GCDAsyncsocket 使用異步串行子線程中for循環執行一半就不執行了，代碼如下，過程是點擊發送按鈕返回到主頁面，然后異步執行下面的代碼上傳圖片；?? dispatch_queue_t queue = dispatch_queue_create("uploadImage", DISPATCH_QUEUE_SERIAL);?????????? for (int i =0; i < 10; i++) {?????????????? dispatch_async(queue, ^{???????????????? ????????????? NSLog(@"async ------------ %@", [NSThread currentThread]);?????????? ???????????? //第一張圖的資源??????????? PHAsset *asset = self.sendImageArray[i];??????????? NSString *fileType;??????????? NSString *fileName;???????? ???????????? if (asset.mediaType == PHAssetMediaTypeImage) {??????????????? fileType = @"jpg";??????????????? NSData *data = [NSData dataWithContentsOfFile:filePath[i]];??????????????? [self upLoadImageData:data type:@"jpg" name:fileName];??????????? } else if(asset.mediaType == PHAssetMediaTypeVideo) {??????????????? fileType = @"mp4";????????????????? NSData *data = [NSData dataWithContentsOfFile:filePath[i]];??????????????? [self uploadMp4Data:data type:fileType name:fileName];?????????????? ???????????? } ?????????? ?????????? });????? }? ? ? ??