原生代码
- (void)viewDidLoad {
[super viewDidLoad];
[self sendRequest:^(NSString *str) {
NSLog(@"%@",str);
}];
}
- (void)sendRequest:(void (^)( NSString *))arg {
arg(@"abcd");
}
hook 代码
%hook ViewController
- (void)sendRequest:(void (^)( NSString *))arg {
void (^res)( NSString *) = arg;
res = ^(NSString *str){
NSLog(@"=====%@",str);
str = @"1111111";
arg(str);
};
%orig(res);
}
%end
日志打印
=====abcd
1111111
