id');
  $table->integer('permission_id');
  $table->index(['role_id','permission_id']);
  $table->timestamps();
});

Schema::connection($connection)->create(config('admin.database.user_permissions_table'),function (Blueprint $table) {
  $table->integer('user_id');
  $table->integer('permission_id');
  $table->index(['user_id','permission_id']);
  $table->timestamps();
});

Schema::connection($connection)->create(config('admin.database.role_menu_table'),function (Blueprint $table) {
  $table->integer('role_id');
  $table->integer('menu_id');
  $table->index(['role_id','menu_id']);
  $table->timestamps();
});

Schema::connection($connection)->create(config('admin.database.operation_log_table'),function (Blueprint $table) {
  $table->increments('id');
  $table->integer('user_id');
  $table->string('path');
  $table->string('method',10);
  $table->string('ip',15);
  $table->text('input');
  $table->index('user_id');
  $table->timestamps();
});

}

/**

Reverse the migrations.
@return void
*/
public function down()
{
$connection = config('admin.database.connection') ?: config('database.default');

Schema::connection($connection)->dropIfExists(config('admin.database.users_table'));
Schema::connection($connection)->dropIfExists(config('admin.database.roles_table'));
Schema::connection($connection)->dropIfExists(config('admin.database.permissions_table'));
Schema::connection($connection)->dropIfExists(config('admin.database.menu_table'));
Schema::connection($connection)->dropIfExists(config('admin.database.user_permissions_table'));
Schema::connection($connection)->dropIfExists(config('admin.database.role_users_table'));
Schema::connection($connection)->dropIfExists(config('admin.database.role_permissions_table'));
Schema::connection($connection)->dropIfExists(config('admin.database.role_menu_table'));
Schema::connection($connection)->dropIfExists(config('admin.database.operation_log_table'));

}
}

清除配置文件缓存

PHP artisan config:cache

再次执行发布命令，就可以了：

PHP artisan admin:install Migrating: 2016_01_04_173148_create_admin_table Migrated: 2016_01_04_173148_create_admin_table Admin directory was created: /app/Admin HomeController file was created: /app/Admin/Controllers/HomeController.PHP ExampleController file was created: /app/Admin/Controllers/ExampleController.PHP Bootstrap file was created: /app/Admin/bootstrap.PHP Routes file was created: /app/Admin/routes.PHP vagrant@homestead:~/Code/laravel-shop$

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持编程之家。

详细Laravel5.5执行表迁移命令出现表为空的解决方案

一、问题

二、解决方案

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