老是进入不了
completionHandler: ^(NSURLResponse *response, NSData *data, NSError *error){
if (error) {
NSLog(@"Httperror: %@%ld", error.localizedDescription, error.code);
} else {
NSInteger responseCode = [(NSHTTPURLResponse *)response statusCode];
NSString *responseString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSLog(@"HttpResponseCode:%ld", responseCode);
NSLog(@"HttpResponseBody %@",responseString);
}
}
这个函数内部