ios 多個參數的block

多個參數的blockfirstPageViewController.m1. 在第一個頁面初始化頁面時申明block函數 _pickerViewController = [[TFPickerViewController alloc]init]; [_pickerViewController loadTFBlock:^(NSString *parameter1, NSString *parameter2) {          CHDebugLog(@"block Test success data:%@---%@",parameter1,parameter2);  }];#pragma mark -- Clicked- (void)commitClick{    [self.navigationController pushViewController:_pickerViewController animated:YES];}2. 在第二個頁面對於block定義，設定回調條件。當選擇完畢picker view完畢後，擷取到picker view資料後，回傳到第一個頁面去。TFPickerViewController.htypedef void (^testTFBlockParameter)(NSString *parameter1 , NSString *parameter2);@interface TFPickerViewController : baseViewController@property(nonatomic, weak)testTFBlockParameter blockParameter;- (void)loadTFBlock:(testTFBlockParameter)block;@end TFPickerViewController.m- (void)onSelectDataStr:(NSString*)selectStr{    CHDebugLog(@"----%@",selectStr);        if (self.blockParameter != nil)    {        self.blockParameter(selectStr,@"test Success");    }}#pragma mark -- test more parameter Block- (void)loadTFBlock:(testTFBlockParameter)block{    self.blockParameter = block;}