ios自定义折线图带动画效果

用法： //***************用法************* NSMutableArray *dataTitleArray=[[NSMutableArray alloc] initWithObjects:@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9", nil]; NSMutableArray *dataArray=[[NSMutableArray alloc] initWithObjects:@"86",@"2",@"45",@"92",@"65",@"15",@"37",@"51",@"9