App框架 RAC+MVVM+Objection（路由）
1.项目初始化配置
+(void)load{
[JSObjection setDefaultInjector:[JSObjection createInjector:[[AppModule alloc]init]]];
}
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
self.services = [self yh_getObjection:@protocol(YHViewModelServicesProtocol)];
self.navigationControllerStack = [[YHNavigationControllerStack alloc] initWithServices:self.services];
[self.services resetRootTo:Router_Weather];
self.window.backgroundColor = [UIColor whiteColor];
[self.window makeKeyAndVisible];
return YES;
}2.路由配置
（1）注入类
- (void)configure
{
[self bindBlock:^id(JSObjectionInjector *context) {
return [[YHViewModelServicesImpl alloc] init];
} toProtocol:@protocol(YHViewModelServicesProtocol) inScope:JSObjectionScopeSingleton];
[self bindProvider:[[YHViewModelProvider alloc] initWithClass:YHWeatherViewModel.self] toClass:[YHWeatherViewModel class] inScope:JSObjectionScopeNormal];
[self bindClass:[YHWeatherViewController class] toClass:[YHWeatherViewModel class] named:Router_Weather];
[self bindProvider:[[YHViewModelProvider alloc] initWithClass:YHWeatherDetailViewModel.self] toClass:[YHWeatherDetailViewModel class]];
[self bindClass:[YHWeatherDetailViewController class] toClass:[YHWeatherDetailViewModel class] named:Router_WeatherDetail];
}（2）viewModel初始化及传值，需要遵守JSObjectionProvider协议
- (id)provide:(JSObjectionInjector *)context arguments:(NSArray *)arguments
{
SEL selector = NSSelectorFromString(@"initWithServices:params:");
if ([_classObject instancesRespondToSelector:selector]) {
id service = [context getObject:@protocol(YHViewModelServicesProtocol)];
return ((id (*)(id,SEL,id,id))objc_msgSend)([_classObject alloc],selector,service,arguments.firstObject);
}
return nil;
}（3）vc初始化，取出之前注入的viewModel把它赋值到vc中，方便监听拿值
- (YHBaseViewController *)viewControllerForViewModel:(NSString *)route params:(NSDictionary *)params{
if (!params) {
params = @{};
}
YHBaseViewModel *baseViewModel = [self yh_getObjection:[NSClassFromString(route) class] argumentList:@[params]];
//从路由中取出VC
YHBaseViewController *viewController = (YHBaseViewController *)[self yh_getObjection:[baseViewModel class] name:route];
SEL selector = NSSelectorFromString(@"initWithViewModel:");
if ([[viewController class] instancesRespondToSelector:selector]) {
Class VC = [viewController class];
NSParameterAssert([VC isSubclassOfClass:[YHBaseViewController class]]);
NSParameterAssert([VC instancesRespondToSelector:@selector(initWithViewModel:)]);
viewController = ((id (*)(id,SEL,id))objc_msgSend)([VC alloc],selector,baseViewModel);
return viewController;
}
return nil;
}3.路由跳转
typedef void (^VoidBlock)(void);
@protocol YHNavigationProtocol <NSObject>
/**
* push 到新的页面VC
*
* @param route
* @param params
* @param animated
*/
- (void)pushViewTo:(NSString *)route params:(NSDictionary *)params animated:(BOOL)animated;
/**
* 返回到上层VC
*
* @param animated
*/
- (void)popViewTo:(BOOL)animated;
/**
* 返回到根控制器VC
*
* @param animated
*/
- (void)popToRootViewTo:(BOOL)animated;
/**
* 展示从下到上pop一个视图（模态）VC
*
* @param route
* @param params
* @param animated
* @param completion
*/
- (void)presentViewTo:(NSString *)route params:(NSDictionary *)params animated:(BOOL)animated completion:(VoidBlock)completion;
/**
* 关闭一个模态视图VC
*
* @param animated
* @param completion
*/
- (void)dismissViewTo:(BOOL)animated completion:(VoidBlock)completion;
/**
* keywindow的根控制器VC
*
* @param route
* @param animated
*/
- (void)resetRootTo:(NSString *)route;跳转实例：
- (RACCommand *)didSelectCommand
{
@weakify(self);
return [[RACCommand alloc] initWithSignalBlock:^RACSignal *(NSIndexPath *indexPatht) {
@strongify(self);
[self.services pushViewTo:Router_WeatherDetail params:@{@"detailModel":self.dataSource[indexPatht.section][indexPatht.row]} animated:YES];
return [RACSignal empty];
}];
}4.网络层
+ (RACSignal *)excuteWithParams:(id)params formModelClass:(Class)modelClass
{
YHBasicServices *basicServices = [[YHBasicServices alloc] init];
return [[RACSignal createSignal:^RACDisposable *(id<RACSubscriber> subscriber) {
[[YHWorkingManager shareManager] sendGETDataWithPath:@"http://www.baidu.com" withParamters:params success:^(NSURLSessionDataTask *task, id responseObject) {
[MBProgressHUD hideHUD];
NSError *error;
basicServices.model = [[modelClass alloc] initWithDictionary:responseObject error:&error];
[subscriber sendNext:basicServices.model];
[subscriber sendCompleted];
} failure:^(NSURLSessionDataTask *task, NSError *error) {
[subscriber sendError:error];
}];
return [RACDisposable disposableWithBlock:^{
}];
}] setNameWithFormat:@"API - Signal - %@",NSStringFromClass(modelClass)] ;
}