laravel 模型迁移文件常规字段设计
# 迁移文件代码
Schema::create('表名', function (Blueprint $table) {
// 主键
$table->bigIncrements('id');
$table->unsignedInteger('pid')->default(0)->comment('上级ID');
$table->string('field_name',50)->default('')->comment('字段名');
$table->string('name',50)->default('')->comment('属性名称');
$table->string('icon',200)->default('')->comment('图标');
$table->timestamps();
// 软删除
$table->softDeletes();
});