                                          ng-click="cracker.focusRedlightRepair=true"
                                                        ng-class="{'btn-success':cracker.focusRedlightRepair}">开启
                                                </button>
                                                <button ng-disabled="expression" type="button" class="btn btn-md btn-default"
                                                        ng-click="cracker.focusRedlightRepair=false"
                       