ios block 的三种解决循环引用的方式

#import "OPTextBlock.h"

@interface OPTextBlock()

@property (nonatomic, copy) void (^block)(void) ;

@property(nonatomic,copy)void(^textObjcblock)(OPTextBlock*textObjc) ;

@property (nonatomic, copy) NSString * name;

@end

@implementation OPTextBlock

-(void)textblock

{

    __weak __typeof(self)  weakself =self;

    self.block= ^{

        __strong__typeof(weakself) strongself = weakself;

        strongself.name=@"张三";

    };

    self.block();

}

-(void)textblock1

{

    __blockOPTextBlock*textObjc =self;

    self.block= ^{

        textObjc.name=@"张三";

        textObjc =nil;

    };

    self.block();

}

-(void)textblock2

{

    self.textObjcblock = ^(OPTextBlock *textObjc){

        textObjc.name=@"张三";

    };

    self.textObjcblock(self);

}