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CCTMXTiledMap *map = [CCTMXTiledMap tiledMapWithTMXFile:@"mapTmx.tmx"];
CCTMXLayer *layer = [map layerNamed:@"Layer 0"];
[layer setTileGID:10 at:ccp(0, 0)];
如何将“CCTMXTiledMap * map”保存到“mapTmx.tmx”文件?如何使用CCTMX保存tmx文件TiledMap