id(); $table->unsignedBigInteger('agricultural_base_id')->comment('农业基地ID'); $table->string('sn')->comment('序列号'); $table->string('name')->nullable()->comment('名称'); $table->string('model')->nullable()->comment('型号'); $table->string('monitoring_point')->nullable()->comment('监控点'); $table->tinyInteger('type')->comment('类型: 1 监控设备, 2 土壤设备, 3 水质设备, 4 气象设备'); $table->tinyInteger('status')->default(2)->comment('状态: 0 禁用, 1 在线, 2 离线, 3 故障'); $table->json('extends')->nullable()->comment('扩展信息'); $table->unsignedBigInteger('created_by')->comment('创建人ID'); $table->unsignedBigInteger('updated_by')->comment('修改人ID'); $table->timestamps(); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::dropIfExists('devices'); } };