//获取截图bytes
public byte[] PhotoGraphBytes()
{
byte[] result = CameraPhotoGraph.SaveRenderTextureToPNGBytes();
return(result);
}
//拍照截图
public string PhotoGraph(string fileName)
{
string subPath = CameraPhotoGraph.SaveRenderTextureToPNG(fileName);
return(ResUtil.GetSandBoxPath(subPath));
}