OC写的时间选择器，支持xib、storyboard
看得上的就点个赞，看不上的请无视

//初始化
_mpicker = [[MPickerView alloc] initWithFrame:CGRectMake(0, 64, self.view.bounds.size.width, 10)];
_mpicker.delegate = self;
[self.view addSubview:_mpicker];

//每一列文字颜色
_mpicker.colorArry = @[color,color,color,color,color];

//每一列的背景颜色
_mpicker.bkcolorArry = @[color1,color1,color1,color2,color2];

//是否标记周末
_mpicker.isBJZM = YES;

//设置默认时间
_mpicker.defaultDate = @"2015-1-1 14:20";